The International Association for Automation and Robotics in Construction
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Abstract: In hazardous and uncertain sites, teleoperation is often utilized to execute scheduled procedures from a safe location. A visualization interface, which provides the remote operator with visual information to enhance spatial awareness, is essential to understand site information and receive feedback from the robot. To be effective, the interface must ...
Abstract: Thermal Point Clouds (TPCs) can provide valuable information during the inspection and assessment of the performance of buildings and for energy auditing; however, it faces two issues regarding data: scanning time and redundancy optimization. The use of continuous and discrete scanning paths can decrease collection times, and the automation of ...
Abstract: Construction automation is vital for increasing efficiency, reducing costs, and enhancing safety in the industry. In this paper, we present our latest advancements in autonomous excavator systems (AES) specifically designed for earth moving operations in construction sites. Our proposed architecture integrates perception, planning, and control by merging multi-modal perception sensors ...
Abstract: Modular construction methods have recently gained interest due to the advantages offered in terms of safety, quality, and productivity for projects. In this method, a significant portion of the construction is performed off-site in factories where modular components are built in different workstations, assembled on the production line, and shipped ...
Abstract: Automated construction quality control and as-built verification often involve comparing 3D point clouds captured on-site with as-designed Building Information Models (ad-BIM) at the individual element level. However, signal noise and occlusions, common in data captured from cluttered job sites, can negatively affect the performance of these methods that overlook the ...
Abstract: Efficient performance tracking and monitoring systems can facilitate timely decision-making by management. However, cycle time, which is commonly employed as a monitoring system in segmental production sites, can be time-consuming and only allows for the identification of inefficiencies, rather than supporting decision-making. In this context, operational management concepts with broad ...
Abstract: Reuse of building systems and components has the potential of taking full advantage of the residual utility of building materials. In this matter, disassembly planning plays a critical role for retrieving reusable components in an optimized way. Unfortunately, the implementation of disassembly planning for buildings, at a component level, is ...
Abstract: In order to lower the huge carbon dioxide emissions due to building heating, the goal of this communication is to show how the design of insulation panel layout can be strongly computer-aided during façade building energy renovation projects. The work has been achieved during an applied collaborative research project (ISOBIM), whose ...
Abstract: One main challenge in the full automation of building code compliance checking is in the extraction and transformation of building code requirements into computable representations. Semantic rule-based approach has been taken mainly due to its expected better performance than machine learning-based approach on this particular task. With the recent advancement ...
Abstract: Additive Manufacturing (AM) provides many advantages when applied to the field of construction. However, due to the large scale of construction projects, time requirements for the printing process are also large, making AM processes susceptible to the influence of external variables. Accordingly, it is advisable to employ methods that can ...
Abstract: In response to its stagnating productivity and growing demand for sustainability, the architecture, engineering, and construction (AEC) industry is increasingly pushing ahead regarding digitization and automation. Building Information Modeling (BIM) and Additive Manufacturing (AM) are two technologies that contribute significantly to this development. Although these technologies have similar basic principles ...
Abstract: Visual Simultaneous Localization and Mapping (V-SLAM) is commonly employed as a method in construction robots due to its efficient and cost-effective nature for information acquisition. However, detection and positioning using V-SLAM face significant challenges in low-light construction scenes, such as underground garages or dim indoor locations, where detecting enough valid ...
Abstract: Autonomous excavation systems are currently being developed to help address issues of poor productivity, by automating the excavation process and reducing manpower onsite. However, the impact of automation on the productivity of the excavation process remains to be determined. This paper uses a simulation approach to study this question. A ...
Abstract: This paper presents the development of a prototypical digital twin package for multi-rotor aerial vehicle(MAV) systems, with potential application for monitoring a construction site. The focus is how to create a virtual representation of an actual surveillance system that can be updated from real-time data to effectively help with its ...
Abstract: Construction workers have an increased risk of having muscle fatigue and musculoskeletal injuries, among other non-fatal workplace injuries. As a result, this project aimed to develop and evaluate a low-cost passive wearable exoskeleton system for improving construction workers' safety and health performance, mainly by mitigating the risk of developing musculoskeletal ...
Abstract: The purpose of this manuscript is to outline a scientific task aimed at improving the technological and organizational methods for pressing piles into the ground. The study proposes the development of conceptual piling equipment and construction methods for various structural and technological solutions for pile fields, especially under complicated conditions. ...
Abstract: Recently, global positioning systems - GLONASS and GPS are increasingly used for road construction machines. Often, mobile stations installed on the construction site are used, which increase positioning accuracy, but have a limited range. Providing a signal source to every running machine is very costly. Taking into account the often ...
Abstract: We are currently experiencing a shortage of skilled labor in the construction industry, thus it is imperative to improve productivity at construction sites. One of the most effective ways to address this issue is through the implementation of autonomy. Machine control systems have been utilized for heavy equipment for over a ...
Abstract: To rationalize and automate public civil engineering works, it is crucial to directly utilize the information produced by the contractor for quality/ as-built inspection, and progress measurement. In this study, a highly reliable common data environment that utilizes blockchain and smart contracts to ensure tamper resistance and traceability of construction ...
Abstract: Real-time sensing data and continuously updated project documents pose challenges to project managers who need to analyze these data and documents to derive meaningful information necessary for decision-making. To collect and incorporate heterogeneous data both from offsite and onsite sources, the authors: (1) developed a construction tasks, resources, and techniques ...
Abstract: Scheduling is an essential part of project management, and many processes like procurement, fabrication, and resource mobilization are based on these schedules. If the actual targets lag from the pre-planned schedules, waste is generated in the form of idle inventory. It also results in an increased workload on man and ...
Abstract: In construction, project schedules are still created and updated manually, which takes time, causes errors, and leads to poor planning and scheduling, one of the main reasons for project delays today. Consequently, overcoming these challenges requires an automated schedule management method that extracts information and knowledge from existing and previous ...
Abstract: Site layout planning (SLP) constraints are handled heuristically or through a mathematical approach, as presented in the SLP literature. The real-life constraints of SLP are modelled as mathematical equations and are attempted to be handled through optimisation models. It is observed that the existing mathematical SLP models handle a limited ...
Abstract: Construction 4.0 and Digital Twin are the emerging concepts of the digital era in the Construction Sector. The crux of these digital technologies lies in capturing the rich "real physical" data to model the "virtual" structure to enable the experiments for specific decision-making. Although protocols for the hazardous operations had ...
Abstract: In developing countries infrastructure investment is increased in last few decades. Public private partnership plays important role in low- and middle-income countries for providing finance. 95% of India international trade is transport through port sector. Hence it is big infrastructural project for India to connect with other countries. Public private ...
Abstract: Advanced intelligent robotics technologies like autonomous and collaborative robots in construction sites have been explored in the literature for more than a decade. However, there are only a few prototypes that successfully make it to the field due to various reasons. There is burgeoning interest in the design, development and ...
Abstract: Construction formwork activities are physically demanding and repetitive, increasing the risk of work-related musculoskeletal disorders. This study proposed a digital twin approach to evaluate the ergonomic risks associated with vertical formwork operations using steel formwork systems in Indian construction projects. The on-site observation captured the workers' postures, allowing for more ...
Abstract: Labor shortage has consistently been a challenge in the construction industry for decades. As a data-heavy industry, information access and technological innovations are critical for pique performance. Currently, the industry is witnessing a global trend of workforce diversity, as industry leaders are emphasizing its importance. Research shows that gender and ...
Abstract: Design Hub India and Jade University of Applied Sciences conducted a simulation game in Bangalore, India to teach the networked and digital planning methodology Building Information Modelling (BIM). The teaching format was developed in Germany and has already been implemented and field-tested in teaching. At this event, the format was ...
Abstract: Digital workflows in the Architecture, Engineering and Construction (AEC) industry have been working with a wide range of software solutions trying to enable a Design-to-Production (DtP) end-to-end data flow. Thereby, state-of-the-art software solutions attempt to streamline the design and production processes accordingly. However, most digital workflows lack in terms of adequate ...
Abstract: Bridges are essential components of civil infrastructures that enable joining highways and cities, as well as facilitating movement between different geographical locations. Deterioration of bridges can pose a threat to public safety and hinder economic activities. The development of innovative and reliable asset management tools to support the optimization of ...
Abstract: The integration of BIM (Building Information Modeling) and GIS (Geographic Information System) is promising to develop Asset Management Systems (AMS) for complex systems such as university assets. The potential lies in the ability to connect and contextualize data from several domains and at different scales, considering the relationship between buildings ...
Abstract: In construction management, a spatial conflict between two activities is generally identified as the intersection between related workspaces. Such assumption works well for detecting the majority of conflicts. Nevertheless, in certain dynamic scenarios, a spatial interference between two activities may occur even if the related workspaces do not intersect each ...
Abstract: An omnidirectional (i.e., 360°) camera is an efficient device that can capture the status of a room with a single shot. To detect objects in a spherical image captured by a 360° camera, the image should be flattened and divided into patches reflecting normal fields of view (NFoV). However, detecting ...
Abstract: In domain-specific named entity recognition (NER), the out-of-vocabulary (OOV) problem arises due to linguistic features and rare vocabulary. OOV problem is particularly challenging in agglutinative languages such as Korean. The irregular decomposition of morphemes makes it difficult to represent all of them in language model dictionaries, resulting in poor NER ...
Abstract: In construction environments, modifications to the dimensions, positioning, and trajectory of plumbing infrastructure within edifices are frequently necessitated by on-site conditions and pragmatic installation procedures. Recent advancements in Scan-to-BIM technology have streamlined pipe construction processes by monitoring development through a 3D model. However, existing 3D point cloud processing methods rely ...
Abstract: Mining is rapidly digitalizing and big data surrounds mines in their everyday activities and processes. Building Information Modelling (BIM) has long since taken an indispensable role in the design and management of buildings and infrastructures and is currently widely used as a standard for information management. Based on the results ...
Abstract: The current trends exhibit that the construction industry is focusing on implementing the Building Information Model (BIM) to improve visual analyses, cost estimation, and information exchange. Though standards, requirements, and development control rules (DCR) govern the construction project lifecycle, only a few applications have been developed to investigate BIM's capability ...
Abstract: The automation of steel construction requires new possibilities to link process data, measured deviations and tolerances. Our current research in robotic steel fabrication aims to address this challenge by developing an adaptive information model interface that can seamlessly integrate the cross-process considerations necessary for precise and efficient fabrication. The objective ...
Abstract: Digital twins, the virtual counterparts of objects throughout their life cycle, are a crucial component of ongoing digitization. While the civil engineering community has already recognized the advantages of utilizing digital twinning, there is still a lack of comprehensive research in the field, resulting in uncertainties. This article proposes a ...
Abstract: Management of environmental hazards in underground mining and construction sites has always been a challenging task for project managers and site engineers. Poor ventilation, the production of hazardous gases, dust, and considerable heat and humidity are some of the inherent characteristics of these ecosystems. Most conventional underground risk management methods ...
Abstract: Following the example set by Industry 4.0, digitization is being proven as a vital tool in equipment-intensive construction processes. Telematics data from equipment is sent to platforms. The profitable use of this data is part of today's research regarding digital twins. This paper shows the conformity to Industry 4.0 terminology ...
Abstract: While 3D Light Detection and Ranging (LiDAR) sensor technology is becoming more advanced and cheaper every day, the growth of digitalization in the Architecture, Engineering and Construction (AEC) industry contributes to the fact that 3D building information models (BIM models) are now available for a large part of the built ...
Abstract: Monitoring the progress of construction operations on site is crucial to keep an up-to-date schedule. In the past, manual methods were used for that purpose, which lead to errors and delays in generating up-to-date schedules. Current practices and research lines have been studying different methodologies to reach a fully automated ...
Abstract: In the digitalized era of Construction 4.0, ensuring the confidentiality, availability, and integrity of digital assets through cybersecurity is crucial for the construction industry. Although more than 75% of respondents from a Forrester survey who are in the construction, engineering, and infrastructure industries reported to have experienced a cyber-incident in ...
Abstract: The U.S. Army Corps of Engineers (USACE) Savannah District recently invested in the adoption of a process of transferring 3D Light Detection and Ranging (LiDAR) scan data into a Building Information Model (BIM), a process commonly known as Scan to BIM. This research explores the challenges and benefits of adopting ...
Abstract: The construction industry is going through a digital transformation where automation and robotics are slowly making their way into construction projects. This change brings numerous benefits, such as cost and time efficiency and higher accuracy and quality. At the same time, it raises cybersecurity concerns. Since most construction environments are ...
Abstract: Robustness to overexposure conditions poses a significant challenge in the visual simultaneous localization and mapping (V-SLAM) of construction robots. Limitations in sensor exposure lead to the loss of information, making it difficult to track enough feature points for construction robots under overexposure conditions, owing to the assumption of constant brightness ...
Abstract: The implementation of Building Information Modelling (BIM) is a widely adopted pattern of revolution in the construction sector and the results gained through BIM adoption in multidisciplinary projects are well pronounced. Even though BIM is a widely accepted technique, its adoption in Kerala, especially for Kerala government projects is rare. Kochi ...
Abstract: The construction industry is one of the most information-intensive industries where the success of projects depends on information being accurate, complete, timely, readily available, and understandable by different recipients. As projects become complex and processes become more digitized, the value of capturing, tracking, accessing, and sharing lifecycle-spanning data becomes critical ...
Abstract: The aim of the research is to discover the interrelation between Construction 4.0 technologies and Sustainable development Goals (SDG) in a complex project. The construction of the National Athletic Stadium in Hungary of the 25.000m2 steel and cable membrane roofing structure demanded special innovations due to its uniqueness and its ...
Abstract: Building Information Modeling (BIM) has demonstrated a wide range of merits over traditional and modern constructions. The integration of generative design (GD) with BIM in the construction industry has become an interesting topic, even though the concept is not very new. Prefabricated construction (PC) offers several advantages over traditional construction ...
Abstract: Recent developments in Artificial Intelligence (AI) provide unprecedented automation opportunities in the Architecture, Engineering, and Construction (AEC) industry. However, despite the enthusiasm regarding the use of AI, 85% of current big data projects fail. One of the main reasons for AI project failures in the AEC industry is the disconnect ...
Abstract: Buildings are one of the major energy consumers and the biggest producers of greenhouse gases, accounting for close to half of all energy emissions in construction industry. Construction stakeholders have been increasingly focusing on the broad idea of sustainable building design and construction technologies. The goal of sustainable design extends ...
Abstract: The use of robotic platforms greatly facilitates the reconstructions of 3D models of buildings and automates tasks that would be tiring and inaccurate when carried out manually. In the specific area of thermal monitoring of buildings, robots can also develop an important role providing dense temperature information of envelopes and ...
Abstract: Traditional construction processes have certain shortcomings, due to the waste generated, the quality, safety, and environmental problems, etc. In this sense, certain technological innovations are presented as an acceptable alternative in a country to improve these construction processes. One of them is 3D concrete printing, which requires a printer that ...
Abstract: Building recovery is always a major issue after disasters due to the urgent need for efficient assessment of damaged buildings and effective management of required resources. At the same time, it is necessary that building recovery planning considers the impact of used materials on the environment as well as the ...
Abstract: The integration of BIM and sustainability is a key success criterion for sustainable planning, construction and operation and maintenance. Actually, various research is conducted to integrate the economic, environmental and social aspects in the BIM method. Especially, Life Cycle Assessment (LCA) and Life Cycle Costing (LCC) are subjects of research. ...
Abstract: The construction industry is highly energy intensive and causes significant environmental impacts and reduction in natural resources. A radical change in current practices is necessary for achieving a circular economy in the construction sector. Structural holes in the supply chain, coordination of diverse stakeholders, and resource management at the end ...
Abstract: The goal of this study is to identify people's intentions to use smartwatches and how their use of these devices is affected by the advantages and disadvantages of the IoT. For the research work, five cities were chosen, Delhi, Mumbai, Kolkata, and Chennai. These cities were chosen as a study ...
Abstract: Flaggers are a high-risk profession. They are always required to work closely with the open traffic lanes. Any distracted, speeding or intoxicated drivers might hit them, leading to their injuries and fatalities. From 1980 to 1992, a total of 54 fatalities involving flaggers in the construction industry have been reported. ...
Abstract: In this paper, we propose a teleoperatedconstruction 3D printing technology, called TeleLayering, forplanetary and terrestrial applications. The TeleLayeringtechnology is enabled by effective multimodal control andmonitoring systems and enhanced construction 3D printingrobots to build or repair a variety of structures in extremeenvironments without the need for human presence on thejobsite. This ...
Abstract: As an integrated process in construction projects,quality assessment and management (QA&M) can be importantto prevent failures during construction. The existing QA&Mpractice such as the evaluation of the geometric tolerance andsurface qualities is mostly performed manually which can belabor-intensive and tedious. This study proposes a computationalframework for a robot to perform ...
Abstract: The International Association for Automation and Robotics in Construction (IAARC) and the 39th ISARC organizing committee are pleased to present the Proceedings of the 39th International Symposium on Automation and Robotics in Construction held, in a hybrid mode, on July 13-15, 2022, at Universidad de los Andes, Bogotá, Colombia. The ...
Abstract: The debates around the Urban Heat Island phenomenon (UHI) have gained momentum in the context of smart cities and sustainable development. It is crucial to understand the complex interaction between urban features and temperature variation in the city based on reliable and detailed data. Yet, the complex interaction between the ...
Abstract: Geometric quality control (QC) in a construction project is an important but time-consuming and not value-adding task. While significant progress is being made in construc-tion digitalisation, geometric QC processes remain highly manual and inefficient. This manuscript proposes a new methodology to pre-process initial information contained in the as-designed Building Information ...
Abstract: The preservation of highway infrastructure is essential for maintaining its capacity, safety, and efficiency for commerce and defense. Pavements are among the most important elements of highway systems that deteriorate over time. Hence, the goal of pavement asset management is to seek efficient investments where the methods applied will aid ...
Abstract: Segmentation tasks in computer vision have been adopted in various studies in the civil engineering domain to provide accurate object locations in images. However, preparing an-notation to train segmentation models is a time consuming and costly process, which hinders the use of segmentation models in vision-based applications. To address the ...
Abstract: The use of robotics in construction projects is still in its infancy despite the opportunities that robots can present to the improvement of construction practices. One of the strategies to effectively increase the reliance on robots in construction is increasing the knowledge and improving the educational programs about robotics for ...
