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The International Association for Automation and Robotics in Construction
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2018 Proceedings of the 35th ISARC, Berlin, Germany
Real-time Positioning via LoRa for Construction Site Logistics
Pages 1-8
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 ...
Keywords: Building Information Model (BIM), construction resources, Global Navigation Satellite System (GNSS), Internet of Things (IoT), logistics, Long Range (LoRa), Radio Frequency Identification (RFID), tracking and monitoring, Ultrawideband (UWB).
Strategic Optimization of 3D-Concrete-Printing Using the Method of CONPrint3D®
Pages 9-15
Abstract: The resource efficiency and labor productivity in the construction industry are still viewed critically. Concrete 3D-printing processes have the potential to significantly improve both factors. Currently, research activities in this field are growing rapidly worldwide, thus similar advances and market developments can be expected, as have already occurred in other ...
Keywords: Virtual reality, Laser scanning, performance simulation, Visualization
A Cyber-Physical System of Diagnosing Electric Drives of Building Robots
Pages 16-23
Abstract: This article studies the development of a cyber-physical system for diagnosing and forecasting the technical condition of electric drives in robots used for construction. The structure of the cyber-physical system is described and the defect statistics for asynchronous drives submitted. Additionally, a critical analysis of existing diagnostic methods, the selection ...
Keywords: Cyber-physical system, building robots, electric drives, diagnosing of technical conditions, forecasting, wavelet transformation, neural networks classification
Visualization of an Integrated Model of Construction Projects
Pages 24-31
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 ...
Keywords: Scheduling, Singularity Function, Site Layout, Cranes
Supporting Post-Occupant Evaluation Through Work Order Evaluation and Visualization in FM-BIM
Pages 32-39
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 ...
Keywords: Post-Occupant Evaluation, Work Order, BIM, Facility Management, Visualization, Operations & Maintenance
Identification of Usage Scenarios for Robotic Exoskeletons in the Context of the Hong Kong Construction Industry
Pages 40-47
Abstract: Exoskeletons can be seen as an archetype of a truly sustainable manufacturing technology since they empower human beings rather than aiming at their substitution. Exoskeletons have been characterized by rapid technological advances in the last decade, as well as an increase of activities attempting to develop feasible usage scenarios for ...
Keywords: Exoskeletons, Classification, Task Analysis, Housing Construction, Hong Kong, Sustainability
Scaffolding Modelling for Real-Time Monitoring using a Strain Sensing Approach
Pages 48-55
Abstract: Scaffolding structures are important as a temporary structural element that are used to support workers, equipment, and materials during construction activities. Although 65 % of construction workers work on scaffolding structures and often are exposed to safety hazards, the current method of monitoring scaffold structures still is premature. As an ...
Keywords: Temporary structures, scaffold, wireless sensor
Machine Learning for Assessing Real-Time Safety Conditions of Scaffolds
Pages 56-63
Abstract: Researchers have taken advantage of technological advancements to automate construction processes; as a result, significant progress has been made in designing and planning temporary structures. Despite this effort, relatively little attention has been placed on automating the monitoring of safety issues of scaffolding structures, which are one of the major ...
Keywords: Scaffolding, real-time monitoring, strain sensor, machine learning, safety, condition assessment, support vector machine
Barriers Analysis to Effective Implementation of BIM in the Construction Industry
Pages 64-71
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 ...
Keywords: Building Information Modeling Challenges, Implementation barriers
Automatic Generation of the Consumption for Temporary Construction Structures Using BIM: Applications to Formwork
Pages 72-79
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 ...
Keywords: BIM, Temporary construction structures, Formwork, Consumption, Quantity take-off
Project Production Flows in Off-Site Prefabrication: BIM-Enabled Railway Infrastructure
Pages 80-87
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 ...
Keywords: Building Information Modeling, Construction Management, Design Complexity, Infrastructure Project Management, Reentrant Flows, Rework Minimization, Robotics, Shop drawings, Three dimensional models (3D), Uncertainty in Decision Making
Automated Localization of UAVs in GPS-Denied Indoor Construction Environments Using Fiducial Markers
Pages 88-94
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 ...
Keywords: Indoor localization, construction performance monitoring, Building Information Model (BIM), AprilTags, Automated monitoring, Facility Management,
Reasoning on Human Experiences of Indoor Environments Using Semantic Web Technologies
Pages 95-102
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, ...
Keywords: Human Experiences, Indoor Environmental Quality, Semantic Web Technologies, Ontology, Office Buildings
PIECE 3D: Portable Interactive Education for Construction Engineering in 3D
Pages 103-109
Abstract: Everything starts from a piece. Bits and pieces are collected to form an entire structure. PIECE 3D is a framework for developing 3D education for the construction engineering field. Construction processes are dynamic and complicated. There are many components, and some processes are hard to understand from 2D pictures or ...
Keywords: 3D education, Virtual Reality, BIM, Portable
Evaluating Artificial Intelligence Tools for Automated Practice Conformance Checking
Pages 110-117
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, ...
Keywords: Conformance, Artificial Intelligence, Software Evaluation
Crack Detection in Masonry Structures using Convolutional Neural Networks and Support Vector Machines
Pages 118-125
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 ...
Keywords: Convolutional Neural Network, Support Vector Machine, Masonry structures, Crack detection, Computer vision
Application of Machine Learning Technology for Construction Site
Pages 126-133
Abstract: Although several research studies on the application of machine learning to the construction field are actively underway, no study has yet been done on the areas where the application is primarily needed. Using the importance-performance analysis method, this paper identified the top five areas of construction sites where machine learning ...
Keywords: Machine Learning, IPA method, Delphi method, Construction site
An Accident Notification System in Concrete Pouring using Sound Analysis
Pages 134-138
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 ...
Keywords: Sound analysis, Accident notification, Concrete pouring
BIM- and Mobile-Based System for Supporting Facility Maintenance Management
Pages 139-146
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 ...
Keywords: Building information modeling, Facility maintenance management, Mobile devise, Android App.
Do Handstorm Principles Support Creative BIM Collaboration?
Pages 147-152
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 ...
Keywords: Social BIM, collaboration, creative thinking, design meetings, design principles
The Automation of the Process of Updating the Curing Time Activity in 4D Schedule
Pages 153-159
Abstract: In todays practice, we encounter different approaches to solving the problem of planning a curing time for wet processes. The article focuses on concrete processes where the length of the curing time needed for formwork removal is dependent on numerous factors. By using sensors that monitor the internal temperature in ...
Keywords: BIM, 4D simulation, Formwork removal
BIM Guidelines Review for Public Post-Secondary Institutions
Pages 160-167
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 ...
Keywords: BIM, BIM Guidelines, Post-secondary institutions, BIM Implementation,
Development of Web-based BIM Models Inspection and Modification Management System for Supervisions
Pages 168-175
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 ...
