The International Association for Automation and Robotics in Construction
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Abstract: Amidst growing global urgency to address climate change, South Africa has introduced the Carbon Tax Act as a legislative measure to curb greenhouse gas emissions within the built environment, a significant contributor to the nation's carbon footprint. Utilizing a survey-based methodology, this study gauges the awareness, attitudes, and perceived implications ...
Abstract: The rapid advancement of digital technologies has transformed education by introducing immersive tools such as virtual reality (VR) and augmented reality (AR), which enhance learning through interactive and adaptive experiences. In construction, data-sensing technologies such as drones and laser scanners are increasingly used for site inspections, monitoring, and real-time decision-making. ...
Abstract: The construction industry is rapidly evolving due to technological advancements, shifting workforce demands, and increasing project complexities. Emerging tools like Virtual Design and Construction (VDC), Building Information Modeling (BIM), and robotics are reshaping the field, making it essential for academic curricula to align with industry needs. This study examines the ...
Abstract: The Industrialization of Construction (IoC) is transforming the construction industry by integrating manufacturing principles such as prefabrication, modularization, and automation to improve efficiency, reduce waste, and enhance sustainability. This paper explores the state of IoC, examining its benefits, challenges, and future potential. Through a mixed-methods approach including literature review, case ...
Abstract: Building codes are inherently complex and challenging to understand due to their detailed and interrelated safety requirements, technical language, and regional variations. Traditional manual approaches, such as consulting building code experts, are effective but constrained by high labor costs and the frequent updates to building codes. The advent of large ...
Abstract: Modular construction has the potential to improve the current state of construction projects. However, its adoption faces challenges due to the need for effective collaboration and coordination among project teams. Tools such as virtual reality have been utilized to address these obstacles. A significant issue affecting existing virtual reality applications ...
Abstract: The construction industry is characterized by both high physical and psychological risks, yet supports of mental health remain limited. While advancements in artificial intelligence (AI), particularly large language models (LLMs), offer promising solutions, their potential in construction remains largely underexplored. To bridge this gap, we developed a conversational multi-agent system ...
Abstract: This paper serves as a selection manual for project delivery systems (PDSs). This decision is both an early one - the selected PDS informs many of the procedural elements of a project (e.g., contract structure, timelines) - and a critical one - tailoring the selection of PDS to the project's ...
Abstract: Construction workers face challenges in efficiently utilizing augmented reality (AR) task assistance systems due to issues such as design complexity, information overload, and suboptimal system usability. Despite AR's demonstrated capacity to enhance productivity and safety, many existing systems lack systematic refinement processes grounded in industrial design theory and often fail ...
Abstract: Decarbonization in the construction industry is crucial for mitigating its environmental impact. Piling, a key activity in many construction projects, is a significant contributor to carbon emissions, highlighting the need for sustainable practices. This research focuses on optimizing the sustainability of bored piling systems by simulating different construction scenarios. The ...
Abstract: In a context where the construction industry is seeking to reduce its carbon footprint, this article explores the integration of St. Lawrence River dredged sediments as a partial substitute for Portland cement in the design of low environmental impact concretes. The aim is to assess the technical and environmental feasibility ...
Abstract: Despite recent advancements, there has not been a drastic reduction in structure collapse across the world. The impacts have been devastating in the last two decades on human life and properties. The study sets out to compare the frequency, fatalities, and related injuries associated with construction collapse from 2005-2024, to ...
Abstract: Recently, ChatGPT and various large language models (LLMs) have demonstrated remarkable success in natural language understanding, enhancing inspection reporting workflows as assistants. By leveraging the robust text semantics of LLMs, the development of multi-modal models has further expanded their applications to a wide range of scenarios, including visual inspection of ...
Abstract: As the construction industry pursues low-carbon strategies, modular mass timber systems, particularly those using Cross-Laminated Timber (CLT), are emerging as viable alternatives to conventional framing. This study evaluates the environmental performance of CLT floor and ceiling systems compared to conventional lightwood joists in a modular construction context. Using Tally, a ...
Abstract: Construction contracts are complex and contain lengthy textual information which is legally binding. To fully digest those contracts to extract key information is hard and time consuming and requires expertise to work on that. Natural language processing (NLP), due to its ability to understand human-like writing, were researched on in ...
Abstract: This article presents a systemic exploration and subsequent discussion of the diverse technical and regulatory measures implemented by the Canadian government to achieve its climate objectives. It also provides a framework detailing how cities are currently being constructed in Canada.The article seeks to elucidate the meaning of sustainable development for ...
Abstract: Modular and off-site construction (MOC) is gaining popularity, particularly in developed countries, due to its environmental, social, and economic advantages. MOC is recognized for improving productivity, reducing costs, and incorporating innovative technologies, making it an efficient and sustainable project delivery method. In recent years, computer vision (CV) is quickly becoming ...
Abstract: Modular offsite construction (MOC) has emerged as a key solution to address the global demand for efficient and sustainable construction methods. Despite its advantages, MOC faces challenges in factory-based manufacturing, where 70% of construction activities occur. Key challenges include inefficient facility layouts and logistics, limited visibility into process inefficiencies, and ...
Abstract: Integrated Project Delivery (IPD) is recognized as an innovative project delivery method that breaks away from traditional construction management practices and transforms project dynamics through integration and collaboration. Despite its potential, the diffusion of IPD within organizations remains underexplored. Drawing upon Innovation Diffusion Theory, this study investigates how IPD, as ...
Abstract: Ergonomic risk assessment methods are widely utilized in the construction sector to mitigate work-related musculoskeletal disorders (WMSDs). However, current methods, such as the Rapid Entire Body Assessment (REBA) and the Rapid Upper Limb Assessment (RULA), often encounter issues related to overestimation and fluctuation, primarily due to sharp boundaries defined by ...