Abstract: Conventional mobile robots rely on pre-built point cloud maps for online localization. These map points are generally built using specialized mapping techniques, which involve high labor and computational costs. While in the archi-tectural, engineering and construction (AEC) industry, as-planned building information modelings (BIM) are available for management and operation. In ...
Abstract: Natural disasters lead to severe deterioration of valuable highway assets, including pavements that should quickly return to service after extreme events such as flooding. Various prediction models were developed to predict pavement performance for several purposes, including maintenance management, budget allocation, and investment strategy. However, limited studies focused on developing ...
Abstract: Machine learning (ML) is a purpose technology already starting to transform the global economy and has the potential to transform the construction industry with the use of data-driven solutions to improve the way projects are delivered. Unrealistic productivity predictions cause increased delivery cost and time. This study shows the application ...
Abstract: Progress monitoring is one of the essential tasks while executing a construction project. Effective monitoring will lead to an accurate and timely analysis of the project's progress which is required to make vital decisions for project control. On the other hand, inefficient and delayed updates regarding the project's progress, which ...
Abstract: With growing demand for large scale exterior envelope prefabrication solutions beyond precast concrete, Engineer-to-Order (ETO) prefabrication firms must develop reliable methodologies to manage finish goods inventory of large components. The imbalance between fabrication time and installation requires ETOs to forecast likely consumption of transportation resources at the proposal stage with ...
Abstract: Generating digital 3D buildings models from scratch is time consuming and labor intensive. In this paper, we present an automated detection process leveraging computer vision and the information available in 2D drawings to reduce 3D modeling time. The recognition system is limited to walls and has two parts: (1) Image ...
Abstract: The heating, ventilation, and air conditioning (HVAC) system is a highly complex part of a building that requires high specialty and expertise to understand and analyze for energy modelling and simulation purposes. Significant manual effort is needed for information extraction from the mechanical designs, to support the creation of an ...
Abstract: The rapid pace of technological transformation in sustainability assessment in the construction industry has directed the development of tools and policies. Building information modelling (BIM)-based documentation processes for green building certification systems (GBCS) credits continually require re-assessments. The relationship between BIM and GBCS is minimal in the current literature, which ...
Abstract: The majority of innovative approaches in the realm of the retrospective generation of building information models for existing structures deal with geometry extraction from point clouds or engineering drawings. However, many building-specific or object-specific attributes for the enrichment of building models cannot be inferred from these geometric and visual data ...
Abstract: BIM (Building Information Modeling) has become increasingly important in recent years. At the center of BIM is the digital information model of a building. While such information models are already used intensively in building construction for small-scale robotic applications, digital models are only used for large-scale measures and machines in ...
Abstract: Building Information Modeling (BIM) was conceived as a working method for networked planning using software assistance. Multiple stakeholders in the construction industry are involved in the design and management of digital representations of the physical and functional characteristics of a facility in the BIM model. Design variant management coupled ...
Abstract: The concept of Digital Twin (DT) has emerged in recent years to facilitate the use of Building Information Modeling during the entire projects' lifecycle. In the DT concept, cyber-physical system theory is utilized to collect condition data about an existing asset and then integrate this data into the digital model. ...
Abstract: This paper proposes a pipeline for the automation of data between two realms: i) simulation, in a fully nonlinear, and time-dependent structural analysis model and, ii)concrete maturity monitoring data from the construction site. The connection enables an information construct understood for its use within the Digital Twin of the ...
Abstract: The use of standardized BIM Classification Systems helps to improve the efficiency of the tendering, planning, and control of construction projects. The Colombian government has identified BIM as a key strategy to help increase the construction industry's productivity and improve value for money in public works projects. At the core ...
Abstract: This document presents an automated pipeline to process sensor-based data produced during load tests on digitally twinned HS railway bridges. The research is developed within the frame of the H2020 European project ASHVIN, related to Assistants for Healthy, Safe, and Productive Virtual Construction, Design, Operation & Maintenance using Digital ...
Abstract: The low level of digitization in sharing information and the fragmented processes in the construction supply chain negatively affects cash flow across the supply chain, resulting in non- and late-payment issues. Even though a cloud-based 5D BIM platform and Blockchain-enabled smart contracts have the potential to address the issues, their ...
Abstract: This paper examines the value of including digital twin technology as a hands-on learning activity in a graduate-level building construction course. The methodology of teaching digital twins as a unit is presented, and the benefits of introducing this topic are examined within the framework of several learning objectives. The campus ...
Abstract: The achieved benefits of Open Infrastructure BIM in Finland have been studied. The newest concept of Open InfraBIM in Finland is introduced. Industrial experiences and observed remarkable benefits in three large-size infrastructure design and construction projects carried out in 2012-2022 are presented and evaluated. Based on the observations and achieved ...
Abstract: The digital transformation of the construction industry is accelerating with the advances in information technology (IT) and operational technology (OT) and their convergence. While the benefits of such transformation in construction are apparent, cybersecurity aspects are usually overlooked. Cyber-attacks against project information can cause the exposure of confidential project data, ...
Abstract: Fire management is a key aspect of building management. During a fire, the primary reason why evacuees cannot evacuate in time and causalities occur is their lack of familiarity with the evacuation route. In practice, two dimensional images or videos are used as aids for firefighting educational training. However, they ...
Abstract: Construction safety training through Virtual Reality (VR) environments offers workers an interactive and immersive experience. Many complex interactions and realistic scenarios are possible in VR using accessories such as data gloves and trackers which allow data recording on incidents. For example, misinterpretation of hand signals construction workers give during operations ...
Abstract: Securing the safety of highway work zones is one of the most pressing issues in the highway maintenance and oper-ation community. Recent studies have indicated that high-way workers keep suffering from fatal injuries and death caused by traffic, long-night shifts, and limited space for ma-neuvering. In the meantime, recent advances ...
Abstract: The acceptance of concrete printing as a viable construction method is limited because of a lack of expertise and due to the heterogeneous and non-standardized nature of additive manufacturing (AM) data modeling, affecting the reliability and the interoperability of the concrete printing process. To advance standardization of AM data modeling ...
Abstract: Unmanned aerial vehicles (UAVs) are being employed in many areas such as photography, emergency, entertainment, defence, agriculture, forestry, mining and construction. Over the last decade, UAV technology has found applications in nu-merous construction project phases, ranging from site map-ping, progress monitoring, building inspection, damage as-sessments, and material delivery. While extensive ...
Abstract: The interest in the use of robots in the construction industry has been around for several decades; however, the advancement of technology for related applications has been slow. Considering that most construction robots are not fully automated and require extra guidance and instructions from the operators, an autonomous way for ...
Abstract: Building activities involving heavy suspended elements are one of the construction activities with the highest level of danger. Typically, during these activities, one or two masons work in conjunction with a machine such as a crane or a lift-ing machine. Several robotics solutions have been proposed to replace the masons ...
Abstract: Teleoperated construction machinery dominates construction sites, as it can, with relatively little effort, prevent operators from working in dangerous conditions by keeping them in the control loop. However, the operators usually have to execute tasks with limited situational information due to poor depth perception from 2D camera images, reducing local ...
Abstract: In this paper, a framework for foam printing with a Cable-Driven Parallel Robot (CDPR) is described for building large parts. Compared with the traditional robotic systems, CD-PRs have a large workspace that can include the printing area. In addition, the potential reconfigurability of CDPRs is an asset to get rid ...
Abstract: One of the many ways in which automation may help the construction industry is on-site material management. This paper presents an automated process where materials are selected for staging by detecting construction progress from site images. The materials are then delivered to their re-spective workface locations by a robot. The ...
Abstract: Work-related musculoskeletal disorders continue to be a severe problem in the construction industry. Rebar workers are exposed to ergonomic risks such as repetitive stooping and forward bending resulting in low back injuries. Wearable systems such as back support exoskeletons are emerging as potential solution to reducing the risk of low ...
Abstract: Planning, monitoring, and maintenance of highway assets is an essential, long-term operation for successful civil infrastructure management. These monitoring and maintenance activities are usually carried out manually, suffering from time-consuming, costly, potentially dangerous tasks. The advancements in Unmanned Aerial Vehicles (UAVs) and computer vision technologies have demonstrated the potential to ...
Abstract: Identifying efficient processes for classifying text-based safety reports using Machine-Learning (ML) is an essential area of research. However, much of the previous work on the topic relies on supervised learning approaches, which are often manually intensive and require large volumes of pre-labeled data. To achieve reduced requirements for human intervention ...
Abstract: The interpretation of construction contracts is crucial to the management and success of a project. Correct and accurate interpretation could support the smooth construction of high-quality built assets. Misunderstanding and omissions may lead to costly rework and delay. One main challenge of construction contract interpretation lies in the length of ...
Abstract: In complex and dynamic construction sites, efficient progress monitoring and reporting play an important role in preventing schedule delays and cost overruns. Such reporting requires detailed and accurate records from job sites to help project managers in comparing project's current state to its as-planned state for enabling timely corrective actions. ...
Abstract: Construction is looking closely as Industry 4.0 paradigm (I4.0) transforms many processes in Manufacturing. Technologies associated with I4.0 were born out of the ever-present necessity of automation (and integration) on the shop floor, as well as of better management in product lifecycle with computer-aided software. Although indeed relevant outside Manufacturing, ...
Abstract: After the COVID-19 outbreak, a new concept of building maintenance (BM) systems is needed because current approaches highly rely on physical contact between workers, engineers, and managers. It imposes health and safety risks as increasing concerns about infections and spreads. This adds burdens to take unavoidable close contact and health ...
Abstract: With the use of digital data, in conjunction with technologies such as BIM and digital twin, construction professionals have the ability to monitor the progress efficiently and perform detailed quality assessments. The rapid development of multiple data acquisition technologies, such as terrestrial laser scanning (TLS) and photogrammetry techniques, has allowed ...
Abstract: Oil and Gas (O&G) projects have complex engineering endeavours. A digital information management process is vital to increasing efficiency due to projects' size and complexity. The industrial plants' commissioning is regarding on-site testing to check performance and ensure final compliance of all equipment and systems installed. On-site commissioning procedures are ...
Abstract: The Architecture, Engineering, and Construction (AEC) industry has undergone a significant and radical transformation in its design and documentation process as it evolved from the days of the drafting board to today's Building Information Modeling (BIM) process. As BIM remains the center of this transformation, it is important to keep ...
Abstract: The applicability of wireless 5G network to the information communication needs of autonomous excavations is studied. An autonomous excavator developed by the University of Oulu is used for the experiments in a 5G test network at the Linnanmaa Campus of the University of Oulu. In the experiments, remote and autonomous ...
Abstract: In a volatile, uncertain, complex, and ambiguous world, Industry 4.0 can be the silver lining of the construction industry which has been facing daunting chronic problems for decades. The transformative impact of Industry 4.0 which has been well documented in the industrial sector has spurred interested among construction researcher to ...
Abstract: In construction projects, the space required for executing each activity is unanimously recognized as a limited but renewable resource, like workers, equipment, and materials. Overloading a given resource space, as demonstrated by statistics, leads to efficiency losses and safety threats. Despite the valuable contributions provided by academics and the construction ...
Abstract: State-of-the-art building energy systems exhibit a high technical complexity. In the commissioning phase, technical building elements (TBE) are put into operation trade-by-trade and as linked complete systems. Besides the correct wiring on component level, instantiating the building automation and detecting errors is a cumbersome process in practice. The paper addresses ...
Abstract: Sharing building data or building models still represents a problem within design practices in the architecture, engineering and construction industry. Additionally, digitalization, automation or traceability of processes face numerous workflows and changing stakeholder constellations, with multiple software tools escaping the scopes of common data environments or similar digital solutions. Vague ...
Abstract: Digital technologies are taking place in all spheres of the society and affecting every business sector including the construction industry. As a key player of the industry, local government in New Zealand invests in numerous digitalised Asset Management Information Systems (AMIS) in order to efficiently and effectively manage its infrastructure ...
Abstract: As innovations in construction robotics are being tested and deployed on site thanks to technological advancements in computing and sensing, Civil Engineering researchers must consider how to connect real-world innovations with research and teaching at a much faster pace. Observing the practice helps identify problems and test engineering solutions and ...
Abstract: Automation of construction processes facilitates increased productivity and overall higher project performance. This paper presents a methodology for comparative assessment of different construction processes and selection of an optimal solution based on appropriate automation implementation. Construction processes are quantitatively evaluated using a methodology combining case-based reasoning and compositional modeling. Through ...
Abstract: The construction industry is characterized by low productivity and inefficient processes. In addition, the level of digitalization and automation in this industry is low compared to other industries. Although the added values of using robots in the industry have been known for a long time and the technology has been ...
Abstract: Construction documentation is necessary on every project. Information captured must be accurate, timely and actionable. With several technologies and techniques available, the aim of this study is to determine the current state of the industry on this topic. The objectives of this study are to investigate the status of construction ...
Abstract: Construction remains among the most hazardous workplaces, thus a significant amount of time and effort in reporting and investigating the accident occurrences has been done in the past decades by government agencies. In light of construction safety, analyzing textual information in construction accident records may assist in our comprehension of ...
Abstract: Additive manufacturing (AM) is no longer a new technology and is already being used profitably in many sectors of the economy. AM is also becoming increasingly popular in the construction industry, and more and more research is focused on unlocking new building materials for AM. As a digital fabrication method, ...
Abstract: Construction inspection is an important part of the construction management process to ensure that the project is compliant with the requirements, regulations, and standards. Due to time and cost constraints, inspectors representing owners, as well as architects, designers, and other stakeholders might not be able to visit and inspect the ...
Abstract: The research presented in this paper introduces a novel method for Augmented Reality informed human-machine collaboration in the context of timber prefabrication. The concept is based on the craftsman controlled instructive interaction between a High Level of Automation (robotic) fabrication setup and a human co-worker. It argues that by enabling ...
Abstract: Efficient project monitoring is a key to a project's success. Linear construction projects span across large distances and require similar activities to be carried out repeatedly over multiple small segments for project completion. Thus, monitoring their progress becomes challenging. This is a matter of concern since proper progress monitoring can ...
Abstract: Population aging is one of the major challenges facing the world. In particular, the advent of China's aging society caused by various factors will be a major threat to its future development. Therefore, serious measures need to be taken to achieve its demographic sustainability. Smart furniture can be considered as ...
Abstract: In this paper, we propose an excavator activity analysis and safety monitoring system, leveraging recent advancements in deep learning and computer vision. Our proposed system detects the surrounding environment and the excavators while estimating the poses and actions of the excavators. Compared to previous systems, our method achieves higher accuracy ...
Abstract: With the growth in automated data collection of construction projects, the need for semantic navigation of mobile robots is increasing. In this paper, we propose an infrastructure to leverage building-related information for smarter, safer and more precise robot navigation during construction phase. Our use of Building Information Models (BIM) in ...
Abstract: A view is among the critical criteria in an architectural design process. Presently, it is assessed by conventional site observation, labour-intensive data collection, and manual data analysis before designing a building mass, plan, façade, openings, and interior space. City Information Model (CIM), with its capabilities to store, visualize, and analyze ...
Abstract: Blockchain is a disruptive technology that has great potential in securing BIM data immutability and traceability. However, integrating BIM management with blockchain still faces a risk of sensitive information leaking because blockchain is such a transparent network that BIM data are disclosed to every member. Therefore, this paper proposes a ...
Abstract: Wastewater treatment plants (WWTPs) are a type of critical civil infrastructure that play an integral role in maintaining the standard of living and protecting the environment. The sustainable operation of WWTPs requires maintaining the optimal performance of their critical assets (e.g., pumps) at minimum cost. Effective maintenance of critical assets ...
Abstract: Interoperability is an ever-present challenge for the construction industry despite the intensive research and standardisation efforts, including Building Information Modelling (BIM), and Common Data Environments (CDEs). This paper presents the BIMERR Interoperability Framework (BIF), a cloud-based platform aiming to facilitate seamless data integration, leveraging flexible ontology and data model management ...
Abstract: The application of Building Information Modeling (BIM) technology allows a digital representation of physical and functional characteristics of places, which is particularly beneficial to civil engineering. The present article proposes to evaluate the utilization of BIM technology to quantify the damage caused to concrete structures, based on a systematic review ...
Abstract: The operation of automated construction equipment and autonomous construction robots depends on contextual information regarding the job to be carried out. Therefore, robots as well as equipment require a task-based construction site control system. Such a system also provides some advantages for construction managers. However, some prerequisites must be met ...
Abstract: Tendering & Bidding generally involve many construction units participating in a project bidding. The purchaser selects the best bidder with a short construction period, low cost, high quality, and good reputation. There are huge economic benefits and points of concern behind it. Tendering suffers an increased risk of data tampering ...
Abstract: Half of the global population lives in cities, and it is still increasing as people are moving to cities in search of better education, job opportunities, and so on. The existing infrastructures of the cities are being stretched beyond their capacity and requirements for well-organized urban environment and efficient urban ...
Abstract: Due to the increasing global population, the Architecture, Engineering, and Construction (AEC) industry is placed in front of a significant challenge to provide and maintain the necessary urban development and solid infrastructure systems to support this increase. Infrastructure systems must be resilient and sustainable, especially being critical to the nation's ...
Abstract: Prefabrication is regarded as the first level of industrialization in the construction industry. A unified 4D information model with good interoperability is the key issue to realize effective project management of prefabricated buildings. This paper intends to promote prefabricated buildings' management by developing an IFC-based framework to institute a unified ...
Abstract: Digital 3D environments are already integral parts of construction and are on the critical path of end-to-end site autonomy. They currently provide human users at all levels of an organisation, access to relevant digital representations of job-critical information at various lifecycle modes, from asset design through to asset maintenance. However, ...
Abstract: In construction cost estimation, building information modelling (BIM) has been commonly utilized to support automatic quantity take-off (QTO). However, conventional BIM models do not contain all the necessary information for QTO, and the calculation does not follow the descriptive rules in standard method of measurement (SMM), which impact the cost ...
Abstract: Identifying hazardous zones is one of the priorities and duties of construction safety monitoring. With the emergence of vision intelligence technology, hazardous zones detected by AI algorithms can support safety managers in predicting potential hazards as well as making decisions. However, the risky area in images/videos continues to suffer from ...
Abstract: In recent years, increasing number of unprecedented rainfall events around the world brought about devastating floods that have been a challenge for urban planners and decision makers. Numerous studies addressed these floods to climate change and investigated its trends at different time scales. In face of many uncertainties caused by ...