Keywords: BIM, Building Information Modeling, Workflow Mangement, Web-based System
Classification of Images from Construction Sites Using a Deep-Learning Algorithm
Pages 176-181
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 ...
Keywords: Image classification, Deep learning, Construction site monitoring, Convolutional neural network,
Crack detection in frozen soils using infrared camera
Pages 182-188
Abstract: Frozen soils are encountered on construction site in the polar regions or where artificial frozen ground (AFG) method is used. Thus, efficient ways to monitor the behaviour and potential failure of frozen soils are on demand. The advance in thermographic technology presented an alternative solution as the deformation occurred in ...
Keywords: Frozen soil, Infrared camera, Crack
A Study of the Influence Factors on Modular Residential Asset
Pages 189-193
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 ...
Keywords: Modular, Apartment House, Asset Management, Influence Factor, Maintenance
Automatic Traveling Method for the Self-Propelled Tunnel Inspection System
Pages 194-198
Abstract: In recent years, road tunnels in Japan with severe aging are obliged to check periodically. But there are problems such as lack of engineers and inspection cost. In order to solve these problems, we are developing a tunnel full-section inspection system. In this system, inspection devices are arranged at the ...
Keywords: Automatic operation, Magnetic sensor, Road tunnel
Mixed ReaIity Approach for the Management of Building Maintenance and Operation
Pages 199-206
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. ...
Keywords: Mixed reality, BIM, Operation and Maintenance
Continuing Increasing of Quality Management Level in Construction Company Using Excellence Model with Software Support
Pages 207-213
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 ...
Keywords: Management level, Model of excellence, Construction company
Concrete Inspection Systems Using Hammering Robot Imitating Sounds of Workers
Pages 214-218
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 ...
Keywords: Concrete inspection, Hammering robot, Under-actuated, Defect, Nondestructive
A Numerical Model for the Attitude Manipulation of Twin-Hoisted Object
Pages 219-223
Abstract: Hoisting an object with two crane hooks is sometimes applied when the pitch attitude of the hoisted object is necessary to be adjusted. The pitch attitude can be manipulated by changing the length difference of the two crane cables that connect the object with two hooks at two different positions. ...
Keywords: Twin-Hoisting, Attitude Manipulation, Crane Control, Authors, Automation
Design for Manufacture and Assembly in Off-Site Construction: Advanced Production of Modular Façade Systems
Pages 224-229
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 ...
Keywords: 3D printing, Additive Manufacturing, CATIA and DELMIA software, Design Optimization, Industrialized Buildings, Moulds, Prefabricated Structural Element, Primavera P6, Project planning and management, Rapid prototyping
Framework of Automated Beam Assembly and Disassembly System for Temporary Bridge Structures
Pages 230-235
Abstract: Temporary bridges play an important role in disaster relieving operations. However, available workers and limited time are precious resources during a disaster event. The requirement of not only human resource but also construction safety creates a barrier for completing the temporary bridge construction within expected time, which may result in ...
Keywords: Automated construction, Construction safety, Mobile crane control, Autonomous structural connector, Disaster relief
Influence of Automated Building Construction Systems on Vocational Education and Training
Pages 236-243
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 ...
Keywords: automated building construction, cable-driven parallel robot, bricklaying, site logistics, humanmachine interaction, social effect, technology dissemination, vocational education and training, VET
Adaptive Perception and Modeling for Robotized Construction Joint Filling
Pages 244-251
Abstract: Construction robots must perceive and model their surroundings to compensate for uncertainties in their workpieces. This research investigates a technique to enable the autonomous sensing and modeling of construction objects and features so construction robots can adapt their work plans and perform work. To that end, the Generalized Resolution Correlative ...
Keywords: Construction Robotics, Robot Perception, Model Fitting, Construction Joints, GRCSM
A Conceptual Framework for Tracking Design Completeness of the Track Line Discipline in Mass Rapid Transit Projects
Pages 252-258
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 ...
Keywords: Instructions, Design Completeness, Mass Rapid Transit Projects, Track Line
Optimisation of Mixture Properties for 3D Printing of Geopolymer Concrete
Pages 259-266
Abstract: Freedom of design, customisation, automation, waste minimisation, reduced labour and building complex structures with cheaper materials are the main initiatives for developing 3D printed structures. The fresh properties of concrete are the most important aspects of a successful 3D printing. Concrete requires high workability for extrusion, optimum open time and ...
Keywords: 3D Printing, Mixture Design, Geopolymer Concrete, Additive Manufacturing,
Preliminary System Design for Teleoperating Construction in Extreme Environments
Pages 267-272
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 ...
Keywords: Building Construction, Lunar Base, System Design
Development of BIM-based Design and Inspection Prototype Process for Temporary Works
Pages 273-277
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 ...
Keywords: BIM, Temporary work, Design, Inspection
A BIM-based Conceptual Cost Estimation Model Considering Structural Analysis and Design
Pages 278-285
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 ...
Keywords: Building Information Model, CostEstimation, ETABS, Structural Analysis and Design
Knowledge Base for a Disaster Management Dialogue System
Pages 286-291
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 ...
Keywords: Knowledge base, Disaster management, Entity Recognition
Marking Robot in Cooperation with Three-Dimensional Measuring Instruments
Pages 292-299
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 ...
Keywords: Marking robot, Three-dimensional measuring, Total station, XY plotter, Ink jet printer, Wall traveling mechanism
Improving Supply Chain Communications for Off-Site Construction Using Process Specification Language
Pages 300-308
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 ...
Keywords: Process Specification Language, PSL, Supply Chain, Off-Site Construction, Process Ontology
Application of Automation and Robotics Technology in High-Rise Building Construction: An Overview
Pages 309-316
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 ...
Keywords: Automation and robotics, High-rise building, Earth and foundation work, Superstructure erection, Façade installation
A Framework for Constructing Semantic As-is Building Energy Models (BEMs) for Existing Buildings Using Digital Images
Pages 317-324
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 ...
Keywords: Building energy model (BEM), building surface geometry, image-based 3D reconstruction, semantic enrichment, existing buildings, IDF
A Master Model Approach for Design and Analysis of Roof Trusses
Pages 325-331
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 ...
Keywords: Roof trusses, Design automation, Finite element model
Inferring Construction Activities from Structural Responses Using Support Vector Machines
Pages 332-339
Abstract: On-site data collection during construction activities help in evaluating productivity rates and preparing more accurate schedules. One of the challenges here is in collecting data automatically such that activity start times and durations can be computed reliably. This paper proposes a methodology to infer construction activities that are being performed ...
Keywords: Support Vector Machines, Machine Learning, Automated Data Collection, Construction Progress Monitoring
Integrated, Automated and Robotic Process for Building Upgrading with Prefabricated Modules
Pages 340-347
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 ...