Abstract: The Safe Drinking Water Act (SDWA) regulates public water systems (PWSs) in the United States (US), serving as a safeguard for public health. Management and resource challenges at utilities can lead to violations of the SDWA, evidenced by the fact that 27 percent of active PWSs were reported to have ...
Abstract: Heating, Ventilation, and Air Conditioning (HVAC) systems account for over 50% of energy consumption in Canada's commercial building sector, highlighting the need for operational optimization to enhance energy efficiency. This study addresses this challenge by analyzing occupant presence to avoid conditioning unoccupied spaces. This investigation focuses on a Montreal case ...
Abstract: Efficient management of resources in construction is one of the key goals that project managers strive to achieve along the lifecycle of a project. On a larger scale, program managers face a more challenging task when allocating different resources among multiple projects with variable and urgent requirements. One of the ...
Abstract: The construction industry plays a significant role in global carbon emissions, yet the focus of decarbonization efforts often centers on the operational phase of buildings and facilities. The construction phase, a critical contributor to overall emissions, has received comparatively less attention. This paper presents the development of a comprehensive model ...
Abstract: Unsafe behavior among construction workers is a major cause of construction site accidents. Despite extensive research on identifying its causes and developing mitigation measures, validating these strategies remains challenging due to practical and theoretical barriers. This study proposes a validation framework integrating agent-based modeling (ABM) with large language models (LLM) ...
Abstract: Since the COVID-19 pandemic, office vacancy rates have increased substantially, causing urban blight, while housing demand remains high. Meanwhile, the built environment is responsible for 40% of global carbon emissions, significantly contributing to climate change. In Seattle, legislative efforts around office-to-residential conversions aim to address vacancy, increase housing, and bolster ...
Abstract: Construction project schedules are highly susceptible to delays, impacting timelines, costs, and overall outcomes. To mitigate these risks, robust sensitivity measures are essential for assessing activity disruptions and supporting effective risk management. Various indices, including the Criticality Index, Cruciality Index, Significance Index, Schedule Sensitivity Index, Management-Oriented Index, and Criticality-Slack Sensitivity ...
Abstract: Highway construction remains one of the most hazardous sectors in the U.S., with safety incidents frequently attributed to behavioral and procedural failures. To enhance compliance, safety incentive and disincentive programs have been implemented across state Departments of Transportation (DOTs), yet their effectiveness varies based on workers' perceptions of fairness, attainability, ...
Abstract: Rapid access of disaster response vehicles to disaster sites is critical for minimizing human casualties and property damage. However, physical constraints, such as narrow roads, hinder the ability of vehicles to meet critical response-time requirements. Although light detection and ranging (LiDAR) sensors can precisely extract road width information, their cost ...
Abstract: Climate change has intensified heat exposure risks for construction workers, significantly affecting labor productivity, safety, and health. Heat stress leads to fatigue, dehydration, reduced cognitive performance, and increased accident risks, ultimately resulting in productivity losses and project delays. This study systematically reviews the existing literature on productivity losses caused by ...
Abstract: This study investigates the spatial distribution of housing costs for finishes and painting in New Cairo using spatial autocorrelation analysis. Traditional cost estimation methods often overlook the influence of spatial dependencies, yet construction costs exhibit distinct geographic patterns driven by supplier proximity, infrastructure, and urban development trends. The global Moran's ...
Abstract: Identifying walking barriers is crucial for ensuring pedestrian safety and mobility, especially in high-risk environments like construction sites. These barriers pose serious safety hazards, such as falls, compromising pedestrian stability and accessibility. Traditional closed-circuit television (CCTV)-based object tracking methods have been used to detect pedestrian movements in response to obstacles ...
Abstract: The construction industry's role as a key economic driver underscores the need for robust mechanisms to measure and manage innovation. While conventional metrics often emphasize cost, schedule, and immediate outputs, emerging trends highlight broader, long-term impacts?particularly those related to sustainability, social well-being, and organizational growth. This study examines current practices ...
Abstract: Construction manufacturing has grown in prominence as an effective paradigm for achieving productive, safe, high-quality, and sustainable construction. The manufacturing system has been the focal point of production, adopting advanced technologies to maximize productivity, increase efficiency, and optimize processes. However, the importance of the human element has been marginalized while ...
Abstract: Surveys have been recognized as a valuable tool for obtaining a current picture of a particular topic, with specific best-practice guidelines established to ensure the survey's effectiveness. These guidelines include designing surveys that are well-structured, visually engaging, dynamic via a continuous responses collection process, and timely in terms of the ...
Abstract: By integrating the use of innovative technologies such as Digital Twin (DT), Building Information Modeling (BIM), and robotics, the lifecycle management of timber construction can be significantly enhanced, which leads to more effective, sustainable, and safer building systems. This paper aims to explore the applications and benefits of three innovative ...
Abstract: The construction industry is responsible for creating the surrounding built environment. However, that industry is one of the most complex and challenging industries that involves a broad range of stakeholders and complex processes. Recently, the construction sector shifted its interest toward the adaptation of Construction 4.0 concept that incorporates Augmented ...
Abstract: Driven by provisional project requirements, the heavy industrial construction supply chain (HICSC) is complex, dynamic, and uncertain. Supplier behaviors further complicate the HICSC, posing additional challenges for general contractors in managing material inventories and project schedules. A limited understanding of supplier reliability and its consequences on HICSC can adversely impact ...
Abstract: Creating inclusive environments like Age-in-Place Homes (AIPHs) needs to incorporate building codes, especially accessibility and Universal Design (UD) guidelines. However, traditional Building Information Modeling (BIM) workflows often have challenges in implementing practical design as they lack standardized methods to integrate the detailed requirements of building code. This study presents a ...
Abstract: Green building certifications (GBCs) have become an important area of focus in the built environment, addressing environmental issues. However, many existing GBCs used globally are not suitable for tropical climates, as they are not explicitly designed to address the unique environmental conditions and requirements of these regions. The study reviewed ...