Abstract: As a product of commercialization in prefabricated buildings, the information of the whole life cycle of Precast Concrete (PC) is an important basis for product quality traceability and progress control. During the stage of production, transportation, storage and installation, some quality problems inevitably appear on PC, and according to the ...
Abstract: Energy retrofitting is paramount to reduce the use of energy in existing buildings, with benefits to the environment and people's economy. The increasing use of novel technologies and innovative methodologies, such as Terrestrial Laser Scanning (TLS) and Building Information Modelling (BIM), is contributing to optimise retrofit processes. In the context ...
Abstract: Building Information Model (BIM) with rich geometric and semantic information of facilities has increasingly been used to establish the City Information Model (CIM). Although BIMs for new buildings are becoming more available, BIMs for most existing buildings can only be modelled from 2D drawings and specifications. Manual BIM modelling is ...
Abstract: A critical aspect of BIM is the capability to embody semantic information about its element constituents. To be interoperable, such information needs to conform to the Industry Foundation Classes (IFC) standards and protocols. Artificial intelligence approaches have been explored as a way to verify the semantic integrity of BIM to ...
Abstract: Building design processes usually follow similar workflows with different stakeholders and interdisciplinary design teams incorporating their individual domain knowledge. To improve the holistic performance of building designs considering economic and environmental qualities, design decisions based on simulations and analysis in early phases have a significant impact on the resultant design. In ...
Abstract: The customer has the opportunity to participate in the space planning of the house when the customer purchases a pre-sold house, which is called a custom modification. The advantage of providing custom modification is that the design of the house can be customized based on the client's living habits. Because the ...
Abstract: 4D simulation can be used in the planning phase of a project for constructability analysis, which aims to optimize construction processes and improve safety management. The same 4D simulation can be used as a digital twin in the construction phase for progress monitoring and identifying potential safety issues based on ...
Abstract: This study was aimed at developing a building information modeling (BIM) process logger that can capture modeling process information as an event log file. BIM log mining is a research area that focuses on utilizing a massive amount of data created from BIM software usage. Several studies have monitored, analyzed, ...
Abstract: The accurate modeling of critical infrastructure systems (CISs) and their interdependencies is essential to assessing and predicting the behavior of interdependent CISs under various operation scenarios. Existing modeling approaches have limited ability to incorporate CIS domain knowledge and capture the systemic heterogeneity among the CISs, and thus cannot simulate the ...
Abstract: To help project managers better understand non-conformance in prefabrication projects, this research presents a probabilistic empirical study on non-conformance reports (NCRs), their root cause and frequency of occurrence, as well as their impact on the project cost and time. Data from a completed nuclear project were collected and analyzed, where ...
Abstract: Designing a reasonable and efficient transportation system of temporary elevators from the perspective of spatio-temporal planning is beneficial for the successful completion of construction projects. Specifically, the determination of the service period and floor of temporary elevators and the consideration of the limited availability of time and space should be ...
Abstract: The traditional method of burying underground utilities (e.g., water, sewer, gas pipes, and electrical cables) has been used for many decades. Repeated excavations related to this method cause many problems, such as traffic congestion and business disruption, which can significantly increase the social costs. Multi-purpose Utility Tunnels (MUTs) are a ...
Abstract: As part of the Architecture, Engineering, and Construction (AEC) industry, heavy civil engineering with its equipment-intensive processes is a current focus of discussion concerning emission reduction. Adopting Industry 4.0 technologies for resource scheduling can significantly increase the savings potential significantly. One of these digital technologies is the Discrete Event Simulation ...
Abstract: Cross-laminated timber (CLT) is used as the primary structural element for high-rise mass timber buildings. The mass timber buildings that are under construction are largely unprotected as they are not yet equipped with active or passive fire protection systems. With the addition of Types IVA, B, and C, the 2021 ...
Abstract: Modular construction aims at overcoming challenges faced by the traditional construction process such as the shortage of skilled workers, fast-track project requirements, and cost associated with on-site productivity losses and recurrent rework. Since manufacturing is done off-site in controlled factory settings, modular construction is associated with increased productivity and better ...
Abstract: Roofing systems are considered one of the items that in most need of frequent inspection and rehabilitation due to its ongoing exposure to the elements. Manual roof inspections are time-consuming and subjective. This study uses Convolutional Neural Network (CNN), an image-processing technique, to classify roofs according to their damage level. ...
Abstract: In monitoring disaster sites, mobile robots represent a fast, reliable, and practical option to remotely inspect active areas in disaster management for applications such as risk management, search and rescue, and structural assessment purposes. Mobile robots can efficiently collect laser scan data and reconstruct the state of ongoing disaster relief ...
Abstract: Progress quantification of construction projects is critical for project managers to manage projects effectively. The trade-off between computation time and accuracy is a key aspect while selecting the quantification method. Though accuracy is essential, project managers require real-time information about quantities of work completed on various building components to make ...
Abstract: Progress monitoring is key to any successful project. Often this is a hectic task that involves manpower in preparing Daily Project Reports (DPRs) to physically monitor the activities on site. Recent developments in the fields of photogrammetry and point cloud processing techniques have laid a new path in using point ...
Abstract: This paper aims to propose an approach to establishing an intelligent interior design reference image database using 360-degree panorama picture sources. Building interior design reference images are usually taken by people in an ad-hoc way and stored/used for various purposes as non-standardized design communication resources. As several web/apps provide such ...
Abstract: Efficient progress monitoring and reporting require detailed and accurate reports from construction sites in a timely manner. These reports include important information to assist decision-making through comparison of as-built information to as-planned state. Manual reporting is time-consuming, error-prone, costly and is highly dependent on site personnel expertise. Advances recently made ...
Abstract: Obtaining accurate information of defective areas of infrastructures helps to perform repair actions more efficiently. Recently, LiDAR scanners are used for the inspection of surface defects. Moreover, machine learning methods have attracted the attention of researchers for semantic segmentation and classification based on point cloud data. Although much work has ...
Abstract: In the construction industry, contractors require precise knowledge of design restrictions originating from regulatory documents and contract specifications. For the automatic compliance checking of the building design regarding these rules, they have to be converted from the representation in natural language to a machine-readable format. This task, if carried out ...
Abstract: As construction projects resume worldwide and workers return to the job site, the possibility of transmitting the Covid-19 could be added to the extensive list of risks confronting workers in the construction sites; thus, the workers need to work alone in an assigned activity. Many workers are already working alone ...
Abstract: Building consume a large amount of energy and a plenty of methods to mine into energy consumption data to aid intelligent management are proposed. However, the data quality issues are inevitable and the influence is lack of discussion. This paper proposed a data cleaning method combing threshold and cluster method. ...
Abstract: Architects today still very often create traditional 2d plans in the early planning phase, which form the basis for discussions with investors, clients and engineers. The designs are often difficult to understand for non-experts and design variants can only be compared with great effort. The use of BIM models simplifies ...
Abstract: The use of robots in construction has increased the safety and productivity in the construction site. Robots execute complex programmed codes to complete construction related tasks. Unfortunately, there are limitations on project management to monitor the execution process of robot due to undeveloped human-robot collaboration interfaces. Digital Twin (DT) is ...
Abstract: Mechanical, Electrical, and Plumbing (MEP) play a crucial role in civil construction projects. MEP is characterized by various interdisciplinary and interconnected activities of multiple trades. Traditionally, not updated design information and communication problems are very common in this industry. Thus, schedule delays and cost overruns are frequent in MEP construction ...
Abstract: On-demand and real-time building information is of great value to support facility management. Such information can be easily retrieved from an up-to-date building information model (BIM), and then intuitively presented to facility managers or inspectors by augmented reality (AR). However, effective spatial registration into BIM so as to align the ...
Abstract: The increased use of construction machinery in the industry poses challenges of safety and regulation for the site workers. A remote monitoring system for the construction machinery can help in avoiding fatal accidents whilst providing continuous sensor information to the user. The present remote controller has shortcomings of accessibility, less ...
Abstract: Energy-efficient buildings have gained an increasing attention in the construction industry thanks to their significant contribution to saving world's energy consumption. Life Cycle Assessment (LCA) provides an opportunity to improving energy performance of buildings through a holistic assessment of their lifecycle. Previous studies have mainly applied Building Information Modeling (BIM) ...
Abstract: As robots are envisioned to be deployed in construction job sites to work with humans, there is an increasing need for developing intuitive and natural communication between robots and humans. In particular, spatial information exchange is critical to navigating or delegating tasks to collaborative robots. However, such deictic gestures are ...
Abstract: Maintaining good communication is important for keeping the construction site safe and the project running smoothly and on schedule. Hand gestures, as one of the common ways to communicate, are widely used on construction sites due to their simple but effective nature. However, the meaning of these hand gestures was ...
Abstract: Highway construction and maintenance projects have been witnessing a significant expansion across the United States. This expansion, coupled with the ongoing problem of labor shortages, adds pressure on state Departments of Transportation (DOTs) to complete more complex projects under more strict cost and schedule constraints. In recent years, construction inspection ...
Abstract: Spatial conflicts affect crews' productivity and workers' safety. The idea of considering workspaces as a limited resource has brought a remarkable contribution to the effectiveness of traditional scheduling techniques that generally do not consider the spatial-temporal dimension of construction activities. In previous studies, the detection of spatial interferences among main ...
Abstract: Different factors combined invariably cause construction fatalities at any time, most of which could be avoided if workers followed the on-site regulatory rules. However, compliance of regulatory rules is not strictly enforced among workers due to all kinds of reasons, even after prior education and training. To address the difficulties ...
Abstract: The purpose of this study is to compare the safety climate by project size and construction activity with different risk levels. Accidents tend to occur more frequently at smaller sites. As safety climate has been regarded as one important leading indicator preventing accidents, this study hypothesized that larger project tend ...
Abstract: Predicting the outcomes of safety incidents on construction projects is of a great value to various project stakeholders. Accurate estimates allow construction managers to take appropriate preventive measures based on the severity of the outcomes. Such estimates can be predicted using machine learning algorithms, although the quality of these estimates ...
Abstract: Tower cranes play an essential role in the execution of most construction projects. Unfortunately, they are also a major source of fatalities and injuries in the industry, owing to their great mass and large footprint on the site. Aiming to proactively identify and mitigate safety hazards in the design and ...
Abstract: The construction industry accounts for a considerable portion of work-related accidents annually. Taking appropriate pre-construction measures can significantly lessen the probability of these accidents occurring. An essential step toward achieving this goal is identifying the unsafe attributes before construction begins. This research introduces a semi-automatic method for identifying and reporting ...
Abstract: One of the problems with unmanned construction is the lack of visual information, which reduces work efficiency to less than half of that in onboard operation. Therefore, methods to provide visual information using drones and image processing were studied in the past. However, the addition of information causes the operator ...
Abstract: A construction site is a dynamic and complex place where multiple activities, process and elements take place. In an era of digitalization revolution, construction safety management on site faces significant challenges, in particular, there is a lack of understanding about how to raise situation awareness (SA) using digital solutions. Against ...
Abstract: The construction industry is suffering from a high rate of accidents that significantly affect the overall performance of projects. Compared to the conventional safety training methods, Virtual Reality (VR) games offer a more immersive and interactive learning experience for the participants. However, training scenarios in most of the existing VR games lack complex tasks and the realistic ...
Abstract: Construction sites are dynamic, and the environment is changing fast, which means the collective safety equipment, such as fall protection barriers, should also be changed to keep it compliant with the construction codes. However, the safety equipment can become non-compliant for several reasons, e.g., temporal removal in combination with incorrect ...
Abstract: The Unmanned Aerial System (UAS), Aerial Robot or Drone has been a multi-purpose tool for professionals, especially for its unknown versatile applications and regardless of its challenges in adoption. In the built environment and the current global situation, the topic of disaster management has grabbed attention from the scientific community, ...
Abstract: The use of robots has typically improved workers' health and safety and increased productivity and quality in manufacturing. Current advances in robotic and computer technology, combined with BIM, have led to new applications in construction. However, there is no general framework to guide the implementation of robots under current construction ...
Abstract: Quality inspection of existing buildings is a task currently performed by human inspectors. In general, these inspections consist of assessing the different elements of a building as they are being constructed, checking that they are within acceptable tolerances, and meeting industry standards. Typically, this process is carried out by doing ...
Abstract: There has been a growing interest in adopting autonomous robots to perform routine tasks in facilities management. The goal of facility management is to ensure that the facility performs to design standards. Currently, the cost of maintenance and operations of a facility over its life cycle is oftentimes more than ...
Abstract: Timber construction and prefabrication are increasingly important. So far, the degree of automation is low. Due to the great variability of construction projects and the building components, automation systems that can adapt flexibly to different construction projects are required. However, a system that fulfills these conditions does not yet exist. ...
Abstract: Safely waking up a robot at an unknown location and subsequent autonomous operation are key requirements for on-site construction robots. In this regard, single-shot global localization in a known map is a challenging problem due to incomplete observations of the environment and sensor obstructions by unmapped clutter. In this work, ...
Abstract: As-built modeling using advanced visual sensing technologies (i.e., photogrammetry and laser scanning) provides an opportunity for a rapid assessment of construction performance, identifying deviations from 3D CAD/Building Information Modeling (BIM) models (i.e., as-planned model). For reliable decision-making, the accuracy and quality of the as-built model are critical. In particular, data ...
Abstract: Featuring manual-intensive labour as the primary source of productivity, the construction industry is plagued with low efficiencies and high safety risks. Increasing ground robots have the potential to address these shorting comings. However, the complicated indoor sites result in many barriers for adopting unmanned ground robots (UGR), especially in path ...
Abstract: Robotic solutions for the construction industry are attracting the attention of researchers and of the market. Among the various technologies, robotic bricklaying promises to become a disruptive technology. However, most of the solutions proposed so far resulted to be inefficient and did not pass the prototype status. One of the ...
Abstract: Broad research concepts are usually developed in different phases where advances are carried out separately. That is the case of the automated and robotic façade renovation with modules. In this case, solutions were developed independently in the context of two research projects. In order to offer a holistic vision, analyze ...
Abstract: Evolving machine control systems for excavators are getting more capable every year in civil engineering, now they are usually equipped with hydraulic motion control, localization, and design models in form of building information modelling (BIM). Machine control systems are advancing side by side with the adoption of fast wireless connections like 5G and growing trends of ...
Abstract: Modular integrated construction (MiC) is a most advanced off-site technology. In a MiC project, it is critical but challenging to install prefabricated volumetric modules efficiently and safely, as they are much heavier and larger than conventional construction components and materials. However, the current crane-lift executions are heavily reliant on operators' ...
Abstract: Design for Manufacture and Assembly (DfMA) is an emerging concept introduced from the manufacturing sector to transform the construction industry and accelerating "off-site" capabilities. Enhancing the sustainability of DfMA is challenging and requires accounting for various environmental and managerial impacts on the process of manufacture and assembly, especially for the ...
Abstract: Delays and cost overruns are frequent in infrastructure construction projects. Deviations are often identified late, and their causes cannot be traced back. Traditionally, decisions are made by experience and not with the support of data directly coming from the site. Moreover, schedules are often static and thus not able to ...
Abstract: The construction industry is increasingly using information technologies (IT) and operational technologies (OT) to enhance processes and operations through digitization. Creating, editing, storing, and sharing information in digital environments is only one side of the coin; the other involves monitoring and controlling physical processes on construction sites. Given the nature ...
Abstract: Construction management can be grouped into two different levels: strategic early planning, that provides the baseline for project monitoring, and short time initiatives, based on objectives and self-organization from actors who are involved in on-site processes. The latter can be considered as a complex system management issue since it presents ...
Abstract: Construction automation helps to improve productivity and project performance. This study demonstrates a methodology for evaluating project performance improvement through appropriate automation of construction processes. This quantitative evaluation approach involves a compositional modeling driven case-based reasoning methodology. Potential processes for executing the activities in a project can be explored by ...
Abstract: Despite the significant benefits of Building Information Modeling (BIM) that can be potentially achieved during the operation and maintenance (O&M) phase, industry has so far mainly focused on its implementation in the design and construction phases. As-built BIM models cannot be efficiently used mainly due to a lack of expertise ...
Abstract: This work examines the potential of process mining in the Architecture, Engineering, Construction, and Operation (AECO) industry, where process mining is rarely applied. The main reason is that standardised processes are hardly ever performed due to the complexity of projects. To address this application gap, the software-supported cost estimation process ...
Abstract: To ensure public safety, major cities in the U.S. have façade ordinances that require periodic façade inspections and reporting of façade conditions. Our shadowing works show that the current inspection processes are based on inspectors' experience rather than systematic inspection guidance. Besides, façade inspectors have different preferences to group their ...
Abstract: Embedments (embeds) are used extensively in construction for the attachment of dissimilar construction materials, such as, concrete to steel and wood to concrete. Coordinating the layout, delivery, and placement of these embeds is a sensitive construction chore, one that if not done properly, can lead to considerable lost productivity, delayed ...
Abstract: Construction projects are often suffered from time delay and cost overrun, unavoidably leading to underperformance and low productivity of the construction industry. Inadequate monitoring of construction progress is one of the key factors behind this scenario that has a detrimental effect on subsequent construction activities. Recent development in 3D Building ...
Abstract: Three-dimensional (3D) printing is a branch of additive manufacturing (AM) that works by slicing a 3D computer aided design (CAD) model into 2D layers and sequentially printing each layer additively until the entire object is obtained. There has been a growing interest in 3D printing in the architecture, engineering, and ...
Abstract: The Jade University of Applied Sciences organized the digital business game "PING PONG", a BIM Game, to teach students in the Department of Architecture the networked and digital planning methodology BIM. Building Information Modelling (BIM) is to become the planning standard for construction projects and thus a fixed component of ...
Abstract: Circular economy (CE) strategies have been considered to help reduce global sustainability pressures in different sectors; however, there is a gap about how they could be used to contribute to the Architectural, Engineering and Construction (AEC) domain. Past research used lifecycle assessment (LCA) methods or experts' opinions to partially identify ...
Abstract: Typical construction project management and production management courses teach the critical path method, in which only the precedence constraint is considered while scheduling activities. By contrast, the tri-constraint method is an object-based scheduling method that considers activity precedence, resource constraints, and spatial availability. However, the tri-constraint method is only taught ...
Abstract: The increased complexity of construction projects coupled with the increase in customer expectations has fueled electrical contractors' interest in innovation as a source of competitive advantage. Emerging technologies such as Augmented Reality and Digital Twins have recently gained momentum in the electrical construction industry. While these emerging technologies provide a ...