Keywords: Renovation, robotic, parametric, prefabrication
BIM-Based Decision Support System for the Mangement of Large Building Stocks
Pages 348-355
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 ...
Keywords: Building Information Modelling, building stock, data management, Bayesian networks, Multicriteria decision making
Development of Application for Generation of Automatic 2D Drawings based on openBIM
Pages 356-361
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 ...
Keywords: Building Information Modeling (BIM), Industry Foundation Classes (IFC), 2D Drawings Generation
A Methodological Approach to Implement On-Site Construction Robotics and Automation: A Case in Hong Kong
Pages 362-369
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 ...
Keywords: Construction robotics and automation, Methodology, Public housing construction, Hong Kong
Structuring Information from BIM: A Glance at Bills of Materials
Pages 370-376
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 ...
Keywords: Bill of Materials, BIM, Industrialized, HouseBuilding
Cost Analysis of Equipment in a Building Using BIM-based Methods
Pages 377-381
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 ...
Keywords: BIM, Facility Management, Secondary Development, Economic Analysis
Interactive Visualization for Information Flow in Production Chains: Case Study Industrialised House-Building
Pages 382-388
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 ...
Keywords: Game engines, industrialised, house-building, information flow, visualization
An Information Management Framework for Optimised Urban Facility Management
Pages 389-395
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 ...
Keywords: Urban Facility Management, Data engineering, GIS, Information Management
Cable-Driven Parallel Robot for Curtain Wall Modules Automatic Installation
Pages 396-403
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 ...
Keywords: Cable-robot, Construction robotics, Automatic curtain wall module installation, Delphi method
An Algorithm for Optimizing the Location of Attached Tower Crane and Material Supply Point with BIM
Pages 404-411
Abstract: Attached tower crane is globally used in the high- rise construction to transport components vertically and horizontally. To reduce cost and improve overall efficiency, the tower crane should be well located to move heavy materials. This paper proposes an optimization algorithm to identify the optimal type and location of attached ...
Keywords: Attached Tower Crane, Optimal Algorithm, Site Layout, BIM
BIM-based Interoperable Workflow for Energy Improvement of School Buildings over the life cycle
Pages 412-419
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 ...
Keywords: Predictive models, interoperability.
Holonic Management Systems for Resilient Operation of Buildings
Pages 420-427
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 ...
Keywords: Intelligent Buildings, System, Holonic System.
Integrated Digital and Model-Based Construction Logistics Management Based on Lean Thinking Approaches
Pages 428-435
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 ...
Keywords: BIM, Construction Logistics, Domain-Specific Model, Lean Construction, Lean Logistics,
Integrating the Use of UAVs and Photogrammetry into a Construction Management Course: Lessons Learned
Pages 436-443
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 ...
Keywords: UAV, Photogrammetry, Education
Towards Robotic Fabrication in Joining of Steel
Pages 444-452
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), ...
Keywords: Additive Manufacturing, Robotics, Fabrication, 3d Printing, Steel, Welding,
Building an Integrated Mobile Robotic System for Real-Time Applications in Construction
Pages 453-461
Abstract: One of the major challenges of a real-time autonomous robotic system for construction monitoring is to simultaneously localize, map, and navigate over the lifetime of the robot, with little or no human intervention. Past research on Simultaneous Localization and Mapping (SLAM) and context-awareness are two active research areas in the ...
Keywords: SLAM, Context awareness, Real-time integrated system, Robotic computer vision system, Construction monitoring
A 4D Visualization Tool for TBM Worksites Using CAP: Integration of 3D Models and Real-Time Modeling Thanks to Database Connections
Pages 462-469
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 ...
Keywords: TBM, 3D modeling, 4D modeling, Visualization, Monitoring, Decision support system, Information management
Predictive Analytics for Close Calls in Construction Safety
Pages 470-477
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 ...
Keywords: accident investigation; building information modeling; close call; construction safety; data mining; education and training; hazard identification; location tracking; near miss; predictive analytics.
Cup-of-Water Theory: A Review on the Interaction of BIM, IoT and Blockchain During the Whole Building Lifecycle
Pages 478-486
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 ...
Keywords: BIM IoT blockchain AEC/FM industry whole building lifecycle
A Review of IoT Applications in Supply Chain Optimization of Construction Materials
Pages 487-494
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 ...
Keywords: Supply chain management, Internet of things, Material efficiency, Construction.
A Method of Providing a Panoramic Image Using Single Image Transmission System
Pages 495-500
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 ...
Keywords: Small Inspection Robots, Remote Control, Multiple Cameras, Teleoperation, Single Image Transmission System, Analog Cameras
Holonic Execution System for Construction Management
Pages 501-508
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 ...
Keywords: Construction management, multi-agent systems, VRP
4D Building Information Modelling: A Systematic Mapping Study
Pages 509-515
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 ...
Keywords: Building Information Modeling, BIM, 4D Modeling, Systematic Mapping Study, Scientific Production.
Facilitating the Communication of Rework Information to Craft Workers Using Augmented Reality
Pages 516-523
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 ...
Keywords: Rework, Pipe fitting, Augmented Reality, point cloud, 3D BIM, modular
Representation of the Joystick Using the Virtual Configuration
Pages 524-531
Abstract: Recently, facilities that are a foundation of industries such as roads, water pipes, and tunnels are getting old. Along with this, the demand on inspection in the decrepit facilities is increasing. The robots are introduced to inspection in these facilities. It is required that the operators can control the robots ...
Keywords: Virtual configuration, Remote operation, Control device,
Value Stream Mapping of the Design Process in a Design-Build Firm
Pages 532-539
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 ...
Keywords: Lean Thinking, Lean Design, Value Stream Mapping, Design Management, Design Process, Architectural Executive Design, Private Sector.
Robotic Inspection Tests of Tunnel Lining Concrete with Crack Light-Section Device on Variable Guide Frame
Pages 540-545
Abstract: There are approximately 10,000 road tunnels in Japan. Human visual inspections of the tunnels must be conducted once every five years. However, presently, the number of inspection engineers is insufficient and the cost incurred for the inspection is significantly high. In conventional crack inspection methods based on an image processing, ...
Keywords: Tunnel inspection, Crack detection, Depth-image
Generative Architectural Design and Build Strategies based on the Mapping of Human Behaviour
Pages 546-553
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 ...
Keywords: On-site sensing and construction technologies, Human Activities Monitoring, Computational design, Emergent design, Custom robotic devices, Digital construction,
Evaluation of Building Use Scenarios by Crowd Simulations and Immersive Virtual Environments: A Case Study
Pages 554-561
Abstract: Virtual reality (VR) is becoming common in the AEC/FM industry, closely linked to BIM implementation. VR tools can be used to anticipate operational issues, simulating them in a virtual prototype since early design. The paper investigates such a topic in relation to access, space and use performance of an existing ...