Abstract: The construction industry is a major contributor to global waste, with the United States generating six hundred million tons of construction and demolition waste in 2018 alone. This highlights the significant environmental challenges requiring immediate attention. The circular economy approach suggests a solution by focusing on waste reduction, reuse, and ...
Abstract: The pursuit of sustainability in complex and innovative construction megaprojects is increasingly urgent as these projects face mounting environmental, economic, and social challenges. The Circular Economy (CE) model has emerged as a transformative strategy, focusing on maximizing the value of materials and products through continuous circulation and minimizing resource waste. ...
Abstract: Circular economy (CE) practices have emerged as a pivotal approach for enhancing sustainability in construction megaprojects. However, their implementation is hindered by the complexity of interrelated drivers. This study investigates the relationships among CE drivers and categorizes them into cause-and-effect groups to support effective decision-making in construction megaprojects. A comprehensive ...
Abstract: The links between urban green infrastructure, UGI, and public health benefits have been established. Also, the healthcare sector is responsible for a sizable portion of global carbon dioxide emissions, accounting for approximately 5% of the total. As energy demand in the sector continues to rise, sustainable solutions are urgently needed. ...
Abstract: The rapid growth of the global urban population has increased the demand for high-rise buildings, which address spatial limitations in densely populated areas. However, designing these structures poses significant challenges, including ensuring structural stability, managing lateral loads, and balancing safety with cost-effectiveness. Traditional design processes often rely on trial-and-error methods ...
Abstract: Traditional project delivery methods create a zero-sum game, where stakeholders' interests often conflict with the overall project goal. Advanced project delivery methods, such as Integrated Project Delivery (IPD) and Construction Manager at Risk (CMAR), have emerged to address this issue. These methods use the target cost system to align the ...
Abstract: Improving urban environmental quality is essential for enhancing citizens' well-being and achieving sustainable urban development. The state of urban spaces affects considerably the way people experience comfort, safety, and satisfaction. Addressing these challenges requires a systematic microscale evaluation to facilitate targeted street- or district-level improvements. While streetscape image analysis enables ...
Abstract: Possessing the largest interstate highway system in the world, the United States relies on road transportation as the main propulsion of its economy. Highway infrastructure inspection is therefore critical for the federal and state governments during construction, operation, and investment decision-making. This study maps and evaluated the adoption of digital ...
Abstract: This study evaluates the life cycle environmental and energy performance of two parking structure prototypes in London, Ontario, Canada: (1) an automated steel parking tower with photovoltaic (PV) panels on the roof and south-facing façade, and (2) a ground-level concrete parking structure with rooftop PV. Using Life Cycle Assessment (LCA), ...
Abstract: The corrosion of concrete sewers presents a serious challenge to urban infrastructure, threatening the structural integrity and operational efficiency of wastewater systems worldwide. Corrosion occurs through chemical and biological reactions, where the formation of sulfuric acid due to microbial activity leads to progressive deterioration of concrete surfaces, ultimately weakening the ...
Abstract: Hydrogen sulfide (H?S) emissions are a major contributor to sewer corrosion, posing risks to infrastructure durability, public health, and the environment. A comprehensive understanding of the factors influencing H?S formation and emissions remains incomplete despite extensive research. This study aims to analyze the impact of hydrogen sulfide factors (HSF) and ...
Abstract: The latest milestone for building product manufacturers seeking to increase their low-carbon product portfolio and reduce their carbon footprint, is to offer carbon-neutral products that are third-party verified. This involves extensive emission reductions in the manufacturing process, obtaining certified carbon offsets, and having the process successfully audited by a reputable ...
Abstract: The construction industry's high resource consumption and greenhouse gas emissions emphasize the need for sustainable approaches. Sustainable construction minimizes environmental impact while balancing environmental, social, and economic priorities to promote long-term sustainability. A critical factor in achieving sustainable construction is the selection of an appropriate project delivery method (PDM). This ...
Abstract: Modular Off-site Construction (MOC) offers greater efficiency and cost-effectiveness compared to traditional construction methods. However, there is significant potential to further enhance sustainability outcomes by adopting Lean principles on a wider scale. With growing expectations for sustainable practices, it is essential to explore how Lean management principles recognized for reducing ...
Abstract: Construction activity sequence planning ensures the structured execution of construction processes by defining task order, dependencies, and constraints. While traditional planning methods rely on predefined templates, fragnets, or automated approaches using large language models, machine learning, and 4D building information modeling (BIM), these methods often struggle to address site-specific and ...
Abstract: The construction industry is crucial to the global economy, yet project management and progress monitoring often suffer from delays and cost overruns. While many studies have examined RGB cameras, LiDAR scanners, and Computer Vision (CV) algorithms for tracking physical progress, most are project-specific, and a widely adopted data collection and ...
Abstract: In modular building, space layout planning (SLP) involves the strategic arrangement and dimensioning of modules to enhance space efficiency and functional performance. Since SLP has a major influence on reducing the environmental burden when influential attributes are being decided, integrating SLP with Life Cycle Assessment (LCA) is important for enhancing ...
Abstract: The construction industry's decarbonization has become a critical priority due to its significant contribution to global CO2 emissions, which exacerbate climate change. Addressing high_xFFFE_emission activities such as earth-moving operations is essential. While numerous studies have sought to analyze and mitigate construction-related emissions, most rely on deterministic methods that lose accuracy ...
Abstract: With individuals spending over 85% of their time indoors, maintaining thermal comfort is vital. This study introduces a synthetic dataset and applies a zero-shot large language model to clothing insulation recognition, achieving high accuracy and demonstrating scalable approaches for occupant-centric control systems.
Abstract: This research proposes an automated master scheduling system for panelized construction supply chains, integrating production, transportation, and onsite assembly. Heuristic scheduling, genetic optimization, and simulation are combined to improve coordination, reduce bottlenecks, and enhance supply chain performance.