Abstract: Lean construction and Construction 4.0 are two prominent concepts challenging traditional practices in the construction industry. The continuous increase in competition and the demand for more efficient project delivery with less waste is pressuring construction companies to adopt these concepts. Body of literature have discussed the benefits of each separately, ...
Abstract: Digital twin technologies have been widely used among different industries, for which different conceptual models and system architectures have been proposed. However, exactly what processes are required for establishing a digital twin for intended use cases has not been fully studied. This study adopts the systematic literature review analysis focusing ...
Abstract: Unlike what South Korea have accomplished in the Architecture, Engineering and Construction (AEC) industry, current situation of Building Information Modeling (BIM) adoption in South Korea is still challenging. To identify the impact of government-driven manners on BIM adoption, this study presented the status of BIM application in South Korea. First, ...
Abstract: The development of new visualization technologies, such as Mixed Reality (MR) and Augmented Reality (AR), has enabled many applications to improve our daily life. For example, AR has been used in landscape assessment by overlaying virtual objects on a real-world scene to enhance the user's experience. For many advanced visualization ...
Abstract: A significant advancement has been contributed by the break-through technologies like smart contracts and blockchain in banking industry, healthcare industry, and construction industry (Zhang 2020). Blockchain can be defined as the distributed public ledger that records all data transaction that is exchanged and shared between the parties within the systems ...
Abstract: The availability of inspection robots in the construction and operation phases of buildings has led to expanding the scope of applications and increasing technological challenges. Furthermore, the Building Information Modeling (BIM) based approach for robotic inspection is expected to improve the inspection process as the BIM models contain accurate geometry ...
Abstract: With the aim of shifting from the traditional linear flow of resources in the construction industry into a circular model, several studies have focused on the reuse and recycling of construction and demolition waste. The present study focuses on the End-of-Life (EoL) decision-making for built facilities, including buildings and infrastructure, ...
Abstract: In recent years, building information modeling (BIM) has been widely used to create animated simulations for engineering demonstrations. On-site engineers often employ animations generated using a BIM system to explain the current project status to their managers, so that the managers can grasp the actual project status. However, the fidelity ...
Abstract: Using Building Information Modeling (BIM) technology, a unique virtual model of a project can be created, which will allow all parties involved in the design process of project members (owners, architects, engineers, contractors, sub-contractors and suppliers) to collaborate more precisely and more effectively than using traditional processes. The collaboration of ...
Abstract: Proper building maintenance is critical to ensuring the well-being of citizens and sustainable development of the urban environment. For high-rise high-density cities, one challenge to building maintenance concerns the inspection of building exteriors, which has been mostly done manually but is of highly risky, labor-intensive, and error-prone. Unmanned aerial vehicles ...
Abstract: Construction progress monitoring and visualization have recently undergone advanced development. However, the data exchange process between construction offices and jobsites still lacks automation and real-time data records. Furthermore, an information gap between construction offices and jobsite activity persists, and progress inspectors still need to visit jobsites to check progress and ...
Abstract: Lighting performance simulators play an important role in the architectural design process, as it provides the means to address lighting design issues early within the design stage of a construction project life-cycle. Currently, several lighting performance simulators provide support for glare simulation and analysis; however, they are primarily limited to ...
Abstract: Construction, one of the most informationintensive industries, plays a vital role in the prosperity of nations and is expected to grow to new heights. This significant expansion, along with the increased complexity and sophistication of construction projects and rapid advances in emerging technologies, has fueled construction companies' interest in innovation ...
Abstract: Well detailed, informative and accurate work instructions are a necessity to mitigate delays in construction. Today, this is done through a combination of shop drawings, documents, sheets, work pre-planning meetings and onsite verbal work instructions to transfer knowledge and information between all actors. Due to the subjectivity of these methods, ...
Abstract: The rotary snow blower vehicle operated for removing accumulated snow on road shoulders must be performed even in the conditions of a poor visibility due to a snowstorm or road markings completely covered by snow. The operators of the vehicle have to pay full attention to avoid contacting road structures ...
Abstract: Since March 2020, 5G has been commercialized mainly in urban areas in Japan, and 5G communication infrastructure demonstration tests are actively conducted among various industries such as telecommunications carriers and construction industries. The authors installed a portable 5G base station close to tunnel portal in "Subcontracting for research and study of ...
Abstract: We have developed a remote operation support system for underwater excavators and conducted Sea experiments. Underwater excavators have been operated by divers boarding on them. Their main task is levelling rubble mounds of port structures in Okinawa?Japan. However, in recent years, remote control is required due to the decrease in ...
Abstract: The wall of the shield tunnel body is made by assembling panels called segments into a ring shape. For the segment transportation in this site, quick, accurate and safe operation is required in each device mainly using a crane. However, in recent years, it is difficult to secure human resources ...
Abstract: Currently, the high demands and needs to improve productivity and labor-saving in construction industries leads to many automation and mechanization. This report aims to address the shortage of skilled worker in the future as well as improvement of safety, productivity and quality. Comprehensive collection and utilization of information were carried ...
Abstract: Most of the cities road marking inspection is performed manually and considered an ideal candidate for automation because it is a labourintensive process. We propose a solution based on automated quality assessment tool for road marking to detect and qualify road marking characteristics. Our data inventory and data collection approach ...
Abstract: An on-site construction progress monitoring and presentation system is herein developed that overlays the virtual building information model (BIM) onto the real-time scene of the construction site using augmented reality (AR). The system utilizes the novel AR technology of simultaneous localization and mapping (SLAM), which is a real-time positioning technology ...
Abstract: The efficient construction of large industrial plants (e.g. concrete plants, chemical plants) in high quality requires precise planning and execution of the individual logistics and assembly steps. For this purpose, detailed step-by-step instructions should be prepared that can be clearly interpreted and thus implemented by the staff on site carrying ...
Abstract: The rapid growth on the field of project management and building information modelling (BIM) has led not only to the enhancement of architectural/structural design, construction methodology and operation of facilities but also to the generating of the new and exciting applications such as 4D simulations, project scheduling and controlling. 4D ...
Abstract: To support mass customization for industrialized construction, researchers and industry have adopted product configuration strategies. Based on the theory of modularization, pre-defined module libraries can be configured into feasible construction projects. However, the digital representation of configuration knowledge is understudied. Current Building Information Modeling (BIM) product modeling does not enable ...
Abstract: The construction industry suffers from low productivity, and the Building Information Modelling (BIM) has not been successful in enhancing the productivity and the flow of information throughout highly fragmented construction projects. Hence, this study aims to facilitate consistency in information and addresses the current gaps in BIM by applying the ...
Abstract: Individual customer needs and accelerating technological advances in Industry 4.0 are leading to rapid manufacturing changes, thus industrial buildings need to accommodate constantly evolving production processes. The load-bearing structure acts as crucial limiting factor regarding the building's flexibility. As structural performance is highly linked to other design-disciplines, there is a ...
Abstract: Enhanced visualisation is one of the low hanging fruits of BIM implementation. It helps in improving clarity in communications and fosters collaboration & coordination of construction projects for efficient delivery. 4D BIM combines the proposed sequence of work in a project with the 3D parametric digital model of the facility ...
Abstract: Information Quality Assessment (IQA) is an important, but often overlooked aspect, of the Building Information Modeling (BIM) process. Models with information quality issues, such as incomplete and incorrect information, may cause rework during the design process if detected early. Otherwise errors may propagate downstream, leading to significant cost consequences to ...
Abstract: The definition of how agreed information deliveries in building projects are achieved and implemented for different objectives and use cases is always a major topic in project management. This procedure is normally specified in accordance with international standards. However, the absence of checklists, guidelines and recommendations for action leads to ...
Abstract: In the last decade, a significant amount of research and development has been conducted at the intersection of Building Information Modelling (BIM) and reality capture data processing, mainly in the two areas often referred to as ?Scanto- BIM' and ?Scan-vs-BIM'. Interestingly, it appears that all these advances have been made ...
Abstract: Global spending on rework in the trillion dollar construction industry is estimated at $570bn of direct costs and $440bn of indirect costs. The cost of rework is on the rise, and the main cause is rooted in quality deviations from construction design. Real-time or even near real-time remote progress monitoring ...
Abstract: The current practice for information sharing with building information modelling (BIM) is a distributed data sharing based on conversions. Conversions are problematic due to data loss, redundancy, and conflicting information. A single data schema used by all applications is a requisite for a conversion-free data collaboration. In the study, a ...
Abstract: The need for efficient computing in construction modelling and analysis workflows often requires making tradeoffs between the inherent advantages and disadvantages of different datatypes being generated and managed. This is notably observed in geometry reconstruction (e.g., scan-to-BIM, reverse engineering, etc.), where a tradeoff often occurs between computational efficiency and the ...
Abstract: The Architecture, Engineering and Construction (AEC) industry is still one of the most hazardous industries in the world. Researchers impute this trend to many factors such as the separation between the phases of safety planning and project execution, implicit safety issues and, most of all, the dynamic and complex nature ...
Abstract: New innovative and digital approaches, in particular digital methods like Building Information Modeling (BIM), are being used more and more in the Architecture, Engineering and Construction (AEC) Sector. However, most of building operation and maintenance processes still follow conventional processes and are hardly supported by digital databases. Within the widespread ...
Abstract: Due to the continuous improvement in data acquisition, storage and evaluation, digital technologies are penetrating ever deeper into the operational business of the construction industry. Modern information and communication systems are at the heart of digital working methods. They encompass the factors - People, Processes and Data -, which are ...
Abstract: Digital twin (DT) is commonly known as a virtual model of a physical object, a process or a system. In order to create DT, the emphasis is on building a Cyber-Physical System (CPS), where information collected from physical processes is used for computation to generate a real-time monitoring cyber model. ...
Abstract: Nowadays, it is ever more common to find mentions in the scientific literature to a "Construction 4.0". Considering, for instance, Offsite Construction, it is clearer how such concept could be realized. Current widespread adoption of BIM helps but is not enough to realize that end, because it is, in general, ...
Abstract: Traditionally, when an engineer wants to use Building Information Model (BIM) on-site to support tasks for construction or maintenance, the common approach is to use a tablet or a notebook to run a BIM viewer, thus requiring manual operation for model manipulation. In addition, the BIM presented through the screen ...
Abstract: Workspaces in a construction project are considered as critical and limited resources. Since the workspace conflicts cause productivity loss and poor quality, construction researchers have been exploring different workspace definitions and solutions to improve the situations. Construction workspace' function can be classified according to the user's needs and characteristics of ...
Abstract: Construction activities require materials or resources to be arranged while planning the route of how these materials or resources can be transported is not a simple process. Traditionally, subcontractors will arrange a daily meeting and negotiate the desired space on site for the next day's resource transporting. However, many of ...
Abstract: The BIM method is perceived as a synonym for the digitalization of the construction industry. The application of this method enables most of all, the consistent and uniform information management and therefore affords a more efficient communication and collaboration environment to all participants in the life cycle of the respective ...
Abstract: Digital Fabrication is an emerging systemic innovation in the architecture, engineering and construction sector. However, the design process for digital fabrication lacks an integrated management process or digital collaboration platform. One reason may be a lack of industry stakeholder needs for such processes and platforms. To explore and facilitate such ...
Abstract: In a centralized air distribution system, the designed ductwork layout impacts the system performance and the construction time and cost. Engineers face various challenges, including spatial limitations, leading them to use assumption-based design methods to balance their design with construction requirements. As a result of this shortcoming, insufficient design details ...
Abstract: Visual facility inspections performed manually are tasks that can be automated. Segmentation of facility image data is one of the automated methods of identifying problems in facilities. However, the machine learning methodology that is mainly used to train the segmentation model requires a large amount of training dataset. Preparing training ...
Abstract: In Japan, earthmoving workers are aging rapidly, and more than one million skilled workers will retire at once in the near future. Thus, the mass retirement of these skilled technicians could bring a significant drop in production capabilities throughout the earthmoving industry. To solve this problem, it is expected that ...
Abstract: Construction robots are devices of increased danger and, under certain conditions, can become a source of injuries to maintenance personnel, as well as lead to the failure of technological equipment. Most of the accidents are associated with the presence of maintenance personnel in the working area during programming, configuration, training, ...
Abstract: In recent years, automation of mining equipment has been required to improve productivity, predictability, and safety of mining operations. Some major mining companies have begun efforts to automate dump trucks that transport overburden and minerals, eliminating the need for human operators, aiming for reducing labor costs, increasing operating hours, and ...
Abstract: The use of robotic systems on construction sites can efficiently reduce construction time and increase safety by replacing construction workers in monotonous or dangerous operations. Robots for on-site construction applications are challenging and difficult to implement because of the evolving and unstructured nature of construction sites, the inherent complexity of ...
Abstract: In the construction of high-rise buildings, the conventional methods for the on-site installation of prefabricated facade modules require considerable manual handling. This unsafe and inefficient practice can be solved through automation. This paper critically reviews automated Unitized Curtain Wall (UCW) installation and discusses opportunities for future development, as found in adjacent ...
Abstract: In Japan's construction industry, techniques of producing complex three-dimensional (3D) formwork at construction sites are conventionally developed using the sophisticated skills of carpenters. Inspie of the development of digital technologies, the production of free-form shapes faces considerable cost and time management risks that require pragmatic solutions. In the efficient building ...
Abstract: Cable path optimization is a commonly encountered problem in industrial construction projects. Numerous designs are technically feasible but are associated with varying construction costs and effort. Hence, selecting the right network is deemed a critical decision. Multiple shortest path algorithms could be deployed to identify the optimal solution. Although they ...
Abstract: An ideal Design-Construction Interface is assumed in the decision making process of initiation and planning. The uniqueness, site conditions and contingencies cannot be envisaged and incorporated in its entirety in all projects. Constructability in resonance to the appropriate technology becomes paramount in deciding the material, structural forms and construction methodology. ...
Abstract: Falls are the leading cause of construction site accidents and made up more than 60 percent of all construction-related deaths in 2018, according to the Korea Occupational Health and Safety Administration (KOSHA). Accordingly, the government conducts intensive management and supervision of scaffolding and scaffolding installation at small sites while inducing ...
Abstract: Traditional project delivery methods are inflexible for projects that require a high level of collaboration among project teams as well as present challenges to innovative design and construction approaches. In today's era, projects are executed at a faster pace at the early stages of scope definition. This causes a high ...
Abstract: The following paper is discussing the potential excavation systems and development of the production tool system of a small-scale mining robot. The limitations of power and weight increase the complexity of the design of the production tools immensely. Each excavation method's efficiency is depending on the material to be excavated, ...
Abstract: Transportation is one of the major contributors in global energy consumption and greenhouse gas emissions. Currently, there are approximately 1.32 billion on-road vehicles around the world, which is expected to be doubled by 2040. This increase has triggered deep concerns over the global issues of climate change and sustainable development. ...
Abstract: Automation of cranes can have a direct impact on the productivity of construction projects. In this paper, we focus on the control of one of the most used cranes, the boom crane. Tower cranes and overhead cranes have been widely studied in the literature, whereas the control of boom cranes ...
Abstract: Path planning, as a primary mission in crane lift planning, has a profound and direct impact on the safe and efficient execution of lift jobs on construction sites. Typically, the main objective of path planning is to find the shortest (or a relatively short) and collision-free path from the load ...
Abstract: Recently, it began the spread of bulldozers using information technology during controlling the machine to increase the efficiency of the entire execution of work, including avoiding the usually necessary final surface treatment. Blade control mechatronic system for leveling work of bulldozer blade enables the bulldozer to effectively perform a ground ...
Abstract: Equipment selection for a construction project is a complex decision making task that impacts the project cost significantly. The literature highlights the increasing focus of recent studies on tower crane (TC) optimization, largely due to the shift from horizontal to vertical construction. Many studies tend to select a single TC ...
Abstract: This research presents the design framework of the artificial intelligent algorithm for an automated building management system. The AI system uses wireless sensor data or IoT (Internet of Things) and user's feedback together. The wireless sensors collect data such as temperature (indoor and outdoor), humidity, light, user occupancy of the ...
Abstract: This paper proposes an IoT-enabled network of low-cost sensors that are co-located for construction site monitoring. The network performance enhancement is achieved via its system dependability in terms of improved availability, integrity, reliability, maintainability, security and safety in real-time monitoring of environment parameters. The sensor motes of various sensing modules ...
Abstract: Cybersecurity threats related to new technologies get little attention until an incident occurs, and vulnerabilities are highlighted. In the case of construction projects, any cyber breach, either malicious or incidental, has the potential to cause significant damage. This varies from unauthorized access of sensitive project information to hijacking construction equipment ...
Abstract: Recently, as technologies combine, AR (Augmen ted Reality)/VR(Virtual Reality)/MR(Mixed Reality) and advanced sensing equipment are being developed. The possibilities of their application to construction fields is likewise increasing. Research into applying these techniques to facility maintenance, manager training, and safety/evacuation training is being actively conducted. In the case of the ...
Abstract: Application of technologies as laser scanning, remote sensors, drones or mobile applications are playing a major role in changing the management procedures of maintenance and operation activities in the roads. Without scarifying the quality of the data, tasks can be performed in less time while maintaining the same level of ...
Abstract: The growth in the size and the level of complexity of construction equipment imposes tremendous hazards in construction sites. Any breakdown or failure of such systems may not only cause the delay in construction but also lead to the loss of life and properties. To address these issues, this paper ...
Abstract: Deterioration models significantly contribute to increasing the efficiency of life-cycle planning for highway assets. Therefore, asset managers strive to maximize the accuracy of such models and intensify the efficacy of the life-cycle plan. Even though nearby assets have been thought to have an impact on each other's conditions, usually, such ...
Abstract: Steel embed plates are a vital component in connecting steel to concrete members. They are most often used in the construction of tilt-wall concrete buildings, but can be used anytime there is a need to attach steel to a concrete panel or slab. Proper anchorage and connection to concrete should ...
Abstract: This paper presents the learning outcomes of the Open InfraBIM and Construction Automation workshop in OuluZone motorsport Center, Finland, during October 2019. Totally of 45 students from the University of Oulu, the Oulu University of Applied Sciences, and the Oulu Vocational College were challenged to build the Speedway track by ...
Abstract: Considerable body of literature exits on automated site data acquisition for tracking and progress reporting of construction operations. While GPS-based solutions have been widely investigated in many studies for outdoor tracking of these operations, indoor tracking proved to be more challenging. This paper focuses on indoor material localization and investigates ...