Keywords: Occupancy evaluation, Virtual reality, Crowd simulation, Immersive virtual environment, Building performance
Digitally Fabricated Innovative Concrete Structures
Pages 562-569
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 ...
Keywords: Digital Robotic Fabrication, Construction, Wax, Formwork, Shotcrete 3D Printing, Additive Manufacturing
Proposal for a Discipline-Specific Open Exchange Framework
Pages 570-577
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 ...
Keywords: BIM, Data Exchange, Data Interpretation, Exchange Requirements, IFC schema, Structural Analysis, Life Cycle Analysis
Modeling of Identifying Mediator Effects between Project Delivery Systems and Cost Performance
Pages 578-585
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 ...
Keywords: Cost Management, Change Order, Cost Performance, Project Delivery System, Design-Build, Design-Bid-Build, Mediator Effect, Path Analysis
NLP and Deep Learning-based Analysis of Building Regulations to Support Automated Rule Checking System
Pages 586-592
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 ...
Keywords: Automated rule checking, Natural language processing, Deep learning, Semantic analysis, Building information modeling (BIM)
Transfer Learning-Based Crack Detection by Autonomous UAVs
Pages 593-600
Abstract: Unmanned Aerial Vehicles (UAVs) have recently shown great performance collecting visual data through autonomous exploration and mapping in building inspection. Yet, the number of studies is limited considering the post processing of the data and its integration with autonomous UAVs. These will enable huge steps onward into full automation of ...
Keywords: Unmanned Aerial Vehicle, Building Inspection, Crack Detection, Transfer Learning, Autonomous Navigation
A Study of Field Condition Feedback to a Remote Controlled Underwater Heavy Machine Operator
Pages 601-606
Abstract: Construction in the water is currently under way using an underwater excavator. The underwater excavator is operated by a diver. To reduce the burden on the diver, remote controlled system of underwater excavator is developed, but the current system has poor operability to use. The purpose of this study is ...
Keywords: Underwater excavator, Unmanned construction, Teleoperation, Operating Support, Instructions, Input Device
Shape Control of Variable Guide Frame for Tunnel Wall Inspection to Avoid Obstacles Detected by Laser Range Finder
Pages 607-613
Abstract: To progress the automated inspection and maintenance of inner wall of tunnel, the advanced inspection system with restricting the traffic regulation was developed. In this inspection system, the guide frame along tunnel wall was installed on the protection unit stepped over the road like gantry crane. The inspection device moved ...
Keywords: Automated Inspection system, Variable Guide Frame, Shape Control, Obstacle Detection, Tunnel Inspection, ,
Evaluation Framework for Korean Traditional Wooden Building (Hanok) through Analyzing Historical Data
Pages 614-621
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 ...
Keywords: Traditional housing, Information, Historical data, Evaluation framework
Development of Automated Mobile Marking Robot System for Free Access Floor
Pages 622-629
Abstract: Improvement of productivity in construction work is strongly required because a shortage of construction workers has become a major social issue in Japan. Marking work for installing building materials is indispensable. This work is currently carried out manually. If this work can be automated, construction workers can concentrate on installing ...
Keywords: Marking, Mobile robot, Omnidirectional vehicle, Tracking, Free access floor
Automatic Tracking Camera System for Construction Machines by Combined Image Processing
Pages 630-636
Abstract: The damaged area caused by disasters must be restored as soon as possible. So, remotely controlled construction machines are used to execute this dangerous work, safely. In the remote construction, machine operators always watch images of the working field from pan-tilt monitoring cameras controlled by camera operators. Then, the automatic ...
Keywords: Unmanned construction, Camera tracking, Image processing
A Model for Increasing the Security of Internet of Things in Smart Transportation Systems
Pages 637-646
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 ...
Keywords: Security, Internet Transportation, Model
Issues and Needs for Standard Classifications for Facility Management in Smart Manufacturing
Pages 647-654
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 ...
Keywords: Standard classifications, Smart manufacturing, Facility management, Information exchange
Integration of a Wearable Interface in a Design-to-Robotic-Production and -Operation Development
Pages 655-662
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 ...
Keywords: Design-to-Robotic-Production & -Operation, Internet of Things, Ambient Intelligence, Wireless Sensor andNetworks, Adaptive Architecture.
Photogrammetric Techniques for Monitoring Vegetation and Topographical Changes
Pages 663-670
Abstract: Environmentalists express concerns about the health of the planet and the vital role of wetlands on Earth. Sufficient knowledge of wetland changes is becoming more crucial as loss of wetland area increases. However, an ability to efficiently map and monitor the wetland topographies requires technology advancement. Producing high resolution and ...
Keywords: Unmanned Aerial System (UAS), Unmanned Aerial Vehicle (UAV), Structure-from-Motion (SfM), Wetland Mapping, Digital Photogrammetry
Process- and Computer Vision-based Detection of As-Built Components on Construction Sites
Pages 671-677
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 ...
Keywords: Progress monitoring, photogrammetry, BIM, UAV,
Infrastructure Asset Management for Strategic Planning
Pages 678-684
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 ...
Keywords: Infrastructure, Asset, Management, Information, Technology,
Supporting Feature-Based Parametric Modeling Through Graph Rewriting
Pages 685-692
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 ...
Keywords: Graph rewriting, Parametric modeling, Modeling support
Performance Comparison of Pretrained Convolutional Neural Networks on Crack Detection in Buildings
Pages 693-700
Abstract: Crack detection has vital importance for structural health monitoring and inspection of buildings. The task is challenging for computer vision methods as cracks have only low-level features for detection which are easily confused with background texture, foreign objects and/ or irregularities in construction. In addition, difficulties such as inhomogeneous illumination ...
Keywords: Crack Detection in Buildings, Convolutional Neural Networks, Transfer Learning
From the Pyramids via Modern CE to Automation & Robotics: Progress or Regress?
Pages 701-705
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 ...
Keywords: Construction management, Education, Learningcentered approach, Problem solving, Ethics.
Compound Movement Support by an ULSS Based on a Bioelectrical Signal for Upward High Load Works
Pages 706-713
Abstract: Upward high load work s such as the installation of ceiling boards are severe work. We have developed an upper limb support system (ULSS) for the works. The purpose of this study is to develop compound movement support algorithm for the ULSS, and to confirm the effectiveness of the ULSS ...
Keywords: Compound movement, Upward high load works, Powered exoskeleton, Bioelectrical signal
Automatic Inspection of Embankment by Crawler-Type Mobile Robot
Pages 714-719
Abstract: In this paper, we report a method that a mobile robot operates automatic inspection of embankment. The mobile robot KENAGE, which has been developed by Japan Aerospace Exploration Agency, tows a truck with an inspection instrument and is basically controlled by Robot Operating System. From the result of way point ...