Abstract: Equitable access to transit infrastructure and affordable housing is essential for health, education, and employment opportunities in metropolitan areas. However, many US cities prioritize car centric mobility that often overlooks the combined impact of housing characteristics and multimodal accessibility on vulnerable populations. While existing studies examined transit and social vulnerability ...
Abstract: The construction industry is among the most hazardous sectors with injuries often resulting in severe consequences, including life-long disabilities and fatalities. Over the years, various strategies have been developed to improve worker safety and accident prevention. While recent advancements in Natural Language Processing (NLP) have enabled researchers to derive meaningful ...
Abstract: Integrating augmented reality (AR) technology across various industries has demonstrated significant utility, particularly in the retail and marketing domains. While the adoption of innovative technologies such as AR and building information modeling (BIM) is growing in the construction sector, especially among larger contractors, small contractors with fewer than ten employees ...
Abstract: Manual construction demolition involves repetitive, physically demanding tasks that expose workers to significant ergonomic risks, including musculoskeletal disorders (MSDs). This study integrates computer vision-based pose estimation with the Rapid Entire Body Assessment (REBA) framework to evaluate these risks systematically. Using the YOLOv8 pose estimation model, key joint angles such as ...
Abstract: Single-family detached and attached homes constitute a significant portion of Canada's housing stock, many of which were constructed during the pre-sustainability era. Given their substantial energy demand, retrofitting these buildings is essential for meeting Canada's climate action goals. With a wide range of retrofit options available to reduce energy use, ...
Abstract: The contemporary construction project delivery in Northern Canada (NC) experiences unique challenges due to geographic location, extreme weather, and logistical challenges. Despite being a potential solution, a clear knowledge gap exists on the increase in the uptake of state-of-the-art technology for construction project delivery in NC. This paper explored the ...
Abstract: The recent labour shortage in the construction industry has been exacerbated by health and safety issues due to the harsh work environment, long hours, and intense physical stresses. In a step towards better health, safety, and productivity, this paper presents an evaluation of several low-cost wearable devices for construction workers. ...
Abstract: Given the dynamic nature of construction, evolving standards, principles, and methodologies introduce new considerations in the delivery of construction projects. A project manager plays a pivotal role in ensuring overall project success by effectively overseeing project execution in light of these potentially conflicting factors. As such, there is increasing interest ...
Abstract: The purposes of this study are to identify the types and numbers of civil complaints raised at construction sites, examine their correlation with the spatial characteristics of the surrounding area, and investigate the impact of these complaints on project schedule performance. The frequency of construction-related complaints has steadily increased, presenting ...
Abstract: Water distribution failures and service outages present significant challenges for vulnerable communities. For example, boil water notices are often issued to protect public health when there are water quality concerns. In turn, residents must rely on alternative water sources, which adds to existing social and economic challenges (e.g., financial burdens, ...
Abstract: As the built environment faces growing sustainability and resilience challenges, autonomous technologies (AT) have emerged as promising tools for adaptive and data-driven decision-making. Powered by artificial intelligence (AI), these systems can operate with minimal human intervention and hold the potential to transform how buildings, infrastructure, and urban systems are managed. ...
Abstract: Embodied carbon (EC) is becoming a dominant factor in energy-efficient buildings, often accounting for over 50% of their life-cycle emissions in new construction. Therefore, minimizing building EC emissions is imperative to meeting Canada's climate targets under the Paris Agreement and supporting the transition to a low-carbon built environment. Early design ...
Abstract: Energy equity, which addresses disparities in access to affordable and reliable energy, is a critical challenge within the architecture, engineering, and construction (AEC) sectors. As future AEC professionals shape how infrastructure systems would function to support human activities, engineering educators in higher education increasingly recognize the need to equip students ...
Abstract: The construction industry is facing a skilled labor shortage driven by an aging workforce and increased retirement and turnover. This skilled labor shortage is impacting project delivery and performance. So, organizations are challenged to find strategies to mitigate the loss of their experienced workforce. There is a lack of understanding ...
Abstract: The water distribution system supplies drinking water to households through service lines (SLs), which may contain lead, posing significant health risks, especially for children. Due to its durability and corrosion resistance, lead was widely used in residential service lines in the U.S., leaving many municipalities uncertain about the number and ...
Abstract: Many state departments of transportation (DOTs) have used alternative contracting methods (ACMs) in addition to the traditional design-bid-build delivery method. Despite the growing adoption of ACMs, the research on the benefits and challenges of using programmatic approaches to ACMs in highway infrastructure projects is still limited. This study aims to ...
Abstract: Public infrastructures are complex systems that act as the backbone for cities' livability and economy. Recent directions from different levels of government encourage the development of infrastructure asset management plans to track infrastructure performance and plan for renewal and forecast activities. Even though infrastructure performance metrics have been widely explored, ...
Abstract: The construction industry is a major contributor to environmental degradation, resource consumption, and greenhouse gas emissions. This research proposes an innovative, automated system for the sustainable evaluation of construction contracts by integrating advanced machine learning (ML) techniques and large language models (LLMs). The proposed framework automates extracting, classifying, and evaluating ...
Abstract: Building Information Modeling (BIM) is a digital process that enables the creation, management, and sharing of structured data throughout the lifecycle of construction projects, fostering efficiency, collaboration, and sustainability. In recent years, several governments have implemented national action plans to support BIM adoption, but with different timelines and strategies. France ...
Abstract: The construction industry is fraught with complex hazards and high accident rates, underscoring the need for more effective safety training methodologies. Traditional lecture-based approaches often fail to prepare workers for the on-site dynamic risks. This study introduces an innovative virtual reality (VR) training kit designed to immerse construction personnel in ...
Abstract: Code compliance checking of building fire protection is crucial for building design quality and safety. The BIM-based automated approach, with its low error rate and high efficiency, has drawn much research attention compared to manual checking. The integrity of the building model is essential to ensure accurate automated checking results. ...