Abstract: In order to teleoperate excavators remotely, human operators need accurate information of the robot workspace to carry out manipulation tasks accurately and efficiently. Current visualization methods only allow for limited depth perception and situational awareness for the human operator, leading to high cognitive load when operating the robot in confined ...
Abstract: Automation for retrieving relevant contents without human interventions has been considered as an essential task in the construction industry. Computer vision has grasped attention to be employed for providing rich data from the surrounding environment and automation of such critical tasks. Nonetheless, various challenges, including the detection of complicated and ...
Abstract: Construction robots have drawn attention in research and practice for decades. Considering most of the construction robots are not fully automated and humans are always involved in the construction process, how humans and robots collaborate has a great impact on the total productivity. Unlike collaboration systems between human-human, human-device and ...
Abstract: The majority of fatalities and traumatic injuries in heavy industries involve mobile plant and vehicles, often resulting from a lapse of attention or communication. Existing approaches to hazard identification include the use of human spotters, passive reversing cameras, non-differentiating proximity sensors and tag based systems. These approaches either suffer from ...
Abstract: Building assets surveys are cost and time demanding and the majority of current methods still rely on manual procedures. New technologies could be used to support this task. The exploitation of Artificial Intelligence (AI) for the automatic interpretation of data is spreading throughout various application fields. However, a challenge with ...
Abstract: Workers in a construction site may be exposed various hazards and risks and may work with excessive demands beyond their physical abilities. It is important for construction companies to sustain a workforce in the work environment that does not sacrifice worker safety and health and maintains the required productivity. The ...
Abstract: With the development of the construction industry, many problems such as human safety are remaining unsolved. The construction holds the worst safety record compared to other industrial sectors, approximately 88% of accidents are related to workers' safety. The high complexity of the construction site compare to the ordinary living environment ...
Abstract: Accurate information on workers' behavior is important for safety and productivity management on construction sites. In recent years, some methods for estimating construction workers' behavior using sensing data have been proposed to collect the data based on scientific evidence. Due to the limitations of previously proposed methods that usually relied ...
Abstract: Learning by doing creates a marked impact on a trainee's cognitive ability. Technologies such as Virtual Reality (VR), Augmented Reality (AR) etc. aid in developing platforms to enhance the learning experience of users. These technologies can be particularly effective in construction sites which are complex and contain hazards difficult to ...
Abstract: In 2014, a regular inspection of public infrastructure facilities (bridges, etc.) once every five years be-came a legal system. Of the approximately 730,000 bridges nationwide, 530,000 are small-scale bridges with a bridge length of 2-15m. These bridges are often not easily accessible by inspection engineers. Therefore, in this study, for ...
Abstract: In order to ensure the safety of construction workers during the construction process, supervision of violations of safety regulations and control of hazardous situations not recognized by the workers are continuously required. However, due to the dynamic nature of the construction site, the hazardous situation is always changing and there ...
Abstract: In the UK, the railing sector has a large number of ageing masonry bridges that need to be examined every year. The traditional inspection regime consists of visual observation with manually recording the defect information observed on the structure. Previous studies have shown that this method of inspection is not ...
Abstract: In typical heavy industrial construction projects, scaffolding can account for 30% to 40% of the total direct manhours. However, most industrial contractors estimate scaffolding manpower based on a certain percentage of the direct work, which leads to cost increase and schedule delay due to inaccurate estimation. In order to aid ...
Abstract: Concrete bridges are important infrastructures, which thus need effective rehabilitation to maintain good condition. Bridge rehabilitation projects often have tight schedules, multiple participants and constraints, and scattered project information. Thus, improving information integration in these projects can be critical. This research develops a concrete bridge rehabilitation project management ontology (CBRPMO) ...
Abstract: Real-time monitoring of the condition of equipment enhances effective decision-making in terms of machine maintenance and operational efficiency. This study presents a multi-layered system architecture to monitor the real-time health of a sensor-integrated hand-tool. The architecture is designed based on specific components, features, and requirements of each layer. The study ...
Abstract: During the early phases of building design, the architects create many variants and make important decisions about different design aspects and details mostly based on their own experience and know-how. In order to reduce the risks brought by arbitrary decisions, a lot of effort was put into developing simulation tools. ...
Abstract: Construction Site Layout Planning (SLP) is one among the processes that consider decision-making as essential to achieving the desired project performance. In lack of decision support system (DSS), the project planners employ learnings from experience to make decisions that often lead to sub-optimal planning of site, resulting in congestion, safety ...
Abstract: Reusing of the past information and lessons learned helps practitioners in better management of various aspects of construction projects, such as cost estimation, planning, contracting, and design. Measuring the similarity of construction projects improves the efficiency of the existing information systems in retrieval of relevant cases. It was hypothesized that ...
Abstract: Wildfires pose a big threat to human life and property safety. Previous studies on wildfire risk management focused mainly on understanding wildfire behaviour through computer simulations. Effective wildfire risk management also largely depends on the evacuation performance success. Computational tools tend to be the best approach for simulating wildfire evacuation ...
Abstract: Three-dimensional (3D) measurement that captures the state of construction sites is key to promoting ICT-supported construction processes. Structure-from-Motion (SfM) and Multi-View Stereo photogrammetry are the best solutions for small and mid-sized construction companies due to their high portability and low cost. However, efficient creation of high-quality 3D dense models using ...
Abstract: We have been and are doing development and research on construction AI system based on Actor- Critic framework. This paper discusses cyber agents who are computerized agents of mobile entities, which are composed of construction machines, vehicles and workers. Each of the cyber agents would carry with simple function to ...
Abstract: For earthwork, whether or not it will be possible to automatically generate a work plan for construction machinery has become the key to realizing autonomous construction of earthworks. The use of AI is being sought by some researchers for the automatic generation of construction setups. Efforts are being made to utilize ...
Abstract: Studies have shown that early design finalization is important for projects utilizing Off-site Prefabrication and final assembly on site. Freezing engineering design at an early stage has various advantages such as streamlined manufacturing and timely transportation to site as well as timely deployment of adequate resources on site for assembly. ...
Abstract: Modular Integrated Construction (MiC) is an advanced type of modular construction focusing on addressing high-density high-rise buildings and is adopted as a new policy initiative in Hong Kong. Previous studies have examined the potential for using different methods and technologies to support project delivery in offsite and modular construction. However, ...
Abstract: Remicon, an important material constituting the structure of a building, needs an efficient quality management system throughout the entire process from production to delivery, including production management, shipment-transport management, and delivery management, to ensure the required performance by the contractor. Nowadays Remicon factories becoming smart factories and automated form for ...
Abstract: Lending inspiration from the manufacturing industry, industrialized house-builders have adopted some of its characteristics such as high standardization of configurable products and manufacturing processes. Standardization of product and information flow within industrialized house-building has shown to beneficially increase offsite manufacturing efficiency. They have however not been able to transfer the ...
Abstract: IIn the construction industry, there is often a need to identify and localize assets and activities on the jobsite to assess and improve the performance of their associated processes. Traditional methods for monitoring construction activities are costly and time-consuming. Excavators and dump trucks are among the most common assets used ...
Abstract: The construction industry has insufficient utilization of standard work and workload. Generally, scheduling for construction projects follows the common sense of the industry. The sequencing of activity and its duration estimation is highly dependent on the experience of the experts who are assigning them to the project, and it is ...
Abstract: The construction industry has been forever blighted by delay and disruption. To address this problem, this study proposes the Fitzsimmons Method (FM method) to improve the scheduling performance of activities on the Critical Path before the project execution. The proposed FM method integrates Bayesian Networks to estimate the conditional probability ...
Abstract: Although execution is generally the phase during which challenges faced by the construction industry become apparent, it only represents the tip of the iceberg. Execution depends on the effectiveness of construction planning and control ? an area identified by researchers as in need of improvement. Production Strategy is a fundamental ...
Abstract: A majority of safety accidents in construction workplaces stem from workers' unsafe behaviors. Such unsafe behaviors are often caused by "risk habituation," the tendency to underestimate a risk after previous repeated exposure to similar hazardous situations. Understanding the risk habituation process in construction is critical for intervening and preventing the ...
Abstract: Design features that form urban settings such as greenery, height of buildings, and variation in the building façade (materials, color, and proportion) are known to have effects on how people experience environments. As the urban population grows and shifts to urban settings for living (e.g., 82% of people live in ...
Abstract: Productivity and safety are in a trade-off relationship, and the improvement of the safety management system of construction sites is a pressing issue. Therefore, it is important to know and analyze information about incidents at real construction sites. However, it is difficult to gather information about these incidents from workers' ...
Abstract: An Unmanned Aerial Vehicle (UAV), equipped with a Light Detection And Ranging (LiDAR) scanner, can collect high-accuracy point cloud data of facilities in cluttered indoor environment. Recent developments in aerial robotics have demonstrated navigation through designated waypoints, yet little has been investigated on the trajectory to complete a full scan ...
Abstract: Many of Japan's bridges built during the period of high economic growth are deteriorating and require proper maintenance. However, due to the shortage of specialist in the field of civil engineering as well as the declining birthrate and aging population, the current bridge periodic inspection the proximity visual inspection and ...
Abstract: Lean construction (LC) and Building Information Modeling (BIM) support an integrated vision for short cycle plan-do-check-act cycles of planning and control in construction. However, operations control tasks, such as delivery of design information to the field, monitoring, progress evaluation and error detection are still largely manual and thus time-consuming, costly ...
Abstract: Due to limited funds, road authorities around the world are facing challenges related to bridge management and the escalating maintenance requirements of large infrastructure assets. Nowadays, many government organizations have published a variety of data to enable transparency, foster applications, and to satisfy legal obligations. Open governments data like bridge ...
Abstract: Building information modeling (BIM) is a rapidly developing technology used in the construction industry. Many construction companies have implemented BIM into their construction processes for executing various construction management tasks, including four-dimensional (4D) progress simulation and cost control. However, 4D progress simulation has not been simultaneously integrated and compared with ...
Abstract: Logistics management plays an essential role in supporting the primary activities in manufacturing industries. Similarly, in the construction industry, logistics operations are a crucial part that directly influence the construction operations. Construction operations management requires various stakeholders to collaborate through effective communication and prompt information sharing. However, logistics management in ...
Abstract: In recent years, the use of intelligent construction equipment with sensors attached to construction heavy equipment used in civil engineering earth work has become commonplace. Sensors provide a variety of information on construction equipment, and this information is used to control the cutting edge of construction equipment called machine control ...
Abstract: Data sets are often incomplete and low-quality at the end of a construction project. This creates rework or hinders opportunities to use data during future activities of the facility lifecycle (e.g. facility management, renovation, demolition). This research prototypes and evaluates a novel process to use blockchain and smart contracts in ...
Abstract: As the world witnesses the fourth industrial revolution, construction remains a newcomer that lags in its adoption of technological innovations. The information-intensive nature of the construction industry, coupled with its multidisciplinary nature, has pushed construction to enter the era of Big Data and has provided fertile ground for research on ...
Abstract: The construction industry is forecast to grow from its already impressive size to unprecedented new heights. This significant expansion, along with the increased complexity and sophistication of construction projects, has placed more pressure on construction companies to maintain their vitality and grow in the modern market. As the fourth wave ...
Abstract: As climate change increases the frequency and intensity of natural disasters, proactive disaster management is needed to reduce the damage caused by the natural disasters. Existing reports that record the scale, damage, and response of natural disasters can be used as references for proactive disaster management. However, it is labor-intensive ...
Abstract: We obtained various effects about ?Efficiency, Quality, Safety, Improving the work environment and Human resource development' through overall utilization of Information and Communication Technologies (hereinafter referred to as ICTs) in the excavation work and management at Yoneshiro-gawa River, a first-class river. At the topographic surveying stage, we used the UAV and ...
Abstract: In road maintenance, it is necessary to construct an environment that manages 3D data and maintenance information for its effectivity and efficiency. Engineers should be able to use 3D data not only for virtually reviewing the design of a facility, but also for analyzing building operations and performance. Using 3D ...
Abstract: Approximately a half century has passed since the construction of expressways in Japan, and expressways have become decrepit over the decades. In order to ensure safety and security of expressways for the next generation, expressway companies have been carrying out large-scale renewal works of bridges and tunnels (hereinafter collectively the ...
Abstract: The Ministry of Land, Infrastructure, Transport and Tourism (MLIT) is promoting the use of drones and other robots to improve the construction and management processes and improve the efficiency of infrastructure inspections, and is preparing an AI development environment that supports "human judgment." Specifically, MLIT is preparing "teaching data" which ...
Abstract: Plenty of variance lies in the development stage of a typhoon, including its location, direction, and surrounding meteorological conditions. Affected by such numerous contributing factors, it is not always easy for nowaday technology to make accurate typhoon forecasts. The experiences from the past typhoons may provide decision-makers with sufficient information ...
Abstract: Cracks are one of the significant criteria utilized for diagnosing the disintegration of solid structures. Normally, a structural designer with specific information would assess such structures by checking for breaks outwardly, outlining the aftereffects of the examination, and afterward getting ready to investigate information based on their discoveries. A review ...
Abstract: Natural disasters such as bushfires, wildfires, hurricanes, earthquakes, and floods cause significant socioeconomic losses with associated damages to communities. From 2005 to 2014, the worldwide damage caused by disasters has been more than US$1.4 trillion, with 0.7 million deaths and 1.7 billion people affected. In order to reduce the negative ...
Abstract: Payment issues are necessary in the construction industry, often manifested by high levels of arrears and long-term payment delays. An automated payment could be a solution to speed-up the payment process after successful completions. In this paper, a framework is proposed for the automated payment via Building Information Modeling (BIM), ...
Abstract: Based on case studies within the construction industry, the application of location-based construction scheduling and utilizing software-based rule checking has delivered promising research results. We first explain a path on how the lessons from existing work practices can be used in digitalizing construction processes. This includes the objective of describing ...
Abstract: At the beginning of a construction project, cost, time and quality are defined, which must be adhered to throughout the entire construction process. Compared to other industries, risk management in the construction industry is often treated negligently. Risk management is rather an additional documentation task than an effective project management ...
Abstract: In order to dramatically improve the productivity and safety of tunnel construction, we are developing a new construction production system "Shimizu Smart Tunnel". Based on the concept of "Digital Twin", it utilizes data sensing technology and information communication technology to acquire all kinds of data from people, machines and environment ...
Abstract: A long-standing problem in the field of automated reasoning is designing systems that can describe a set of actions (or a plan) that can be expected to allow the system to reach the desired goal. Artificial Intelligence (AI) techniques provide the means to generate plans and to reason with as ...
Abstract: Modern heavy machinery, including mobile cranes, are increasingly equipped with information systems in the form of head-down displays that present supportive information. Due to the physical presence of head-down displays, they are usually placed far away from operators' line of sight, thus the information is unintentionally overlooked. This paper investigated ...
Abstract: The installation of curtain wall modules (CWMs) is a risky activity carried out in the heights and often under unfavorable weather conditions. CWMs are heavy prefabricated walls that are lifted normally with bindings and cranes. High stability is needed while positioning in order not to damage the fragile CWMs. Moreover, ...
Abstract: This research presents a novel method for a data flow that synchronizes building information with the robot map and updates building components to their "as-built" states, in order to facilitate an on-site mobile construction process. Our experiments showcase mobile mapping and localization of a robotic platform featuring segmentation, plane association ...
Abstract: Recently 3D management solution utilizing BIM/CIM is expected for construction and inspection management. Especially for inspection utility, big data such as huge number of inspection pictures and sounds should be managed with location data of taking data and should be taken with high quality and resolution on 3D world. This ...
Abstract: Widespread use of autonomous robots in on-site construction has been limited because it is impractical to preprogram robots to perform quasi-repetitive tasks due to the relatively loose work tolerances and deviations of as-built work from the project design. Robotization of field construction work must thus be conceived as a collaborative ...
Abstract: Delivering energy-efficient buildings or settlements has become a popular topic amongst architects, engineers, and building engineering physicists. There are many methods for improving building energy performances, both for new build projects and for retrofitting existing buildings. However, the construction industry faces some profound challenges to satisfy the increasing demand for ...
Abstract: For thousands of years, the human construction process was mainly done by hand. In an era when automation technology is so mature, although some components of building components can be produced industrially, on-site construction and special component production still require a lot of manpower. But no matter how skilled the ...
Abstract: Exact development progress estimation has been demonstrated to be basic to the accomplishment of a structure venture. The techniques for robotized development progress estimation proposed in past examinations have certain constraints in light of fragmented informational collections. The principle target of this research was to create a precise, basically completely ...
Abstract: Boom cranes are among the most common material handling systems due to their simple design. Some boom cranes also have an auxiliary jib connected to the boom with a flexible joint to enhance the maneuverability and increase the workspace of the crane. Such boom cranes are commonly called knuckle boom ...
Abstract: The overall performance of a life-cycle phase under investigation can be improved if Multi-Design for X (MDFX) techniques design guidelines are applied concurrently. However, the complexity of selecting MDFX techniques at the conceptual and detailed design stages during machine development can increase by uncertain and imprecise knowledge about the MDFX ...
Abstract: Construction workers behaviour is important for safety, health and productivity management. Workers 3D postures are the data foundation of their behaviours. This paper established a preliminary 3D posture dataset of construction tasks and provided a 3D posture estimation method based on 2D joint locations. The results showed that the method ...
Abstract: Real-time activity monitoring is becoming one of the most significant technologies on construction sites because it can be applied to a variety of management problems, such as productivity formula and safety monitoring. However, current monitoring technologies are limited to recognizing postures in an ideal environment rather than dealing with the ...
Abstract: Continuous and robust process planning is contrary to the different goals of project participants in the construction business. The aim of holistic building process management must be to optimize the overall process by streamlining individual processes. Lean management methods are increasingly being used to harmonize building processes. For this purpose, ...
Abstract: Production control, especially lean construction approaches, has necessitated the needs of eliminating waste onsite. Though the collaborative methods such as Location-Based Management System (LBMS) and Last Planner System (LPS) have proven the improvement of productivities, the process of data collection has still remained manual, which could result in inaccuracy and ...
Abstract: This study was performed to identify the theoretical attribution of project type that moderates the impact of project delivery systems on cost performance. Previous studies have used direct relationship analysis to evaluate the project performance (e.g., the relationship between PDS and its cost performance, or the relationship between project type ...