Keywords: Mobile Robot, Self-localization, Inspection of Embankment, Automatic Inspection
Integration of Imaging and Simulation for Earthmoving Productivity Analysis
Pages 720-723
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 ...
Keywords: Productivity Analysis, Vision-Based Monitoring, Simulation, Earthmoving, Context Reasoning
Applying BIM and Visualization Techniques to Support Construction Quality Management for Soil and Water Conservation Construction Projects
Pages 724-731
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 ...
Keywords: Soil and water conservation construction projects, building information model, augmented reality, virtual reality, construction quality management
Embodied Energy Assessment of Building Structural Systems Using Building Information Modeling
Pages 732-739
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, ...
Keywords: Embodied energy, Embodied carbon, Building information modelling, Structural system
High Level-of-Detail BIM and Machine Learning for Automated Masonry Wall Defect Surveying
Pages 740-747
Abstract: Despite the rapid development of reality capture technologies and progress in data processing techniques, current visual strategies for defect surveying are time consuming manual procedures. These methods often deliver subjective and inaccurate outcomes, leading to inconsistent conclusions for defect classification and ultimately repair needs. In this paper, a strategy for ...
Keywords: Terrestrial Laser Scanning, Data Processing, Surveying, HBIM, Ashlar
Camera Placement Optimization for Vision-based Monitoring on Construction Sites
Pages 748-752
Abstract: For successful vision-based monitoring, the camera placement is an important and challenging issue. However, the previous Art Gallery Problem which is a traditional optimization problem closely similar to the camera placement problem did not take into account characteristics of construction sites, and thus faced difficulties in placing cameras ...
Keywords: Vision-based monitoring, Operation-level, Construction site, Camera placement, Optimization,
A Deep Residual Network with Transfer Learning for Pixel-level Road Crack Detection
Pages 753-756
Abstract: Image-based crack detection methods have been extensively studied due to their cost-effectiveness in terms of data acquisition and processing. However, automated crack detection still remain a challenging task due to complexity of image background and different patterns of cracks. To address these issues, this paper proposes a deep residual network ...
Keywords: Crack Detection, Residual Network, Deep learning, Transfer Leaning
Patch-based Crack Detection in Black Box Road Images Using Deep Learning
Pages 757-760
Abstract: This paper proposes a method for patch-based crack detection of black box road images, for efficient road pavement monitoring. The proposed method is based on deep learning and consists of two modules: road extraction and crack detection. The road extraction module uses the segmentation process of a Fully Convolutional Network ...
Keywords: Crack detection, Deep learning, Patchbased analysis, Road surface monitoring
A Mathematical Job Allocation Model to Maximize Career Development Opportunities for Construction Workers
Pages 761-766
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 ...
Keywords: Construction Industry, Career Development, Mathematical Model of Job Allocation, Corporate Social Responsibility
Combining Building Information Modeling and Ontology to Analyze Emergency Events in Buildings
Pages 767-772
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, ...
Keywords: Building Information Modeling, Ontology, Ontology Web Language, Semantic Web Rule Language, Disaster Mitigation
Image-based Indoor Localization Using BIM and Features of CNN
Pages 773-776
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. ...
Keywords: Indoor Localization, Cross-Domain Image Matching, Convolutional Neural Network, Feature Extraction,
The Accuracy Enhancement of Architectural Walls Quantity Takeoff for Schematic BIM Models
Pages 777-784
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 ...
Keywords: Building Information Modeling, BIM, Quantity Takeoff, 5D BIM, Quantification, Early Stages Design, Schematic BIM Model, Clash Detection
Analysis of Construction Accidents Based on Semantic Search and Natural Language Processing
Pages 785-790
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 ...
Keywords: Construction Accident, Safety Management, Semantic Search, Natural Language Processing
Development of the Education of Open Infra BIM Based Construction Automation
Pages 791-797
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 ...
Keywords: Automation, Education, Infrastructure building information modelling (infra BIM)
A Methodology for the Development of Interoperable BIM-based Cyber-Physical Systems
Pages 798-805
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 ...
Keywords: Cyber-physical systems, Construction Simulation, BIM
Information Modeling of an Underground Laboratory for the R&D of Mining Automation and Tunnel Construction Robotics
Pages 806-810
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 ...
Keywords: Information modeling, IM, BIM, Underground facility, Underground laboratory, automation, robotics, mining, tunneling.
Modelling Information Flow of Occupant Feedback in Office Buildings
Pages 811-818
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 ...
Keywords: Occupant Comfort, Facility Management, FM, Building Information Modeling, BIM, Use Case.
Automatic Reassembly of Fragments for Restoration of Heritage Site Structures
Pages 819-825
Abstract: A major bottleneck activity in the process of restoration of Heritage Structures is the reassembly of its fragments. Computer-aided reassembly could assist in finding the relation between them thereby reducing time, manpower and potential degradation to fragile fragments. Using geometric compatibility between the adjacent fragments as the central idea, a ...
Keywords: Fragment automatic reassembly, Partial Curve matching, Feature extraction, 3D Reassembly, Heritage Restoration
Improved Productivity, Efficiency and Cost Savings Following Implementation of Drone Technology in the Surveying Industry
Pages 826-831
Abstract: The goal of this study was to identify any potential benefits drone technology offers in the surveying industry as compared to traditional methods. Drone technology has advanced rapidly over the past decade, offering greater capabilities every year. These technological advances were the inspiration for this research, with an ultimate desire ...
Keywords: Drone, Unmanned Aerial Surveying, Construction
Integrating Facility Management Information into Building Information Modelling using COBie: Current Status and Future Directions
Pages 832-839
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 ...
Keywords: COBie, Facilities management, BIM, Integration
Trajectory Planning of Forces and Arm Tips for Tumbling Operation by Two Arms
Pages 840-845
Abstract: Rock-wise objects made after natural disasters must be removed by construction machines which are maneuvered by human beings. In that case, from the viewpoint of preventing a secondary disaster, the construction machines are preferable to carry out the task autonomously or by remote operation. We take aim at autonomous tumbling ...
Keywords: Tumbling operation, Nonlinear optimization, Trajectory planning, Algorithm,
Smart Facility Management Systems Utilizing Open BIM and Augmented/Virtual Reality
Pages 846-853
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 ...
Keywords: OpenBIM, Facility Management, Augmented reality, Virtual reality, Maintenance, Process Innovation
Resolution Enhancement for Thermographic Inspection in Industrial Plant Using Deep Convolutional Networks
Pages 854-858
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 ...
Keywords: Thermographic inspection, Industrial plants, Resolution enhancement, Convolutional deep networks
Stacked Hourglass Networks for Markerless Pose Estimation of Articulated Construction Robots
Pages 859-865
Abstract: The objective of this research is to evaluate vision-based pose estimation methods for on-site construction robots. The prospect of human-robot collaborative work on construction sites introduces new workplace hazards that must be mitigated to ensure safety. Human workers working on tasks alongside construction robots must perceive the interaction to be ...