Abstract: The Construction Industry Institute (CII) has produced extensive research shown to deliver cost, schedule, and safety benefits within the construction industry. However, low visibility and limited accessibility to the research have hindered its widespread adoption. This paper introduces a generative artificial intelligence (GenAI) framework designed to enhance the accessibility and ...
Abstract: The façade engineering delivery process is intrinsically complicated, with multi-phase interactions among various stakeholders and iterative procedures. Process optimization becomes hindered by the key challenges of rework, delays and bottlenecks that arise within the delivery framework. Value Stream Mapping (VSM) originating from lean manufacturing has demonstrated use across construction projects ...
Abstract: The lack of digitization and efficient utilization of legacy data stored in paper-based engineering drawings pose a significant challenge in the maintenance and management of aging infrastructure, as these documents are critical for assessing structural conditions and planning repairs. Extracting and organizing information from a large volume of drawings is ...
Abstract: The industry is increasingly recognizing the importance of reducing greenhouse gas (GHG) emissions, leading to the widespread adoption of Whole-Building Lifecycle Assessment (wbLCA) as a crucial tool for evaluating environmental impacts. However, the effectiveness of wbLCA is limited by the lack of standardized benchmarking methods, resulting in significant variability in ...
Abstract: Researchers across engineering and planning fields continue to raise concerns regarding the increased risk of flooding throughout the United States due to climate change and rapid urbanization, and this is particularly true along the nation's coasts. However, at the point of decision, communities continue to opt to develop within known-flood ...
Abstract: In quality assurance (QA) programs, quality control (QC) is essential to manage and produce quality work in transportation infrastructure projects. However, the current literature shows that QC plans are often developed with the sole purpose of meeting specification requirements from the agencies. A research gap exists regarding investigations of QC ...
Abstract: Quality control (QC) is an essential component of quality assurance (QA) programs used to manage the quality of highway construction projects. As state departments of transportation (DOTs) are increasingly implementing alternative contracting methods (ACMs), including design-build, construction manager/general contractor, and public-private partnerships, it is important to consider the impact of ...
Abstract: Planning the delivery of Scattered Repetitive Projects (SRPs), such as multi-school rehabilitations, is a challenging task to determine the work sequence for the crews to meet delivery constraints. Traditional scheduling methods struggle to handle the unique challenges posed by geographically dispersed work units, where crew travel times, work conditions, and ...
Abstract: In response to an aging infrastructure network, population growth, and the rising complexity of project delivery, Canada's infrastructure procurement landscape has undergone significant transformation in recent years. In light of this, collaborative project delivery methods, including Progressive Design-Build (PDB), Integrated Project Delivery (IPD) and Project Alliancing (PA) have recently gained ...
Abstract: Accelerated bridge construction methods such as prefabricated bridge elements, lateral slides, and self-propelled modular transporters are increasingly adopted to minimize on-site construction time, reduce traffic disruptions, and improve safety and quality of planned projects. To ensure the cost effectiveness of all bridge construction projects, decision makers need to accurately estimate ...
Abstract: This study explores the potential of surface resistivity testing as a quality control and quality assurance (QC/QA) tool for ready-mix concrete. Unlike compressive strength, resistivity measurements capture both physical and chemical changes over time, making them a more sensitive indicator of mixture design variations. The research introduces a machine learning ...
Abstract: This study presents a comparative analysis of market-available sustainable building materials and green energy technologies aimed at improving energy efficiency and resilience in residential structures. Detailed energy simulation models were developed in EnergyPlus to assess performance across three Texas climate zones. Alternative materials and green energy technologies were evaluated based ...
Abstract: Contractual frameworks are critical in project management and safety risk mitigation. This study aims to (1) evaluate the effectiveness of CM/GC contractual provisions in mitigating safety-related risks, (2) identify the advantages and limitations of existing safety and temporary structure clauses, and (3) develop a practical tool for improving contract enforceability ...
Abstract: The global construction industry faces significant challenges in achieving high safety standards, with near-miss incidents often highlighting gaps in adherence to safety protocols. This study investigates the relationships between near-miss incident frequency and key safety engagements?knowledge level, adherence to safety protocols, and toolbox meeting participation. Using an ethnographic case study ...
Abstract: Decarbonizing the construction industry has been a significant focus of researchers in recent years. Modular and off-site construction (MOC) has been implemented since to be a solution to this purpose. Embodied and operational emissions are connected to non-optimized space layout planning (SLP). However, three major problems have contributed to the ...
Abstract: Mass timber is a sustainable building material gaining popularity in the U.S. construction industry as an alternative to conventional materials like concrete and steel. The growth in mass timber projects reflects its recognized benefits, including structural performance, construction speed, environmental sustainability, and aesthetic appeal. However, productivity challenges unique to mass ...
Abstract: Urban sewer infrastructure is under increasing strain from population growth, network expansion, and aging. Consequently, pipe failures endanger public health and environmental safety. Traditional infrastructure management primarily relies on reactive maintenance. However, recent advances in predictive modeling have enabled proactive approaches to condition assessment. Most models assess current pipe conditions ...
Abstract: Task complexity governs human cognition, influencing decision-making, problem-solving, and performance. Behavioral science has long explored complexity from a cognitive load perspective, yet construction research often treats it as an operational obstacle rather than a structured phenomenon. In many cases, complexity is used as a generic term in construction research, lacking ...
Abstract: Renewable Energy Community (REC) is an emerging concept that empowers local customers to generate decentralized renewable energy. Integrating RECs into the building industry presents a promising opportunity to support the transition toward net-zero cities. However, the viability of RECs depends on regional regulatory frameworks, permitted governance structures, and very importantly, ...
Abstract: With the growing awareness of wearable devices' potential for enhancing construction safety and health monitoring, concerns regarding the privacy and security of collected health data have emerged as significant factors influencing adoption. The lack of industry-specific regulations on wearable technology has led construction companies to rely on off-the-shelf devices, potentially ...