Abstract: Automation and robotics offer significant potential to address some of the challenges faced by facility managers to efficiently operate and maintain indoor building environments. Previous efforts have focused on deploying mobile service robots for scheduled and periodic tasks such as monitoring, inspecting, and collecting data. Localization and navigation are two ...
Abstract: Recent advances in the development of Internet-of-Things (IoT) devices have enabled researchers to apply such on building automation systems (BAS). Especially in existing BAS, one big challenge is the diversity of communication methods. In such systems, gateways are required to connect various devices. However, while there are very few IoT-gateways ...
Abstract: The explosion of high-rise building projects has increased the awareness on the importance of the planning and management of vertical transportation systems (i.e., tower cranes, construction elevators and concrete pumps). Although researchers have made beneficial efforts in several aspects of vertical transportation systems (e.g., optimal design capacities and layouts), the ...
Abstract: Closed circuit television (CCTV) is probably one of the most important technologies that is used by municipalities in order to monitor the structural and operational condition of sewer pipes. To be useful, CCTV video footage needs to be collected according to standards, which make such an operation, time consuming especially ...
Abstract: The arrival of Building Information Modelling (BIM) platforms to the Architecture, Engineering and Construction (AEC) markets and companies has led to a significant increase in efficiency in this economy sector. However, many AEC companies try to implement BIM as a normal or incremental change or improvement in technology rather than ...
Abstract: Detection of design changes is essential for collaboration and version management in the design process of buildings. However, current detection methods based on Building Information Modeling (BIM) usually cause unreliable or meaningless results. This is because most of the current researches look at the question from a data change view, ...
Abstract: Adaptive reuse has the potential to maximize the residual utility and value of existing assets through green design methods such as selective disassembly planning. Studies in the field of selective disassembly for adaptive reuse of buildings are scarce and there is no evidence of established methodologies and/or analysis for the ...
Abstract: In road maintenance, it is necessary to construct an environment that manages three-dimensional data and maintenance information for its effectivity and efficiency. The primary objective of this research is to support road maintenance work using three-dimensional data by combining point cloud data of terrestrial laser scanning and unmanned aerial vehicles ...
Abstract: Industry foundation classes (IFC) is widely accepted as a promising standard for building information modeling (BIM). IFC data can be processed with many open toolkits such as IfcOpenShell and java standard data access interface (JSDAI), which greatly supports BIM research and technology development. However, IFC data is not intuitive and ...
Abstract: The adoption of Building Information Modelling (BIM) has influenced the traditional methods of planning, design, construction and operation of a physical asset. Organizations in Canada have adopted BIM to improve designs, foster stakeholder collaboration, and facilitate construction processes. To understand the extent of BIM adoption and implementation in the industry, ...
Abstract: A common problem when operating heavy hydraulic machines consists in low-frequency resonance phenomena that significantly limit the bandwidth of the closed loop position control. The interest in this topic is further motivated by the fact that the usage of traditional dynamic models of hydraulic actuators usually leads to the identification ...
Abstract: Modularization in construction involves erection of large and heavy prefabricated modules at the job site. Modules, especially in industrial plants, are required to be lifted without any tilted angles vertically and horizontally to prevent applying bending moments to the lifting lugs and structural components. Configuration of rigging elements, which are ...
Abstract: As construction projects become larger and more complex and the amount of information increases, the necessity of introducing BIM becomes bigger and the importance of BIM-based drawing extraction is also increasing. In particular, the construction document (CD) stage draws and documents the subjects determined from the project planning stage so ...
Abstract: Automated construction involves complex interactions between machines and humans. Unless all possible scenarios involving construction and equipment are carefully evaluated, it may lead to failure of the structure or may cause severe accidents. Hence monitoring of automated construction is very important and sensors should be deployed for obtaining information about ...
Abstract: Digitization and automation in construction are increasing particularly due to the establishment of Building Information Modelling (BIM). The models of BIM contain geometric as well as semantic information. The level of abstraction ranges from coarse models up to detailed modeled technical components of the buildings. So far, BIM has been ...
Abstract: IoT based platforms are enhancing decision-making capabilities in many sectors. The impact of IoT in construction has not been significant because of the unstructured nature of the process and the project-based approach to construction. Further, the technology platforms available today do not support high data flow from distributed locations as ...
Abstract: Machine Learning Algorithms (ML) offer a high potential with low manual effort to discover appropriate energy efficiency measures for buildings. Although many building automation systems (BAS) record a high amount of data, technical systems such as boilers provide only a few data points per building. However, machine-learning algorithms require training ...
Abstract: The worlds population is aging at an unprecedented pace. Aging society is not only a severe crisis in the developed world such as Germany and Japan, but also a rigorous challenge in emerging economies such as China. Many age-related diseases are fostered by the lack of physical, cognitive, and social ...
Abstract: To increase the energy efficiency of building energy systems, many control strategies have been investigated in recent years. Researchers apply control strategies to different building energy systems in order to evaluate their performance. However, the scientific community lacks a commonly accepted reference building model and evaluation criteria. In this paper, we ...
Abstract: A common problem when operating heavy hydraulic machines consists in the inability of performing accurate motion. In the last few years the development of non-linear control techniques and the production of increasingly more accurate and cheaper hydraulic drives induced a steadily growing interest towards the development of controlled hydraulic systems. ...
Abstract: We present a roadmap for guiding public officials on establishing platforms for citizen empowerment in the smart city. The proposed roadmap is not a technical architecture. Rather, a set of paradigms, guidelines and references to advanced technology approaches that can support building a technical architecture. We start from the perspective ...
Abstract: Infrared Thermography (IRT) is a widely used non-destructive method for energy audits. However, plenty of research indicates that the performance of passive thermography is influenced by the method of data collection. Unmanned Aircraft Systems (UAS) has been successfully employed for conducting RGB photogrammetry, but the data collected from an infrared ...
Abstract: Interest in integrating E-construction in highway construction projects has increased in recent years due to reductions in staffing and resources across Departments of Transportation (DOTs) and initiatives from the Federal Highway Administration (FHWA). Specifically, the addition of e-construction methods offers a boost in efficiency and safety in highway resurfacing jobs. ...
Abstract: The development and implementation of risk response strategies contributes to effective risk management processes in construction organizations. Risk response strategies need to be developed and implemented as follows: first, all possible risk responses for each given risk event of a project are identified; next, each risk response is evaluated to ...
Abstract: Statistical reports point to the fact that civil infrastructure projects remain hazardous working environments. Despite the implementation of various safety procedures, the frequency and cost of work-related injuries are significant. Improvements in sensor technologies, wireless communication and processing power of computers as well as advancements in machine learning and computer ...
Abstract: Disruptive technologies offer avenues to significantly improve the performance of construction project delivery. While the construction industry is often labeled as conservative and unimaginative with regard to technology adoption, significant strides have been made in recent years specifically, the use of Building Information Modeling (BIM) for information storage, distribution ...
Abstract: This research aims to explore the effectiveness of chatbot system for highly-complex data management. With the growing popularity of mobile devices, the conversational information technology (IT) service, such as chatbot, has permeated into our daily life. Conversation-based systems are now widely utilized for helping the user to access the data ...
Abstract: Safety improvement in construction remains a high priority due to the significant rate of accidents compared to other industries. Despite the ongoing multitude of safety studies and policy recommendations concerning the high rate of injuries and casualties in construction, the extent of damage sustained is still significant. Major research studies ...
Abstract: With the emergence of 3D technologies in a recent decade, BIM software makes it easy to detect those conflicts in the early stage of a project. Clash detection in BIM software is now a common task. Among those conflicts found by BIM software, however, a relatively high percentage belongs to ...
Abstract: The retrieval of as-is information for existing buildings is a prerequisite for effectively operating facilities, through the creation or updating of Building/Asset Information Models (BIM/AIM), or Digital Twins. At present, many studies focus on the capture of geometry for the modelling of primary components, overlooking the fact that many recurring ...
Abstract: Managing digital information in construction is commonly described through Building Information Modelling (BIM), which advocates seamless chains of information, increased coordination between different actors and a life-cycle perspective on information management. However, low adoption outside the design phase entails that handling information in production is in many cases manual and ...
Abstract: Kinetic facades are dynamic building surfaces that manage light, ventilation, energy, or information. The programming of Kinetic facades require a vast technical expertise of building systems, materials and computer devices and constant alteration of models to examine till the desire purpose of the kinetic façade is achieved. There heavy dependence ...
Abstract: Today, with the development of technology, various buildings can be constructed in the field of architecture, and the size and complexity of construction are increasing, and the life cycle of buildings is also increasing. As a result, the importance of technology and systems that can maintain and manage not only ...
Abstract: It is known that process simulation is a feasible solution to deal with real-world complexities and problems. Civil infrastructure in particular, is a complex system that can benefit from process simulation. This paper provides a critical overview of different simulation modelling paradigms used in construction to achieve better system performance. ...
Abstract: Site layout planning (SLP) is categorized as a non-deterministic polynomial time (NP) hard or complete class problem. Inefficient SLP can lead to congestion, safety conflicts and productivity reductions. Significant attention to the problem is evident in the field of construction management. A number of optimization routines and mathematical models are ...
Abstract: This paper aims to propose an approach to inferring relevant BIM objects using techniques for recognition of design attributes and calculation of visual similarity using a deep convolutional neural network. Main objective is a visual-input based modelling approach to the automated building and interior design, and this paper represents a ...
Abstract: Indoor environment monitor and control are important aspects of reducing building energy consumption and maintaining occupants visual and thermal comforts. Previous research showed that the lots of buildings were not able to provide designed service level in the daily operation and the feedback from occupants showed that the predetermined service ...
Abstract: This paper presents an approach to classifying spatial categories of space objects using their textual properties in IFC data. As a standardized data format of building information, IFC enhances the data interoperability between the heterogeneous domain software. However, there are some problems that required information is omitted due to the ...
Abstract: Commissioning (Cx) of heating, ventilating, air conditioning (HVAC) systems has emerged as an effective sustainable practice to ensure high performance of these systems during operation. According to a DOE report, HVAC systems used 62% of the energy consumed by buildings in the US in 2011. It was also reported that ...
Abstract: Consistently updating, analyzing, and managing construction-related information is one of the key success factors in project management. Quite a few construction projects have recently started to utilize instant messaging (IM) applications such as Slack, WhatsApp, and WeChat as a communication channel among project participants to share daily construction information due ...
Abstract: Conventional demolition approaches of razing a building at the end of its life-cycle generate a large amount of mingled debris, which is difficult to reuse and recycle. Compared to demolition, deconstruction involves disassembling a building systematically and it is a more environmentally friendly alternative. Recent research studies have focused on ...
Abstract: Large construction projects generate thousands of documents that require a careful management. The classification of documents is an important step in document management and control. Construction documents are generated in different formats, many of which are unstructured and contain drawings and images, which makes the task of document classification and ...
Abstract: Emergency management can benefit from advanced information and communication technology (ICT), since it can support officers in charge of emergency management to deal with urgent decision within a really short deadline. Further enhancement can derive from the application of holonic systems, which typically deal with the unexpected. In fact, unexpected ...
Abstract: Robot assisted construction processes in the architectural domain which include assembly are uncommon due the size difference of the robot with respect the scale of the output. In order to extend the workspace of industrial robots, these can be mounted on top of a mobile platform. However industrial mobile robotics ...
Abstract: Safety in the construction industry remains a major challenge despite the technological advancements made in recent years. In recent years, ontologies are applied to give a formal structure to the knowledge in different domains. Ontologies also facilitate the integration of various domain knowledge and thus allow for better cross-functional developments ...
Abstract: An essential component of effective safety management systems is the identification and proactive mitigation of hazards through the completion of job hazard assessment (JHA). Aimed at identifying potential hazards and subsequently implementing controls that reduce the likelihood or severity of incidents, JHA is a manual process influenced by the experiences, ...
Abstract: Proactive approaches designed to prevent incidents before they occur are essential for achieving effective safety management. Emerging as an important component of proactive safety management, leading indicators are used to assess and control safety performance. With the aim of reducing the number or severity of worksite accidents, methods capable of ...
Abstract: Media age has seen a huge amount of data flowing in from all directions, be it online news sources, social media, technical documents, and many more. There is a huge scope of these data sources for utilization in the transportation sector that can potentially improve the current practice of transportation ...
Abstract: Although minor overflows do not cause a huge amount of loss; as the number of such overflows increases, the amount of water wasted, and the compound consequent challenges become considerable. Therefore, detecting overflows, investigating their cause root and resolving them in a timely manner are among new needs for infrastructure ...
Abstract: Reusing knowledge from past projects is a critical task in construction, given the increasing complexity in such projects: numerous stakeholders, a multi-disciplinary domain, and multi-objectives besides the traditional ones such as cost and schedule. Unstructured data, such as progress reports and minutes, is a rich source of knowledge that can ...
Abstract: The characteristics of dynamic construction sites increase the difficulty of collecting the high-quality geometric data necessary to achieve construction management activities. This paper introduces a new autonomous framework for 3D geometric data collection in a dynamic cluttered environment using an unmanned ground vehicle (UGV) and an unmanned aerial vehicle (UAV). This method first deploys UAV to collect photo ...
Abstract: Well-coordinated construction site logistics are important for the efficient assembly of large-scale plants. Delays in logistics have a negative impact on assembly processes and vice versa. Incorrect storage or improper transport can lead to damage to the sensitive plant components. All relevant logistical constraints must therefore be systematically analyzed, assessed ...
Abstract: The Triple Bottom Line (TBL) framework defined by Elkington in 1998 [1] proposed three aspects of sustainability: economical, environmental and social. However, several researchers have observed that further studies are needed to guide people and companies on how to achieve sustainable development. Specifically, many gaps are found in trying to ...
Abstract: Building Information Modeling (BIM) is a methodology to digitally represent all the physical and functional characteristics of a building. Importantly, in smart buildings smart components that are enabled with sensing and actuation need to be modeled accurately within the BIM model. This data representation needs to include multiple status of ...
Abstract: Semantic segmentation of closed-circuit television (CCTV) images can facilitate automatic severity assessment of sewer pipe defects by assigning defect labels to each pixel in the image, from which defect types, locations and geometric information can be obtained. In this study, a deep convolutional neural network (CNN), namely DilaSeg, is developed ...
Abstract: In this study, we propose information exchange process for the effective integration of building information modeling (BIM) into an augmented reality (AR)-based smart facilities maintenance (SFM) system. The proposed SFM system refers to a system that combines technologies such as AR and IoT sensors in the field maintenance work. This ...
Abstract: On a construction site, progress deviations can cause fatal damages to the project and stakeholders. Therefore, accurately monitoring and managing the construction environment is essential. Efficiently detecting and recognizing the changes will be the key factor for monitor and management goals. In this research, we present a framework for detecting ...
Abstract: Indoor localization and navigation of unmanned aerial vehicles (UAVs) is a critical function for autonomous flight and automated visual inspection of construction elements in continuously changing construction environments. The key challenge for indoor localization and navigation is that the global positioning system (GPS) signal is not sufficiently reliable for state ...
Abstract: Recently, the integration of Building Information Modeling (BIM) technology and Virtual and Augmented Reality (VR/AR) technologies during the operation and maintenance phase has been increasingly adopted. There has also been a surge of interest in the exploitation of Internet of Things (IoT) for constructed facilities, in the form of ...
Abstract: Images acquired by UAV can be analyzed for resource management on construction sites. However, analyzing the construction site images acquired by UAV is difficult due to the characteristics of UAV images and construction site images. This paper proposes an image augmentation method to improve the performance of an object detection ...
Abstract: The modular construction technique is the one key technology that can substantially advance the competitiveness of the construction industry. However, the industry is having difficulty creating an optimum environment for broader and more effective use of modularization due to one key barrier: implementing a modular construction technique, that is, shipping ...
Abstract: In the Japanese construction industry, it is predicted that during the next ten years, more than a million veteran technicians will retire, and a sudden shortage of experienced technicians will be inevitable. One way of countering this problem now being considered is the use of robotics technology to support inexperienced ...
Abstract: The application of robotics in the construction industry has been growing recently. However, it suffers from the lack of construction dedicated systems. The industry is characterised largely by designers and researchers scrambling to adapt systems from other industries and trying to apply them to the construction industry. In the application ...
Abstract: Crane operators fatigue is one of the significant constraints should be monitored. Otherwise, it may lead to inefficient crane operations and safety issues. Recently, many deep neural networks have been developed for fatigue monitoring of vehicle drivers by processing the image or video data. However, the challenge is to distinguish ...
Abstract: As modular construction becomes popular, an increasing number of products are prefabricated in an offsite construction environment. While improving the productivity and efficiency of construction-oriented production, it also raises the complexity of process planning. Although the specifications of a product are fully defined by Building Information Models (BIM), no information ...
Abstract: Microbial corrosion of concrete is a severe problem that significantly reduces the service life of underground sewers in countries around the globe. Therefore, water utilities are actively looking for in-situ sensors that can quantify the biologically induced concrete corrosion levels, in order to carry out preventive maintenance before any catastrophic failures. As a solution, this paper ...
Abstract: Construction monitoring plays a vital role in modular construction practice, since faulty installation of individual parts could incur significant delays and extra cost to the project, modular construction eagerly requires a real time progress monitoring. Previous researchers tended to get as-built site data back at first, like making cloud points ...
Abstract: This paper details the development of an open-source eye- and gaze-tracking mechanism designed for open, scalable, and decentralized Active and Assisted Living (AAL) ecosystems built on Wireless Sensor and Actuator Networks (WSANs). Said mechanism is deliberately conceived as yet another service-feature in an on-going implementation of an extended intelligent built-environment ...
Abstract: Various image-based building object recognition approaches have been developed to create as-is Building Information Models (BIMs) of existing buildings. However, existing approaches generally rely on human-designed features to automatically or semi-automatically recognize building objects, which makes them sensitive to input images and difficult to extend to new building objects. Furthermore, ...
Abstract: With increased computing power to render 3D models and affordability of as-built data acquisition technologies, new techniques for enhancing the quality of pre-project planning of adaptive reuse projects can be investigated. The main objective of this research is to present a decision making methodology to select the optimum effort using ...
Abstract: Building Information Modeling (BIM) covers the whole lifecycle of a building and facilitates the coordination of activities in the design, construction, and operation stages. However, during the design stages of pre-construction, it is time-consuming for a BIM project team to resolve design clashes as they integrate models finished by individual ...