Keywords: Pose Estimation, Stacked Hourglass, Excavator
Robotics in the Construction Industry: State of the Art and Future Opportunities
Pages 866-873
Abstract: This paper discusses the results of a survey regarding state of the art and possible future opportunities for the application of robotic technologies in the construction industry. The survey was conducted by submitting two distinct questionnaires to Arups most experienced technical and business leaders. The paper discusses how the questionnaires ...
Keywords: Robotics, Construction industry, Construction Robots,
Recognition and Positioning of SBCs in BIM Models Using a Geometric vs Colour Consensus Approach
Pages 874-881
Abstract: This paper proposes a new approach that recognizes different kinds of small objects that are commonly seen on walls and ceilings of buildings (Figure 1). The general idea supported in this paper is that such objects, called service building components (SBCs), should be inserted into the structure of the standard ...
Keywords: Object recognition, Scan-to-BIM, Automatic BIM, 3D data processing.
Crane Safety System with Monocular and Controlled Zoom Cameras
Pages 882-888
Abstract: In this paper, we propose an approach and workflow in order to detect humans in the environment around a crane with Monocular Images. The considered area is split up into a zone around the crane truck and one around the load. The load will be monitored with an optical zoom ...
Keywords: Crane, Safety, Human Detection, Deep Learning, Simulation
BIM-based Surface-Specific Solar Simulation of Buildings
Pages 889-896
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 ...
Keywords: BIM, Solar Simulation, Building Façade
Automated Progress Monitoring of Masonry Activity Using Photogrammetric Point Cloud
Pages 897-903
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 ...
Keywords: 3D reconstruction, point cloud, as-built, asplanned, progress estimate
Key Factors of an Initial BIM Implementation Framework for Small and Medium-sized Enterprises (SMEs)
Pages 904-912
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 ...
Keywords: Building Information Modeling (BIM), Building lifecycle, SMEs, Competitiveness, Building industry, BIM implementation framework, Automation and robotics,
Image-based 3D Building Reconstruction Using A-KAZE Feature Extraction Algorithm
Pages 913-917
Abstract: The development of 3D reconstruction from 2D building images enables cost-effective and accurate acquisition of spatial data. Feature extraction is a fundamental technique for 3D reconstruction method. However, buildings mostly consist of planar surfaces whose entities are feature-less. This study presents 3D building reconstruction using A-KAZE feature extraction algorithm. Because ...
Keywords: 3D reconstruction, feature extraction, A-KAZE, binary descriptor, structure from motion, photogrammetry
Integrating Parametric Design with Robotic Additive Manufacturing for 3D Clay Printing: An Experimental Study
Pages 918-925
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 ...
Keywords: Parametric design, Robotic additive manufacturing, Robotic control, Toolpath planning, 3D clay extruder
A Study AR Based Smart Device for Work Management at Plant Construction Sites
Pages 926-932
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 ...
Keywords: Augmented Reality, Smart-Device, Pipe-assembly, DBS(Device Breakdown Structure)
The New Tradition - Dialogues on Production in Architecture
Pages 933-938
Abstract: Tools of digitalisation and automation are changing the labour market and humans interaction with production material in general. In architectural processes, this change involves the stage of production but also, and more interestingly, the design one. Architecture has a social role, which includes many processes. Each process requires different times, ...
Keywords: Cultural change, Manufacturing.
Automating Analysis of Construction Workers' Viewing Patterns for Personalized Safety Training and Management
Pages 939-947
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 ...
Keywords: Hazard Recognition, Construction Safety, Computer vision, Eye tracking
Electrical Appliance Control for Smart Buildings Using Real-time Location Tracking and Virtual Environments
Pages 948-955
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 ...
Keywords: Smart homes, Internet of things, Appliance Control, Real-time tracking
A Simulation-based Earthmoving Fleet Optimization Platform (SEFOP) for Truck/Excavator Selection in Rough Grading Project
Pages 956-962
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 ...
Keywords: Earthmoving, Optimization
Quantitative Framework for Construction Safety Evaluation in Designing Temporary Haul Road Layout on Site Grading Projects
Pages 963-968
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 ...
Keywords: Site Grading, Temporary Haul Road, Layout Design, Safety, Evaluation
Exploring Virtual Reality in Construction, Visualization and Building Performance Analysis
Pages 969-976
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 ...
Keywords: Virtual reality, Laser scanning, Building performance simulation, Visualization
A Probabilistic-Based Deterioration Model Using Ground Penetrating Radar
Pages 977-984
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 ...
Keywords: No keywords
Extending IFC for Fire Emergency Real-Time Management Using Sensors and Occupant Information
Pages 985-992
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 ...
Keywords: BIM, IFC, Sensory Data, Sensor, Occupant, Occupancy, Fire.
Signature-based Matching of IFC Models
Pages 993-1001
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 ...
Keywords: BIM, IFC, Model Server, Model Comparison
A Data-Mining Approach for Energy Behavioural Analysis to Ease Predictive Modelling for the Smart City
Pages 1002-1009
Abstract: Analyzing urban districts to promote energy efficiency and smart cities control could be very complex as big data have to be analyzed filtered to discover unpredictable patterns. Using clustering method, specifically K-means algorithm, allows to create an energy profiling characterization of urban district models with multiple advantages: as first, large ...
Keywords: Clusterization, behavioural modelling, smart city data mining, energy profiling
A 3D Model Compression Method for Large Scenes
Pages 1010-1016
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 ...
Keywords: Mesh model, Simplification, Structure-preserving, Edge collapse
Multiskilled Human Resource Problem in Off-Site Construction
Pages 1017-1021
Abstract: Using multiskilled manpower refers to the ability of dynamically reallocate labour from one stage of production process to another one in response to bottlenecks configuration. This paper investigates improvements in tangible performance measures which can be achieved by incorporating multiskilled workforce in off-site construction. To this end, scheduling in off-site ...
Keywords: Multiskilling, Prefabrication, Labour, Flowshop, Skill
Extension of a High-Resolution Intelligence Implementation via Design-to-Robotic-Production and -Operation strategies
Pages 1022-1029
Abstract: This paper extends the development of a responsive built-environment capable of expressing intelligence with respect to both ICTs and Adaptive Architecture. The present implementation is built with mutually informing Design-to-Robotic- Production & -Operation (D2RP&O) strategies and methods developed at Delft University of Technology (TUD). With respect to D2RP, a responsive ...
Keywords: Design-to-Robotic-Production & -Operation, Ambient Intelligence, Wireless Sensor and Actuator Networks, Adaptive Architecture.
A Methodology for Analysing Productivity in Automated Modular Construction
Pages 1030-1037
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 ...