Abstract: This paper presents a novel approach that leverages speech recognition and natural language processing (NLP) to streamline construction schedule management within the four-dimensional (4D) Building Information Modeling (BIM) environment. A tool named "Voice-Integrated Scheduling Assistant for 4D BIM" (VISA4D) has been developed as part of this study. The users can ...
Abstract: Condition assessment of offshore gas pipelines is a significant component in pipeline operations and maintenance. They are used to ensure better decisions for repair and/or replacement and reduce failure possibilities. Therefore, it is valuable to have effective condition assessment of pipelines to prevent failure incidents. Furthermore, current practices of assessing ...
Abstract: Water Distribution Systems (WDS) are critical components of physical infrastructure providing safe, clean water supply continuously to urban populations, economic activities, and the public health system. These systems must be reliable to endure growing demands, aging infrastructure, and environmental uncertainties. Several indices have been developed to measure WDS reliability, such ...
Abstract: Recent nuclear power plant construction in the United States has faced significant cost and schedule overruns as cited by several references. Exploring new project delivery system and contracting strategy can enhance project success, and optimizing these in new-build nuclear power construction could potentially reduce capital cost and improve cost and ...
Abstract: Efficient bridge management is crucial for governments, yet this task is increasingly challenging due to the accelerated deteriorations due to the climate change. In Ontario, the bridge infrastructure network is composed of 5,053 bridges with records from 2000 to 2020. Biannually, inspectors perform a bridge inspection and assign a grade ...
Abstract: One of the earliest and most essential decisions that need to be made in a construction project is the owner's selection of delivery method system to be used. This selection dictates how the contract language allocates risk, aligns different stakeholders and determines the timing, involvement and collaboration. This paper synthesizes ...
Abstract: The International Road Assessment Program (iRAP) is a global initiative aimed at enhancing road safety through systematic evaluations of road conditions and infrastructure. Traditionally reliant on manual visual assessments, recent advancements are shifting toward automating these processes to improve efficiency and scalability. This study presents a deep learning framework utilizing ...
Abstract: Modular and Off-site Construction (MOC) is a construction methodology that can meet the demands of a rapidly growing population by overcoming productivity challenges associated with conventional construction. However, the adoption of MOC remains limited, partly due to a lack of understanding of the MOC Supply Chain's structure, particularly regarding material ...
Abstract: The construction industry is under increasing pressure to mitigate its environmental impact. In Canada, the building sector ranks as the third-largest contributor to carbon emissions, accounting for 13% of the nation's total emissions. This underscores the urgent need for innovative construction paradigms to address environmental challenges (e.g., carbon emissions). While ...
Abstract: Risk transfer, insurance acquisition, and claims management can be challenging for complex construction projects. Various studies have separately identified qualifications-based selection, target pricing, and teaming agreements as contracting and procurement approaches to mitigate these challenges. Progressive design-build (PDB) methods can encompass all these approaches. Still, research on the PDB method's ...
Abstract: This research project explores the supply side of housing shortages and the potential to increase capacity through the adoption of off-site construction (OSC) in Newfoundland and Labrador (NL). By engaging stakeholders across government, industry, and academia, the Province's potential to scale factory-built housing as a sustainable, fast and affordable solution ...
Abstract: In the context of smart community construction, understanding residents' participation intention is crucial to ensure the sustainability, inclusiveness, and overall success of these projects? people-oriented development of smart community construction.
Abstract: The growing focus on sustainable construction practices has brought mass timber to the forefront as a promising material for multistory buildings. Previous studies have highlighted its advantages, including reduced carbon emissions, faster construction times, and improved aesthetics. However, they have also identified barriers such as fire safety concerns, high upfront ...
Abstract: The construction industry is a labor-intensive sector that relies heavily on human expertise, physical effort, and team interactions within complex systems. Advancements in digital technologies have led to a paradigm shift towards digital twin (DT) systems, which enable real-time data analysis, predictive modeling, and enhanced decision-making processes. However, despite these ...
Abstract: Construction scheduling is a complex and critical component of project planning with substantial financial implications. Effective scheduling enhances project efficiency by controlling costs, allocating resources, and reducing durations. Manual scheduling is common but time-consuming and prone to errors. Automation in construction scheduling has evolved since the early 1980s, with recent ...
Abstract: Preventive maintenance of municipal drainage infrastructure plays a vital role in ensuring its operational effectiveness, especially as aging systems require proactive solutions and municipalities emphasize preventive maintenance to avoid costly failures. Using object detection models to automate defect detection in drainage pipeline can increase efficiency and reduce the need for ...
Abstract: The Carbon Tax Act, enacted in South Africa in 2019, seeks to address climate change by reducing greenhouse gas emissions through taxation on carbon-intensive activities. As a major contributor to global carbon emissions, the built environment faces significant challenges in adapting to this legislation. Despite its potential to drive sustainability, ...
Abstract: The emergence of Industry 5.0 (I5.0) represents a transformative shift in industrialization, emphasizing human-centric, sustainable, and resilient production systems. I5.0 builds on Industry 4.0 (I4.0) technologies such as Digital Twins (DTs) for real-time monitoring, predictive analytics, and process optimization, and Virtual Commissioning (VC) for testing and validating automation systems in ...
Abstract: The construction industry accounts for 37% of global emissions in 2022, mainly from the production and transportation of materials, making it a critical contributor to greenhouse gas (GHG) emissions. Green Supply Chain Management (GSCM) offers principles to reduce emissions and improve sustainability across the supply chain. Yet, the industry faces ...
Abstract: Large-scale infrastructures including bridges are designed for long lifespans and yet require substantial materials such as concrete and steel, which have high impacts on the environment. Therefore, considering the sustainability requirements early during the design stage is crucial. Life cycle assessment (LCA), which is a systematic and standardized approach for ...