Abstract: Automation in construction manufacturing is becoming increasingly common due to the drive for higher productivity and increased quality. One important consideration in the implementation of automation is the training and maintenance of the equipment. This study proposes an approach to assess the training for assembly/disassembly and maintenance of machines developed ...
Abstract: Rebar engineering is a construction method for building structures that is critical to the earthquake resistance of the entire building. The construction process and quality of rebar have always been valued by the construction industry, and it is imperative to improve the quality of reinforcement construction to reduce injuries. In ...
Abstract: Currently, numerous approaches to Indoor Positioning Systems (IPSs), such as RSSI (Received Signal Strength Indication), fingerprint, PDR (Pedestrian Dead-Reckoning), and image recognition, have been developed. But each individual positioning method has unique drawbacks. In this study, we provide an IPS with a novel combined positioning method that applies Building Information ...
Abstract: This study describes a simple head mounted display(HMD) viewing system for an unmanned construction system(UCS) and an assessment of the work efficiency using the HMD system. The deployment of a UCS is a significant problem because majority of the construction machines are not compatible with remote operation. In this study, focusing ...
Abstract: Governments are always looking to monitor safety violations on construction sites. Those violations are not only causing numerous injuries and deaths to workers but also delays and subsequently costs to the project developers. In the hierarchy of control, personal protective equipment (PPE), albeit the least effective, is still one of ...
Abstract: Achieving high energy-efficient building designs requires conducting energy analyses iteratively starting from the conceptual stage to ensure suitable selection of building components to meet energy performance requirements. In recent years, advanced BIM capabilities have allowed designers to assimilate design and energy modeling processes geared towards improving productivity. However, there are ...
Abstract: The overall performance of a life-cycle phase under investigation can be improved if Multi-Design for X (MDFX) techniques design guidelines are applied concurrently. However, the complexity of selecting MDFX techniques at the conceptual and detailed design stages during machine development can increase by uncertain and imprecise knowledge about the MDFX ...
Abstract: LiDAR (Light Detection and Ranging) emerges as a mapping technology that provides fast, accurate, and reliable data with geometric representation of construction facilities. The technology has received high recognition especially since the importance of digital transformation in construction projects has been emphasized. However, the current state of 3D technologies including ...
Abstract: The design of rebar in reinforced concrete (RC) structures is a mandatory stage in building construction projects. Due to the large number and complicated arrangement rules of rebar in each design code, it is impractical, labor-intensive and error-prone for designers to avoid all clashes (i.e., collisions and congestion) manually or ...
Abstract: The localization of a robot is a crucial part of any task that involves the mobile manipulation of objects. The precise repositioning of a mobile robot within the workspace is particularly important for on-site construction in situations where the operating area is much larger than the reach of the robot ...
Abstract: Selection of appropriate project delivery system is key for project success. It also gains much importance in a fast developing economy like India where there is a greater emphasis on development of housing and infrastructure involving huge investments. The present practices of project delivery led to inefficiency and distrust among ...
Abstract: The consumption of fossil fuels by on-road vehicles is a main source of air pollution specifically greenhouse gases (GHGs) worldwide. The construction industry, due to the use of a large number of heavy-duty equipment including haulage trucks, contributes to a significant amount of fuel consumption and consequent emissions production. Due ...
Abstract: Importance has been placed on improving productivity at construction sites in a recent year, reducing bitterness and repetitive work, and improving the e?ciency of inspec- tion and management work. Since buildings usually have a unique shape, e?ciency improvement methods used in mass production plants had not been able to be ...
Abstract: Injuries and fatalities resulting from workplace accidents remain a global concern within the construction industry. While education and training of personnel offer well known approaches for establishing a safe work environment, Serious Games in Virtual Reality (VR) is being increasingly investigated as a complementary approach for learning. They yet have ...
Abstract: It is well documented that Building Information Modeling (BIM) can significantly improve project performance and productivity. Although the construction phase typically involves in the largest part of financial cost during the project life, insufficient attention has been paid in academia to quantitatively address the impact of BIM on labor productivity. ...
Abstract: Simultaneous evacuation is the most widely used evacuation strategy in buildings. However, there are other evacuation strategies that might lead to safer outcomes if selected appropriately. Different forms of evacuation result from applying time delays to phased evacuation or altering path planning. The best strategy for evacuation depends on the ...
Abstract: This paper presents the initial planning phase results of excavator automation in the SmartBooms research project funded by Business Finland. Automation control is a key factor for the earth construction industry. Automation of excavators enables increased productivity and accurate adjustment of the digging work process, especially in depth control, which ...
Abstract: In a dynamic construction site, sound generated by work activities and equipment operations is one of vital field data indicating construction progress, work performance, and safety issues. However, because of an enormous number of construction work types, accurate sound classification is currently limited. To address this challenge, this study proposes ...
Abstract: Drawbacks of the absence of the flow view in the conventional construction logistics planning gain more attention. Inefficiency and wastes (e.g., on-site overstock) in the construction logistics caused by adopting an avoidance strategy is recognized. Meanwhile, the unstable labour productivity and periodic planning method cause difficulties for adopting Just-in-Time (JIT) ...
Abstract: The integration of design and construction processes remains, after decades of dedicated research, a great challenge. Even considering the specific context of pre-fabrication and modularization, it was just in recent years, with increasing adoption of Building Information Modeling (BIM) processes, that the challenge, albeit in a virtual environment, begins to ...
Abstract: Recent research efforts have shown that human thermophysiological features could play a crucial role in inferring occupants thermal comfort, which is required for comfort-aware heating, ventilation, and air conditioning (HVAC) operation. Our previous studies have demonstrated that variations of respiration, a representative human thermophysiological feature, can be non-intrusively quantified by ...
Abstract: Automation of the code compliance checking has been explored extensively, particularly in recent years with the emergence of building information modelling (BIM). Still, automated code compliance checking has not yet been fully realized, as there is no standardized method for rule interpretation and building model preparation for code compliance. Manual ...
Abstract: Schedule assessment models were created to ensure the proper development of a schedule. The checks can be categorized into scheduling-related and constructability reviews. Most of the existing automated models are targeted towards two-dimensional schedules, and not nth-dimensional, despite the emergence of building information modelling in the construction industry. The ...
Abstract: Architectural, Engineering, Construction (AEC) and Facility Management (FM) industry rely on varied expertise to achieve a highly successful project. The industry professionals in these fields require greater level of collaboration in managing the expectation of a project success. When every individual in the team uses different BIM software, it becomes ...
Abstract: During construction, digital terrain models based on images from unmanned aerial vehicles (UAVs) are useful, as they rapidly provide data for objective volume calculations that can be used to monitor in-progress earthworks. As many curved objects are present on construction sites and as construction materials and equipment can provide partial ...
Abstract: The construction industry has been suffering from both low labor productivity growth and safety issues, due to the increasing project site complexities and the lack of skilled labors. As a potential technical solution, Augmented Reality (AR) has been studied to reduce the cognitive workloads in construction job sites by visualizing task-related information in the direct context ...
Abstract: Over the last few decades, the investments in more complicated construction projects, involving multiple disciplines and different teams, have increased the need for more complex communication means. The purpose of communication methods is to ensure higher levels of coordination between project participants (owners, architects, engineers, contractors, suppliers, etc.). Adequate communication ...
Abstract: The type and quantities of formwork system are necessary information for construction process of a concrete-framed building and the solution to this problem usually lays on the shoulders of specialized consulting firms or contractor's engineering department. These calculations are generally performed using available procedures and guidelines. The conventional formwork design ...
Abstract: Construction sites require many efforts to be well organized due to the complicated tasks and various construction machines. Recently, computer vision technology has gained success in the construction research field. By deploying single or multiple cameras, we can extract construction information from videos and then help the project manager to ...
Abstract: Laser scanning-based techniques have been applied for checking the dimensional tolerances of concrete elements. Several studies utilized Terrestrial Laser Scanning (TLS) for measuring concrete floor waviness. The results of those efforts have shown that accurate floor waviness information can be obtained using TLS. Unmanned Aerial Vehicles (UAVs) mounted with cameras ...
Abstract: Remote building information modeling (BIM) model review collaboration is the trend in the architecture, engineering, and construction (AEC) industry. Virtual communication environment is a key factor in a successful collaboration. However, the proper environment has yet to be fully revealed. Therefore, this study aims to identify the effective environment. We ...
Abstract: Many project managers and researchers have emphasized the importance of considering uncertainty in the scheduling of EPC projects, and perform stochastic analysis when preparing a schedule to reflect uncertainties of duration for project activities. In this case, the uncertainty of the individual activity duration is treated as probabilistic variables, and ...
Abstract: In the operations and maintenance (O&M) stage of a building, thermal comfort and acoustic comfort are essential for the health and productivity of occupants. There are many complaints about the indoor human comfort in office buildings due to inappropriate indoor temperature or noise. Building information modeling (BIM) technology is an ...
Abstract: A vehicle-mounted video camera, which is one of low-cost off-the-shelf devices, can be used economically for pavement crack monitoring. The pavement frames obtained by the video camera can be merged to form a mosaic image, from which road distress information can be extracted. However, quality of crack detection in the ...
Abstract: This paper is sharing an on-going project about the design of a software package, tentatively coined as RS4B, for the builders of modularized construction. The shortage of labour resources and safety awareness issues have become the emerging problems in the construction industry. As the price of robots gradually decreases within ...
Abstract: Crane simulations are necessary for selecting a proper type of crane for an erection task in a construction project. However, simulating the motion of a specific crane is hardly realized because modelling a specific crane is complex. Thus, by taking advantage of a robot arm with multiple degrees of freedom, ...
Abstract: The purpose of this paper is to classify the level of formation of the bid price by using the type of uncertainty inherent in the bid document as a variable. To this end, the research examined the factors of the project related to the bid price presented in the previous ...
Abstract: A construction contract facilitates payments through the supply chain by integrating people, activities, and events throughout the project period through obligations, permissions, and prohibitions in its terms and conditions. The management of payments is a manual process and is more difficult in the case of construction projects as different stakeholders ...
Abstract: This paper proposes a cloud-based data management framework that integrates open data from the government and monitoring data from construction site sensors. The integrated data can be consumed by artificial intelligence for smart construction project management, e.g. schedule control, resource arrangement and workers safety. The framework includes two major parts: ...
Abstract: Thanks to the digital representations provided through Building Information Modeling (BIM), successful adoption of emerging digital technologies have been increasingly reported within the constriction and facility management research community. On the other hand, the number of research studies exploiting the principles of the Internet of Things (IoT) to enhance automation ...
Abstract: Preventing natural disasters from causing substantial social-economic damages relies heavily on the disaster resilience of the nations critical infrastructure. According to the National Academy of Sciences, research on understanding and analyzing the disaster resilience of our infrastructure systems is a national imperative. To address this need, this paper proposes an ...
Abstract: In recent years, researchers have relied heavily on data (historical and real-time) and digital solutions to support informed decisions. Consequently, data analysis has become an integral part of the design and construction process. Researchers spend a tremendous amount of time cleaning, organizing, and understanding the data. Artificial Intelligence (AI) can ...
Abstract: Rebar inspection plays an essential role during construction phases to assure the safety of the construction. Usually, inspectors use 2D drawings and tape measures to inspect rebars. However, the effectiveness of the inspection is greatly hindered by indirect three-dimensional information in 2D drawings and visual obstruction of measuring by rebars, ...
Abstract: Temporary structures are used during construction and removed after construction. It is necessary to inspect these structures in terms of quality and stability in an automated manner. However, the storage and sharing of inspection data of temporary structures is a problem because most of them have not been included in ...
Abstract: Designing a building, so that it adheres to all the relevant applicable constraints imposed by construction codes to cultural preferences to the owners styles and aesthetics, can be a daunting task, requiring many laborious hours of review and modification. Given the increasing adoption of Building Information Modeling (BIM) in the ...
Abstract: The monitoring technique by combination of the measurement method with the fine precision of the sensor collecting the satellite-based information that can determine the displacement space, is available to a variety of diagnostic information. The measurement method by a GNSS with the sensors is being requested. The progress of natural ...
Abstract: Tracking and monitoring resources in construction is of great interest to an industry that is in the pursuit of continuous improvement. Real-time location sensing technology like Global Navigation Satellite Systems (GNSS) and (or in combination with) Radio Frequency Identification (RFID) have already been introduced in commercial applications to report the ...
Abstract: Efforts to integrate construction planning have thus far focused on the interoperability of models and computer applications. However, merely linking different models, e.g. design and schedule, while useful, necessarily restricts planners to an iterative improvement of plans. This research defines a single integrated mathematical model with singularity functions ...
Abstract: The application of BIM and data analytics in facility management is an area of growing interest and research. The ability to mine data from occupant complaints in real-time and visualize this at the building and building cluster scale provides new opportunities for facility managers to more effectively respond to occupant ...
Abstract: Building Information Modeling (BIM) as a new method presents a number of opportunities and challenges for the architectural, engineering and construction (AEC) industry. Obviously, there are many issues in the way of implementing BIM. Some of these issues have been largely eliminated over time and by the advancement of related ...
Abstract: Temporary construction structures (TCSs), such as formwork and scaffolding, attract a lot of attention due to their impact on the schedule and cost of construction projects. In many cases, the determination of the consumption (i.e., labor, materials, and equipment) of TCSs is a complex process subject to errors. This paper ...
Abstract: Railway infrastructure projects provide required physical and organizational facilities for transportation networks. Production flows in railway construction are complex especially when a hybrid of on - site and off - site processes is in progress. With railway projects still experiencing budget and time overruns, there is need to re-examine production ...
Abstract: Unmanned Aerial Vehicles (UAVs) have opened a wide range of opportunities and applications in different sectors including construction. Such applications include: 3D mapping from 2D images and video footage, automated site inspection, and performance monitoring. All of the above-mentioned applications perform well outdoors where GPS is quite reliable for localization ...
Abstract: The Indoor Environmental Quality (IEQ) in a building affects occupants well-being and productivity. Traditionally, models are developed to predict IEQ satisfaction from physical measurements. These approaches work fine in a laboratory environment but tend to fail in real-world applications. Recent work focuses on collecting direct human feedback on IEQ. However, ...
Abstract: Checking conformance of construction management practices to practice specifications is typically performed manually by experts in the Engineering and Construction (E&C) sector. Though conformance checking is known to increase performance of a project, this process takes considerable time as several professionals have to go through thousands of pages of documents, ...
Abstract: Masonry structures in historical sites are deteriorating due to ageing and man-made activities. Regular inspection and maintenance work is required to ensure the structural integrity of historic structures. The inspection work is typically carried out by visual inspection, which is costly and laborious, and yields to subjective results. In this ...
Abstract: In this study, a sound analysis-based detection and reporting system for accidents that occur during concrete pouring is proposed. First, the process of the existing monitoring system was examined and problems were noted, and studies and technical approaches to sound analysis were analyzed. Pouring sound samples were then collected from ...
Abstract: Facility maintenance tasks require extensive historical data and information to be stored, retrieved and managed. Although several mobile- based devices have been proposed to access the maintenance information from three -dimension (3D) building information model (BIM) environment, these devices are deficient in simultaneously updating the maintenance information both in the ...
Abstract: Building Information Modelling (BIM) and Internet-based tools are communication aids. During the product and process design phase partners must coordinate, cooperate and collaborate with stakeholders. Creative and collaborative work is necessary in order to create value for the end consumer and society and to develop smart buildings. Forth is type ...
Abstract: Despite its documented success, the use of Building Information Modelling (BIM) continues to raise questions related to its implementation at an institutional level. Therefore, several institutions have produced guidelines specific to BIM to communicate their expectations in regard to BIM in their projects. However, such guidelines do not exist among ...
Abstract: The building information modelling (BIM) approach, which is utilized to retain information in a digital format, facilitates easy information updating and transfer in the three-dimensional (3D) CAD environment. When the application of BIM models are adopted in the project, the inspection and the inspection and modification records of BIM models ...
Abstract: Field engineers take and collect several pictures from construction sites every day, and these pictures serve as records of a project. However, many of these images are loaded to and remain on computers in an unorganized manner because tagging, renaming, and organizing them is a time - consuming process. This ...
Abstract: There is a necessity to expand the supply apartment houses for the vulnerable classes. In addition, it is required to manage the assets for public rental housing to improve economic efficiency, such as improving the residential environment to prevent the surge of maintenance expenses due to deterioration. Therefore, it is ...
Abstract: Building Information Modelling (BIM) has been indicated as the right tool to provide the construction industry with the productivity boost that has been lacking in the last 40 years. This momentum finds its highest fulfilment in the support provided by BIM models to knowledge management and the automation of process. ...
Abstract: This contribution aims to increase quality level of organization applying the EFQM (European Foundation for Quality Management) excellence model. It provides analysis of current quality management trends, defines EFQM model structure a criteria and possibilities of its introduction in construction companies all over the world. The purpose of this contribution ...
Abstract: In Japan, deterioration of many tunnels and bridges have become a serious problem. Moreover, engineers that manage them are insufficient due to aging. Therefore, we developed an under-actuated hammering robot that can imitate hammering sounds of inspection workers. When we use this robot, workers can detect concrete defects by using ...
Abstract: Product development for commercial façade systems is a complex procedure. Since the Grenfell Tower disaster in London in June 2017, the import, use and sale of polyethylene core Aluminum Composite Panels (ACP) has been reduced. This encourages research on development of new façade systems using advanced production techniques such as ...
Abstract: Robotic systems are increasingly becoming a relevant factor for so-called "made to order" production, as is the case in the construction industry. The aim of this contribution is to provide a basis for a cross-disciplinary discussion on the topic of robotics in the construction industry, in which both technical issues ...
Abstract: Tracking design completeness during the early phases of complex construction projects is a vital need for project participants to measure their progress. It is also a challenge, because design completeness depends on both geometric details and engineering information related to the model. Tracking level of development (LOD) of the designed ...
Abstract: Automation of construction is urgent needs for improving efficiency of works, reducing the number of personnel, and working in extreme environments such as other planet or moon or disaster-stricken area. However, the current situation is still insufficient due to reasons of such complexity of work and high risk especially at ...
Abstract: Temporary work is about 10% of the total construction cost, and affects completeness of a building since it is directly related to the quality of building. However, BIM-based design of temporary work is used as a complement to the 2D design. Furthermore, the inspection and evaluation of temporary facility is ...