Keywords: Construction Automation, Modular Construction, EZStrobe
Process of Verification of Earthworks Execution Using Terrestrial Laser Scanning
Pages 1038-1043
Abstract: Interactive verification of construction works should provide for compliance between planned vs. completed works. The task of its fulfilment (especially for larger investment projects) is rather time and labor consuming. There is potential to reduce the duration of a verification process as well as to ensure the results are more ...
Keywords: Earthworks, Cost estimation, Quantity take-off, TLS
A Data-driven Framework to Estimate Saving Potential of Buildings in Demand Response Events
Pages 1044-1051
Abstract: In the U.S., the increasing electricity demand gives pressure on the power grids because of its limited capacity to serve demand. Instead of building new power plants to meet the increasing demand, Demand Response (DR) programs incentivize end-consumers to reduce certain electricity demand during certain periods (e.g., peak demand and ...
Keywords: Facility Management, Demand Response, Electricity Saving Potential, Data-driven, Decision Trees, Ada Boost, Random Forest, Energy Efficiency
Gaussian Markov Random Fields for Localizing Reinforcing Bars in Concrete Infrastructure
Pages 1052-1058
Abstract: Sensor technologies play a significant role in monitoring the health conditions of urban sewer assets. Currently, the concrete sewer systems are undergoing corrosion due to bacterial activities on the concrete surfaces. Therefore, water utilities use predictive models to estimate the corrosion by using observations such as relative humidity or surface ...
Keywords: Concrete sewer, Electrical resistivity, Gaussian Markov Random Fields, Localizing, Non-invasive, Reinforcing bars, Spatial prediction, Wenner technique.
Influence of Upper Body with Dual Arms on Posture Control of Independently Driven Quadruped Crawler Robot
Pages 1059-1065
Abstract: Independently Driven Quadruped Crawler Robot (IDQCR) is able to rescue survivors rapidly in case of disaster situations. In order to prevent rollover, the IDQCR must level out the operator cabin to overcome rough terrain and do posture control when gripper is carrying heavy things of the robot. In this paper, ...
Keywords: Rollover, Influence of Upper Body, Independently Driven Quadruped Crawler, Posture Control, Disaster Response Robot, Wheel-legged System,
Multi-View Matching for Onsite Construction Resources with Combinatorial Optimization
Pages 1066-1072
Abstract: When multiple video cameras are set up to monitor construction activities, onsite construction resources (e.g. equipment and workers) might be captured by two or more cameras at the same time. It becomes important to identify whether the resources captured into separate camera views refer to the same one on the ...
Keywords: Onsite resources matching, Epipolar geometry, Combinatorial optimization, Multiple camera views
Parametric BIM Façade Module Development For Diagrid Twisted Structures
Pages 1073-1078
Abstract: Building Information Modelling (BIM) is an epochal phenomenon in AEC. Most of the developed countries has already adopted BIM by regulations. Biggest projects around the world executing by BIM which provides more effective project management process. Whole construction progress including; feasibility, design, construction and commissioning became digital visualization. Any required ...
Keywords: BIM, Building information modelling, parametric design, computational BIM, visual programming, twisted towers.
Motion Data Based Construction Worker Training Support Tool: Case Study of Masonry Work
Pages 1079-1084
Abstract: Construction work involves a number of repetitive and physically demanding tasks. Exposure to these labor intensive tasks with awkward postures result in an increase in biomechanical risk factors that may lead to work-related musculoskeletal disorders (WMSDs). Thus, it is essential to provide training for apprentice-level workers to adopt safe working ...
Keywords: Construction management, Automation, Masonry, Risk assessment method, RULA, REBA, Training tool, Motion capture system
Radio-Frequency Identification Based Process Management for Production Line Balancing
Pages 1085-1091
Abstract: The widespread application of offsite facilities has encouraged the construction industry to make use of manufacturing approaches to develop efficient production systems. To fully realize the advantages of offsite construction, management must be able to effectively schedule production activities to increase productivity and improve time efficiency. This necessitates a tool ...
Keywords: Offsite Construction, Virtual Manufacturing, Production Line Balancing, Dynamic Scheduling, RFID, Radio-Frequency Identification, Visual Process Management
Designing LiDAR-equipped UAV Platform for Structural Inspection
Pages 1092-1099
Abstract: Efficient inspection and maintenance of bridges are vital for improving safety and sustainability of infrastructure systems. Recently, Light Detection and Ranging (LiDAR) scanners are used for detecting surface defects. The LiDAR scanner can be mounted on an Unmanned Aerial Vehicle (UAV), which provides easier accessibility to most parts of the ...
Keywords: LiDAR, UAV, Structural Inspection
Research Trend Analysis for Construction Automation
Pages 1100-1105
Abstract: Automation has been an active research topicin the construction industry for many years to improve the accuracy, reliability, and efficiency of the construction process. This study identifies global research trends in automation in construction during the past 15 years by analyzing papers published in the journal Automation in Construction. Text ...
Keywords: K-means clustering, Text mining, Keyword network, Trend analysis, Construction automation CAD, 3D, 4D, management, IFC, data, interoperability, simulation, assessment Algorithm, network, scheduling, layout, multi object, planning, swarm, harmony, genetic, ant
Reassigning Construction Laborers Based on Body Motion Analysis
Pages 1106-1112
Abstract: Construction laborers perform multiple labor intensive and physically demanding tasks, which exposes them to the risk of work related musculoskeletal disorders. When construction laborers sustain these injuries, they are typically reassigned to other tasks. The body motion involved in carrying out the assigned task should have limited use of the ...
Keywords: Construction laborers, Work-related musculoskeletal disorders, Reassignment, Wearable technology
Gaming Approach to Designing for Maintainability: A light Fixture Example
Pages 1113-1116
Abstract: Buildings are typically designed to be aesthetically pleasing and cost effective, leaving out maintainability. This is partly because existing tools do not permit the involvement of facility managers or their inputs in the design phase. This has often resulted in the design of buildings with components or systems that cannot ...
Keywords: Maintainability, Gaming Information Modeling
Computational Workspaces Management: A Workflow to Integrate Workspaces Dynamic Planning with 4D BIM
Pages 1117-1124
Abstract: An effective realization of a building construction project - without incurring in congested site areas or decline of productivity - tightly depends on the construction activities planning process that, should consider and manage site workspaces availabilities. In this context, in the past couple of decades many research efforts have been ...
Keywords: 4D BIM, Construction workspace management, Scheduling, computational design.
End-to-end Image-based Indoor Localization for Facility Operation and Management
Pages 1125-1133
Abstract: Recent research on facility management has focused on leveraging location-based services (LBS) to assist on-demand access to model information and on-site documentation. Researchers highlight that fast and robust indoor localization is of great importance for location-based facility management services, especially considering when using facility management services in a mobile computing ...