Abstract: Building Information Modeling (BIM) is widely recognized for its potential to enhance efficiency, coordination, and data-driven decision-making in construction. Yet, despite increasing adoption, its measurable impact on cost, schedule, and quality outcomes remains largely anecdotal and insufficiently validated. Existing evaluation methods often rely on binary or checklist-based assessments, focusing on ...
Abstract: Coastal communities worldwide face increasing threats from disasters. 5While prior studies have emphasized the importance of integrating stakeholders' values (i.e., the things that are of importance to stakeholders, such as structural robustness, adaptability, and affordability) into resilience planning, they often fail to consider the value systems surrounding these stakeholders and ...
Abstract: Integrating Building Information Modeling (BIM) with Life Cycle Assessment (LCA) has comprehensively evaluated environmental impacts by advancing sustainable construction practices. However, BIM models often lack sufficient detail and essential information for LCA, depending on the Level of Detail (LOD) and the Level of Information (LOI) incorporated during the design phase. ...
Abstract: Managed public-private competition (MPPC) models have not been widely utilized for infrastructure delivery despite their potential to leverage the expertise and experience of public owners for cost-effectiveness. In MPPC, part of the public owner's organization competes with private firms, often for operations and maintenance contracts. However, direct competition between public ...
Abstract: The Utah Department of Transportation (UDOT) manages over 120,000 culverts and storm drain pipes critical to the state's transportation infrastructure. Manual inspection methods for culverts, relying on visual assessments, are time-intensive, inconsistent, and prone to human error. This paper explored the use of advanced computer vision techniques to automate culvert ...
Abstract: Cross-laminated timber (CLT) offers considerable potential in decarbonization of the built environment by enhancing construction efficiency and productivity through offsite construction and providing carbon storage benefits in Life Cycle Analysis (LCA). In multi-unit residential buildings (MURBs), suboptimal acoustic performance of Mass Timber poses design challenges. Integration of acoustic dampening layers ...
Abstract: This research presents a novel conceptual framework designed to tackle productivity challenges in Canada's construction sector, which are often affected by human factors such as stress, fatigue, and motivation. Utilizing fuzzy hybrid modeling and real-time physiological data captured via wearable sensors, this approach aims to transform the management of workers' ...
Abstract: With the growing focus on fostering a diverse and inclusive workforce, understanding the barriers and opportunities for underrepresented groups in leadership roles has become increasingly important. This study examines the career trajectories of Asian American professionals in the Architecture, Engineering, and Construction (AEC) industry, highlighting the factors influencing their advancement ...
Abstract: The integration of spatial autocorrelation models into real estate market analysis has gained significant attention due to the inherent spatial dependence in property values. This study examines the impact of spatial lag on real estate market dynamics, highlighting how spatial interactions among properties influence price formation and market stability. By ...
Abstract: Pedestrian mobility, accessibility, and urban connectivity are highly influenced by urban road networks and public transportation systems. This paper aims to integrate space syntax analysis with spatial autocorrelation methods to investigate the spatial configurations of road networks and public transit accessibility, with a particular focus on pedestrian movement patterns. Moran's ...
Abstract: The construction sector is a major contributor to global waste generation, particularly through construction and demolition (C&D) activities. With growing pressure to reduce environmental impact and transition toward a circular economy, material reuse has emerged as a critical strategy for sustainable development. This paper addresses the need for a structured ...
Abstract: Hurricane Michael struck Tyndall Air Force Base as a Category 5 storm with 160 mph winds, damaging or destroying 90% of its infrastructure (484 buildings). In response, the Department of Defense launched a massive reconstruction effort, rebuilding Tyndall as the "Installation of the Future" through 44 Military Construction (MILCON) projects ...
Abstract: The construction industry remains one of the most hazardous sectors globally, with occupational incidents continuing to pose significant risks despite notable advancements in safety standards and regulations. Traditional safety management practices often focus on lagging indicators which, while useful for retrospective analysis, fail to proactively address emerging risks or cultivate ...
Abstract: The construction industry is facing increased pressure to reduce its environmental impacts, with a special focus on Decarbonization. Integrating Life Cycle Assessment (LCA) with Building Information Modeling (BIM) has proven to be a valuable means for evaluating environmental impacts. However, the effective integration of BIM and LCA is still a ...
Abstract: The construction sector is responsible for 40% of the global natural resources exploitation, and 40% of CO2 emissions. Steel is a key construction material with significant potential to support the transition to a low carbon-built environment due to its durability, recyclability, and ease of reuse. Recycling steel components is the ...
Abstract: Sankey diagrams are powerful visualization tools used to map inflows and outflows in complex systems. Despite their widespread use in other disciplines, their application in construction research remains limited. This paper explores the use of Sankey diagrams to visualize workforce migration patterns in construction and engineering between 2013 and 2023. ...
Abstract: The rapid advancement of artificial intelligence is reshaping conventional educational paradigms, making it critical to integrate AI effectively and efficiently into Architecture, Engineering, and Construction education. Specifically, Generative AI tools enable personalized learning and adaptive instruction within learner-centered learning environments. However, the perceptions of students and educators regarding this radical ...
Abstract: The Department of Defense faces significant challenges in maintaining mission-critical infrastructure in highly corrosive environments, leading to increased costs and sustainment inefficiencies. This study examines the relationship between environmental severity, infrastructure condition, and Facility Sustainment, Restoration, and Modernization funding. Statistical and time-series analyses demonstrate that bases in high-severity environments require ...
Abstract: Disputes are an inevitable challenge in construction projects, particularly in large-scale transportation infrastructure initiatives using design-build delivery. Early involvement of the design-build team with limited design intent often leads to disputes arising from differing contract interpretations and misaligned expectations. This study investigates dispute resolution procedures employed by state departments of ...