Abstract: In recent years, considerable concern has arisen over the application of Building Information Modeling (BIM). BIM has been widely utilized for solving the drawbacks of traditional preliminary cost estimation by creating a cost-estimation model. However, since the function of structural analysis and design in BIM is still in its developing ...
Abstract: This research aims to develop a knowledge base for a disaster management question-answering dialogue system. The rapid growth of the amount of data has led to the variance of data in terms of their formats, sources, and attributes. Hence, the difficulties of decision makers to accomplish their missions accurately and ...
Abstract: The marking robot has been developed for the purpose of streamlining marking operations at power plant construction sites and accelerating equipment installation work. This robot can draw line segments with accuracy of 1 mm or less on floors and walls of the construction site in cooperation with a three-dimensional measuring ...
Abstract: Off-site construction has undergone a rapid development driven by their favorable characteristics, such as fast construction, waste reduction and clean on-site environment. Nevertheless, frequent engineering changes often create unpredictable challenges for precast production planning, resulting in production delay or additional storage costs. In order to achieve the target of just-in-time ...
Abstract: More and more high-rise buildings are being erected in extensively populated countries such as China nowadays with the requirement of higher living standards. However, on the one hand, with the development of aging society, the labor shortage has become a remarkable problem; on the other hand, the danger and difficulties ...
Abstract: Retrofits of existing buildings have great potential to reduce global energy consumption and greenhouse gas emissions. Energy modeling of existing buildings, which is commonly conducted to prioritize retrofit strategies, relies on as-is building energy models (BEMs) that represent actual conditions of buildings. Recent efforts have focused on leveraging sensing technologies ...
Abstract: Apartment housebuilding takes too long time and optimal solutions are seldom found. In housebuilding projects, there is an increased popularity of using virtual models for analyses of structural integrity and floor layout. However, these analyses are seldom coordinated since the models rarely are linked and the designers are not working ...
Abstract: Adding manually thermal insulation onto an existing building is an inefficient and labor-intensive process. To avoid such manned labor on site, recent approaches have been developed for installing prefabricated modules onto existing buildings envelopes. However, the monitoring and the analysis of these approaches expose that these procedures are still time-consuming ...
Abstract: While on the one hand the BIM methodology is an essential reference for the construction of new buildings, on the other hand it is receiving particular attention and interest also from owners of large building stocks who want to take advantage of the benefits of Building Information Modelling so as ...
Abstract: This paper describes the development of an automated stand-alone application for generating 2D drawings using information from an IFC file, independent of existing BIM authoring tools. Using the application described in this paper, plan, section and elevation drawings can be extracted with no additional effort. The approach described in this ...
Abstract: The public housing construction industry in Hong Kong faces conspicuous challenges of high demands, safety, an ageing workforce, inconsistent quality and stagnant productivity. Compared to the manufacturing industry, the degree of automation in the construction sector lags behind. Based on the on-going consultancy project commissioned by the Construction Industry Council ...
Abstract: Industrialized house-builders are moving towards an enhanced product ion where management of information along the value chain is critical in order to deliver housing projects on time and with the desired quality. Today digital tools and systems are used in both design and production to produce, deliver and instruct actors ...
Abstract: The cost of the operation stage in a project life cycle is much higher than that of other stages in the building lifecycle. Efficient use of facility management can save money. However, the information of the traditional facility management cannot effectively be employed, which in turn affects the quality of ...
Abstract: Predefinitions in house-building platforms is developed as routines to manage project building information models over to production data by documents and digital drawings. Visualisation of the information flow in the industrialised house-building process is hard to track and information are often presented as islands, seldom described in the flow for ...
Abstract: Information management for Urban Facility Management (UFM) is a key enabler for a more sustainable built environment [1]. This paper presents a further development of a case study research concerning the implementation an innovative UFM service. The UFM process is enabled thanks to a robust data engineering approach and Information ...
Abstract: Recently, the accurate prefabricated Curtain Wall Modules (CWM) used as building facade are gaining popularity around the world. However, the conventional manual procedure for installation of CWM is dangerous for labour work. More so, it is a time consuming and expensive task. Automation of the CWM installation using a cable ...
Abstract: Simulation and predictive models to verify the energy performance of new or retrofitted existing buildings strongly need tuning procedures based on energy monitoring in the operational phase, thus to avoid performance gap concerns. The value chain of an uninterrupted information for energy models based on design data (e.g. for new ...
Abstract: Building management systems monitor and control building performances in real-time. Most control systems, which have been developed in the last decade, achieve the required performances relying on a centralised and hierarchical framework. In the regular operation phase, these systems are usually able to efficiently reach their goals, whereas they often ...
Abstract: As an elementary part of building projects, construction logistics encompasses planning, control and monitoring functions to ensure the flow of materials and people on the construction site. Furthermore, it includes the management of storage areas and site facility planning. Despite its importance, the implementation of construction logistics often does not ...
Abstract: Unmanned aerial vehicles (UAV) have gained tremendous interest in the construction management domain as a platform for progress monitoring, safety supervision, quality inspections, and overall job site logistics. With the continued growth of UAV application within construction domain, it is essential for construction program graduates to develop a general understanding ...
Abstract: Throughout history, waves of industrial revolutions have disrupted established manufacturing methodologies. Traditional construction processes have been transformed by new means of creating objects and computing information. The manufacturing of steel is no exception to this trend. Past methods for the creation of steel included hot forming (casting, extruding and welding), ...
Abstract: The Building Information Modeling (BIM) is getting more and more common into building construction, but it hasnt been developed into underground work so far, although it would be very useful. Indeed, underground works strongly interact with their environment, and with many different stakeholders, whose data are partitioned into their own ...
Abstract: Extracting knowledge from data on near hits (aka. close calls) might warrant better understanding on the root causes that lead to such incidents and eliminate them early in the risk mitigation process. While a close call is a subtle event where workers are in close proximity to a hazard, its ...
Abstract: The Architecture Engineering and Construction/ Facility Management (AEC/FM) industry plays a significant role in the development of economy. In recent years, the wide application and development of Building Information Modelling (BIM) promote the development of informatization and digitalization of AEC/FM industry. However, due to the limitation of a one single ...
Abstract: The timely updates and delivery of construction material on a job site could have a significant impact on the overall duration, quality, and cost of the project. The study focuses on analyzing the role of Internet of things in providing a real-time update on the delivery and data for material ...
Abstract: This paper describes a method of providing a panoramic image using single image transmission system. In recent years, demands for small robots performing inspection work by remote control are expanded. On the remote control of robots, to provide information of environment around the robots is important for operators. Multiple images ...
Abstract: Ensuring high efficiency in construction through advanced planning techniques must be supported by the simulation of construction processes. In previous research, the potential for multi-agent based simulation to support the planning phase were successfully shown with regard to some typical construction tasks. Among the main benefits determined by this approach ...
Abstract: Building Information Modeling (BIM) represents a procedural and technological transition that emerges as a change agent in the Architecture, Engineering and Construction (AEC) industry. 4D modeling refers to a BIM dimension that associates the 3D model of an enterprise with the planning schedule information, providing the visualization of the actual ...
Abstract: Pipe spool fabrication is still highly dependent on skilled craft labour and thus is subjected to the productivity issues, such as rework, that plague the construction industry. Rework is a major challenge and is estimated to account for up to 12% of the total cost of a major project. Identifying ...
Abstract: With a scenario of intense difficulties faced by the construction industry, improvements of the productive processes are demanded in order to make them more efficient, optimizing resources such as human, materials and financial ones, aggregating quality to the delivered product. Thus, this study aims the application of a methodology of ...
Abstract: The introduction of robotics in construction offers the possibility of implementing design processes that incorporate unforeseen levels of complexity. Not only does this allow for the construction of high degrees of formal differentiation, but for the conception of projects with a high-resolution integration of performative qualities. These performance aspects can ...
Abstract: This paper presents the general aim of the research at the Institute of Structural Design (ITE) at Braunschweig University of Technology to bring digital design and digital fabrication together to develop resource efficient construction elements, manufacturing processes and building systems. Basis of research at ITE is the so-called Digital Building ...
Abstract: Several data exchange standards support the open exchange of building data. Industry Foundation Classes (IFC) standard is the most widely implemented within software solutions and the most used in practice. This standard is developed by buildingSMART International and describes a schema defined with EXPRESS data modelling language also including the ...
Abstract: This paper addresses the problem of explaining the reason for mixed assessment results in comparing cost performance of project delivery systems (PDS). In particular, we focus on mediator effects for the explanation that would traditionally not be handled by project performance evaluation disciplines. Previous studies revealed that two kinds of ...
Abstract: This paper aims to describe a natural language processing (NLP) and deep learning-based approach for supporting automated rule checking system. Automated rule checking has been developed in various ways and enhanced the efficiency of building design review process. Converting human-readable building regulations to computer-readable format is, however, still time-consuming and ...
Abstract: A comprehensive research has been initiated by Korean government in order to disseminate modernized traditional Korean building (Hanok). Major objectives of this project include reducing construction cost and enhancing performance by developing construction materials and method for modernizing traditional Korean architecture. For example, modern construction methods such as glulam, steel ...
Abstract: The usability of the Internet of Things (IOT) is accelerated by making intelligent and equipping different machines and devices with smart sensors. IOT is used in smart cities, transportation, construction cases. IOT has the cap ability to provide real-time information for drivers and citizens to design their routes to avoid ...
Abstract: As construction projects become larger and more complicated, the importance of information sharing among various project participants throughout the entire life-cycle of a facility is ever-increasing. Establishment of standard classification system is the most fundamental task for systematic and efficient management of construction information. In recent years, technology advancement of ...
Abstract: This paper presents the integration of an Internet of Things wearable device as a personal interfacing node in an intelligent built-environment framework, which is informed by Design-to-Robotic-Production and -Operation principles developed at Delft University of Technology. The device enables the user to act as an active node in the built-environments ...
Abstract: Automated progress monitoring becomes more and more common in the construction industry. Recent approaches often use new methods like Unmanned aerial vehicles (UAVs) for a capturing large construction sites. However, the used methods often lack accuracy due to occluded elements and/or reconstruction inaccuracies from using photogrammetric methods. This paper presents ...
Abstract: The inventory of deteriorating infrastructure is increasing, and government resources are contracting inversely. The added expenditures of "emergency" repairs caused by asset mismanagement is too expensive and untenable. In response to the funding shortfall for transportation projects throughout Wisconsin, the Wisconsin Department of Transportation (WisDOT) needs to develop a strategic ...
Abstract: Sophisticated geometric and semantic models are the basis for many applications in the field of Building Information Modeling. While the requirements in terms of detail, flexibility and conformity on those models and thus on the corresponding modeling tools increase, especially in the case of parametric and procedural modeling, open questions ...
Abstract: Construction management courses are currently mostly based on frontal lectures, homework and exams where the exams comprise of questions similar to the ones that the professor showed in the lectures & later the student is asked to solve at home. In practice, construction engineers are required to be able ...
Abstract: Earthwork productivity varies depending on a unique geologic condition, types of earthwork equipment, and an equipment allocation plan. For this reason, it is difficult to accurately estimate the productivity of an earthwork. To address this issue, this paper develops an imaging-to-simulation method in which a real jobsite data is automatically ...
Abstract: Constructing soil and water conservation (SWC) facilities is crucial to protect soil and water resources, maintain natural ecology and landscape, and prevent erosion, landslide, debris flow, and other disasters. Due to the existence of mountainous terrain in Taiwan and the frequent prevalence of extreme climate changes, thousands of SWC construction ...
Abstract: Buildings contribute to socio-economic development of the human societies, but they are also among the main consumers of energy and contributors to the greenhouse gas emissions during their lifecycles. The construction phase of building projects is typically recognized for substantial use of natural resources and energy consumption. Steel, reinforced concrete, ...
Abstract: The job allocation models used in construction projects have been designed mainly to meet the objectives of the employers such as maximizing productivity and tended to pay inadequate attention to meet the needs and objectives of construction workers. Meeting the objectives of workers, however, is a basic component of corporate ...
Abstract: Building information modeling (BIM) is a new technology that supports lifecycle information management for buildings. Ontology, derived from philosophy, is another technology utilized to describe real-world entities and to infer their semantic relationships. Each year disasters such as fires, earthquakes and floods affect not only buildings but all occupants inside, ...
Abstract: This study suggests an indoor localization method to estimate the location of a user of a mobile device with imaging capability. The proposed method uses a matching approach between an actual photograph and a rendered BIM (building information modeling) image. A pre-trained VGG 16 network is used for feature extraction. ...
Abstract: The emergence of Building Information Modeling (BIM) technology makes the quantity takeoff process faster and more reliable. It helps reduce the effort in cost estimation to survey the cost feedback on alternative schemes in the early stages of design. However, at these stages, the quantity could be absent or in ...
Abstract: Retrieving proper accident cases and extracting risk factors from them are crucial for construction safety management. However, the process was often challenging due to unstructured properties of text data in accident reports, which caused limited, inefficient, and non-consistent information retrieval and knowledge gathering. To overcome the problems, this research aimed ...
Abstract: This paper presents the results of the practical learning experience when combine three different school level students to learn open infrastructure building information modelling (infra BIM) and automation during OuluZone workshop week. Students started to build Speedway track in OuluZone test centre with one-week resources with the help of experts ...
Abstract: Building Information Modeling (BIM)-based processes are increasingly being adopted worldwide. With it, possibilities to exploit digitization had been appearing for the AEC sector. In that context, the present work aims to investigate how, and in which form, a Cyber-Physical System (CPS), one of many different but complementary technologies associated with ...
Abstract: We discuss the idea of developing Information Modeling (IM) for an existing underground facility so that it can be efficiently utilized as an Underground Laboratory (UL) for the testing of machinery, automation and robotic systems in tunnel construction. The ULs are located in old mines or underground storage facilities of ...
Abstract: Occupant comfort plays an important role in office buildings in terms of environmental, social, and economic aspects. Facility managers need to evaluate occupant feedback to moderate the negative consequences on office users and ultimately on the corporations that occupy office spaces. However, in the current facility management systems, occupant feedback ...
Abstract: Building Information Modelling (BIM) has been implemented by architecture, engineering and construction (AEC) firms since it effectively manages and integrates information throughout the building life cycle bringing long term benefits compared to existing practices. BIM models serve as communication between design and construction phases. These models are used to determine ...
Abstract: Building Information Modeling (BIM) is a technique in which a three-dimensional (3D) building model is constructed and designed in a computer. In recent years, BIM has been widely used in design and construction phases, but it has not been widely used in operation and maintenance phases, which account for the ...
Abstract: As the importance of maintainability for the energy efficiency of industrial plants is emphasized, thermographic inspection has been widely used as a key technique. However, the thermographic inspection cannot provide clear information due to the limitation of low resolution in inspecting wide areas where the worker cannot acquire data in ...
Abstract: Photovoltaic (PV) solar energy is rapidly growing as a n attractive alternative to fossil fuels. PV panels can harvest the solar power and turn it into a clean source of electricity. Traditionally, PV panels are only used on the rooftops of buildings. However, with the emergence of building-integrated solar panels ...
Abstract: Information retrieval and automated progress estimation of on-going construction projects have been an area of interest for researchers in the field of civil engineering. It is done using 3D point cloud as-built and as-planned model. Advancements in the field of photogrammetry and computer vision have made 3D reconstruction of buildings ...
Abstract: Building Information Modeling is the process and the technology transition from a traditional single sequential form to a modern multiple parallel form of data integration. BIM is the process of data sharing and distribution with the ability to employ the data via numerous applications for managing several multidimensional tasks and ...
Abstract: This paper presents an ongoing work in relation to the development of a parametric design algorithm and an automated system for additive manufacturing that aims to be implemented in 3D clay printing tasks. The purpose of this experimental study is to establish a first insight and provide information as well ...
Abstract: One of the difficulties encountered at a plant construction site is frequent changes to design, which causes work overload. This can lead to increased construction costs, delayed progress, inferior work quality and poor productivity due to redundant work among project participants or omission of work. In this study, we propose ...
Abstract: Unrecognized hazards increase the likelihood of workplace fatalities and injuries substantially. However, recent research has demonstrated that a large proportion of hazards remain unrecognized in dynamic construction environments. Recent studies have suggested a strong correlation between viewing patterns of workers and their hazard recognition performance. Hence, it is important to ...
Abstract: Building automation is becoming increasingly popular due to the growing use of the Internet of Things (IoT) framework in the built environment. While there has been a spurt of mobile applications that control electronics in buildings, most of these utilize complex user-interfaces that require multiple interactions to realize user-intent which ...
Abstract: Earthmoving operations are complex system where many resources collaborate to carry out tasks. Although considerable efforts have been made in the development of efficient methods and systems for recommending appropriate fleets of equipment, in practice, average production rate method still prevails in favour of its simplicity at the cost of ...
Abstract: Temporary haul road layout design is a main factor influencing the cost and safety of haulage in heavy civil construction, especially on large site grading projects which entail mass earthworks. The ideal design of temporary haul road layout is to deliver the project in the lowest construction budget while guaranteeing ...
Abstract: In the past two decades, the Architecture, Engineering and Construction (AEC) industry has investigated different approaches to improve communication among project parties, including Virtual reality (VR) however these approaches have not been widely adopted by the industry. Today, the tremendous advancements in technologies and computer hardware have potentially improve d ...
Abstract: Infrastructure systems are very essential to every aspect of life on Earth. Existing Infrastructure is subjected to degradation while the demands are growing for a better infrastructure system in response to the high standards of safety, health, population growth, and environmental protection. Bridges play a crucial role in urban transportation ...
Abstract: The increasing complexity of buildings has brought some difficulties for emergency response. When fires occur in a building, limited perception regarding the disaster area and occupants can increase the probability of injuries and damages. Thus, the availability of comprehensive and timely information may help understand the existing conditions and plan ...
Abstract: This paper presents the problem of model comparison in platform-neutral collaboration of Building Information Models. The paper describes that model matching and comparison strategies for platform-neutral models (i.e. IFC models) are the keys to solve the problem of iterative change management during BIM collaboration workflows. It is highlighted that the ...
Abstract: Three-dimensional (3D) models are increasingly becoming an important tool in project management. At the same time, the 3D data of construction industry is more and more large, whether it is caused by large model scene or the requirement of model accuracy. In order to meet the requirements of the model ...
Abstract: Automation is generally assumed to improve project productivity. However, not enough research is done in the area of quantitative methods to evaluate productivity improvements through automation in construction. The aim of this study is to develop a methodology for analyzing productivity of any given automation system for construction. A case ...