Keywords: Facility Operation and Management, Image, Indoor Localization, Convolutional Neural Network, Deep Learning
The Module of Rebar Modeling for Chinese Building Standard Detailing Drawings by BIM-based Methods
Pages 1134-1138
Abstract: Reinforcement engineering is one of the most important parts in projects of large reinforced concrete structures. Its quality directly affects the quality of the whole structure. As a matter of fact, many difficulties in rebar engineering remain to be solved, owing to its complexity and variability. Fortunately, the emerging BIM ...
Keywords: BIM, Rebar, Revit API, Secondary development
Construction Process Simulation in Tunnel Construction A Prerequisite for Automation
Pages 1139-1144
Abstract: Construction process simulation allows producing a virtual copy of an existing or planned construction site. The detailed analysis of construction processes and construction logistics with the support of simulation models creates a better understanding of the performance defining aspects. In many construction sites, the actual performances lag behind the planned ...
Keywords: Simulation, Tunneling, Process Modeling,
Trajectory-Based Worker Task Productivity Monitoring
Pages 1145-1151
Abstract: Over the past decades labour productivity in construction has been declining. The prevalent approach to estimating labour productivity is through an analysis of the trajectories of the construction entities. This analysis typically exploits four types of trajectory data: a) walking path trajectories, b) dense trajectories (posture), c) physiological rates such ...
Keywords: No keywords
Applying Object-Oriented Analysis and Design to Digital Construction Logistics Planning from a Material Flow Perspective
Pages 1152-1158
Abstract: Current construction logistics planning in practice is executed as an experience-driven planning and proved as inefficient. Previous outcomes of Building Information Modelling (BIM) provide the fundamental of a digital construction logistics planning. However, an underlying logistics concept and a guidance from the production theory for applying BIM in logistics are ...
Keywords: Logistics, Material Flow, BIM, OOA/D
Construction Worker Detection and Tracking in Bird's-Eye View Camera Images
Pages 1159-1166
Abstract: Construction sites are continuously changing environments where construction workers have to adapt to dynamic situations while executing their work tasks safely and efficiently. Simultaneously, they are surrounded by heavy construction machinery and massive crane loads which they have to be aware of at any time. Frequent interruptions may often lead ...
Keywords: No keywords
RobotEye Technology for Thermal Target Tracking Using Predictive Control
Pages 1167-1173
Abstract: Thermal cameras are widely used in the fatigue analysis of mechanical structures using the thermoelastic effect. Nevertheless, such analysis is hampered due to blurry images resulting from the motion of structure-under-test. To address the issue this paper presents a system that utilizes robotic vision and predictive control. The system comprises ...
Keywords: Automation and control, Computer Vision
Using Wearable Devices to Explore the Relationship Among the Work Productivity, Psychological State, and Physical Status of Construction Workers
Pages 1174-1179
Abstract: Due to the increasing growth of labor cost, academics and practitioners in this field have focused on finding ways to improve work productivity. Many previous studies have indicated that mental status has a deep influence on productivity. However, the relationship among work productivity, psychological state, and physical status has not ...
Keywords: Status monitor, Work productivity, Wearable devices
Earthmoving Construction Automation with Military Applications: Past, Present and Future
Pages 1180-1190
Abstract: Amongst increasing innovations in frontier engineering sciences, the advancements in Robotic and Autonomous Systems (RAS) has brought about a new horizon in construction applications. There is evidence of the increasing interest in RAS technologies in the civil construction sector being reflected in construction efforts of many military forces. In particular, ...
Keywords: Construction automation, Earthmoving, Defence, Robotic and Autonomous Systems.
4D BIM for Improving Plant Turnaround Maintenance Planning and Execution: A Case Study
Pages 1191-1198
Abstract: Four-dimensional (4D) Building Information Modelling (BIM) has been credited with improving construction planning procedures. The integration of 3D model with schedule information has enabled the effective detection of design and planning flaws in many construction projects. Due to the lack of research on using 4D BIM in Turnaround Maintenance (TAM) ...
Keywords: BIM, Turnaround Maintenance, Planning
Mathematical Optimisation of Rail Station Location and Route Design in Urban Regions through Minimising Noise Pollution
Pages 1199-1204
Abstract: The number of cities that are implementing sustainable transportation programs has been recently on the rise. Reliance in large urban areas is on the use of public transportation systems such as busses and rapid transit lines (heavy rail) to act as the main mode of public transport in multi-modal transport ...
Keywords: Station Location Optimisation, Noise Pollution, Sustainable Rail Design, Binary Integer Programming, Location Theory
Persuasive Effects of Immersion in Virtual Environments for Measuring Pro-Environmental Behaviors
Pages 1205-1211
Abstract: In this study, we investigated the effects of immersive vs. non-immersive virtual environment (VE) platforms (i.e., head mounted display (HMD) vs. laptop PC) on compliance with pro-environmental behaviors. We performed a detailed analysis of the effects of these VE platforms on other variables, such as task performance, sense of presence, ...
Keywords: Virtual environments, pro-environmental behavior, immersion, presence, simulator sickness, compliance
Estimating Construction Workers' Physical Workload by Fusing Computer Vision and Smart Insole Technologies
Pages 1212-1219
Abstract: Construction workers are commonly subjected to ergonomic risks due to awkward postures and/or excessive manual material handling. Accurate ergonomic assessment will facilitate ergonomic risk identification and the subsequent mitigation. Traditional assessment methods such as visual observation and on-body sensors rely on subjective judgement and are intrusive in nature. To cope ...
Keywords: Construction worker, Occupational health and safety, Deep learning, Machine learning
Construction Equipment Collision-Free Path Planning Using Robotic Approach
Pages 1220-1225
Abstract: Path planning is crucial in constructability analysis and heavy construction equipment scheduling, particularly in industrial plants. The main purpose of construction equipment path planning is devising the shortest path between its initial and aimed location. This suggested path is supposed to be safe, and collision-free. The current planning practice, even ...
Keywords: No keywords
Utilization of Virtual Reality Visualizations on Heavy Mobile Crane Planning for Modular Construction
Pages 1226-1230
Abstract: Many kinds of industrial projects involve the use of prefabricated modules built offsite, and installation on - site using mobile cranes. Due to their costly operation and safety concerns, utilization of such heavy lift mobile cranes requires a precise heavy lift planning. Traditional heavy lift path planning methods on congested ...
Keywords: Heavy Lift Planning, Virtual Reality (VR), Modular Construction, Automation in Construction, Mobile Crane
Automation of the Execution of Monolithic Reinforced Ceilings
Pages 1231-1237
Abstract: The development in numerical control, 3D technology, as well as new materials, have a great potential in respect of automatic construction, while at the same time they contribute to freeing people from hard physical labour, improve quality of performance, and minimise the volume of waste. Vertical components are erected automatically, ...
Keywords: automation in construction, production organization, JA-WA system, stropotronic, CSA cement