Abstract: Globally, the construction industry faces persistent challenges in quality management, leading to frequent delays, cost overruns, and reduced stakeholder satisfaction. A 2024 study revealed that 98% of contractors in North America encountered significant quality issues, including errors, omissions, and rework. Total Quality Management (TQM) presents a strategic approach to mitigating ...
Abstract: Integrating sustainability into engineering education is critical for addressing climate change and its impacts on communities disproportionately affected by environmental challenges. Yet, little research has examined how underrepresented minority students at minority-serving institutions perceive and engage with sustainability-related content and careers. Accordingly, this study investigates the relationships among demographics, sustainability ...
Abstract: Construction technology is a critical component of the construction industry, offering opportunities to enhance efficiency, productivity, and innovation. However, its implementation is often hindered by challenges, such as limited workforce capacity, high costs, and time constraints. These challenges are particularly significant for young professionals, who are still navigating the industry ...
Abstract: The construction industry is among the most resource-intensive sectors, generating the highest levels of waste and emissions. Implementing Circular Economy (CE) principles offers a promising pathway toward a more sustainable built environment. However, a successful transition requires a robust assessment framework to support the development and adoption of CE strategies. ...
Abstract: Job Hazard Analysis (JHA) is a crucial process for identifying and mitigating risks in construction workplaces. Traditional JHA methods rely heavily on manual expertise, making them time consuming, knowledge-intensive, and prone to inconsistencies. This research proposes an AI-driven framework that integrates Large Language Models (LLMs) with Neo4j-based Knowledge Graphs (KGs) ...
Abstract: This research explores the challenges faced by the construction industry in implementing lean principles and emerging technologies such as Building Information Modelling (BIM), Digital Twins, Artificial Intelligence (AI), and the Internet of Things (IoT). While these methodologies and tools hold significant potential to improve project efficiency, reduce waste, and enhance ...
Abstract: The optimization of foundation design represents a pivotal domain within structural engineering, addressing the dual imperatives of cost efficiency and structural performance. This research introduces a computational framework to optimize the design of shallow foundations using Genetic Algorithms, Particle Swarm Optimization, Differential Evolution, and the Nelder Mead method. The optimization ...
Abstract: Public-Private Partnerships (P3) have been widely used to fund, design, construct, and operate public infrastructure projects. This study examines financial modeling practices in U.S. P3 highway projects, focusing on funding mechanisms such as Private Activity Bonds, TIFIA loans, and public-sector payments. Survey and case study results show that the use ...
Abstract: Building Information Modeling (BIM) has become a foundational technology in the construction sector, revolutionizing collaboration and lifecycle information management and leading to building design and management efficiency. When applying BIM to energy efficiency, meeting the requirements of the National Energy Code of Canada for Buildings (NECB) poses unique challenges due ...
Abstract: The International Space Station (ISS) is the largest human-made structure in Earth's orbit and a fully industrialized modular construction project assembled through international collaboration. This paper presents a comprehensive case study of the ISS construction process, focusing on modularity, prefabrication, robotics, and planning. The findings identify lessons for terrestrial construction, ...
Abstract: Water and wastewater facilities are essential to infrastructure development. This study investigates whether payment and procurement methods affect cost and schedule performance in design-build water and wastewater projects. Data collected from the Design-Build Institute of America show that while certain methods exhibit lower average cost or schedule growth, statistical tests ...
Abstract: Construction workers perform strenuous tasks requiring long hours of physical labor and constant movement in a fast-paced environment. The time pressure induced by construction operations greatly contributes to Work-Related Musculoskeletal Disorders (WMSD) and muscular fatigue, as it forces workers to perform tasks at a faster pace, often resulting in unsafe ...
Abstract: The construction industry faces unique challenges in adopting automation technologies due to its labor-intensive and dynamic nature, where processes from design to construction are nonlinear and interdependent. Although automation technologies from other industries have been adapted for construction, they often fail to align with the industry's distinctive characteristics. To address ...
Abstract: Fall accidents are a major threat to worker safety, especially in high-altitude environments such as construction sites. Falls remain the leading cause of workplace fatalities and injuries, making safety at heights a critical industry challenge. Traditional safety measures focus solely on checking harness fastening before work begins, making it difficult ...
Abstract: In the construction industry, heavy machinery plays a crucial role but is also a significant factor in many accidents. Collisions between machinery and workers account for approximately 30-40% of all heavy machinery-related incidents, according to the Ministry of Land, Infrastructure, and Transport in Korea. To address these issues, various safety ...
Abstract: The building sector significantly contributes to carbon emissions, mainly due to the extensive use of concrete in residential construction. Rapid urban development in residential areas has intensified these emissions, necessitating effective management strategies. Despite its importance, the life cycle environmental impacts of residential building construction remain underexplored in urban sustainability ...
Abstract: The growing complexity of construction engineering education calls for innovative methods to connect theory with practice. Extended reality (XR) offers transformative opportunities, yet its adoption in construction education lags behind other fields. Therefore, this study systematically reviews XR applications in construction engineering education through a three-step methodology: identify review strategies, ...
Abstract: Effective financial planning and control of construction projects depend on proper cash flow and profitability analytics to achieve successful outcomes. Digitalization of construction data, through construction management software tools, has gained momentum in the past 5 to 10 years. Procore is a leading example of such solutions, holding approximately 6.2% ...
Abstract: Topographic data is a critical input for flood simulations and scenario generation. This research evaluates the data from both photogrammetry and Light Detection and Ranging (LiDAR) technologies for generating water infrastructure topographic information. In particular, the study discusses the accuracy and cost-effectiveness of aerial photogrammetry and LiDAR in producing high-resolution ...
Abstract: The construction industry is a key driver of Canada's economy, yet labour productivity has declined to its lowest level in three decades. A major barrier to improvement is the lack of a standardized framework for productivity measurement. This study conducts a systematic literature review integrating quantitative bibliometric analysis and qualitative ...
Abstract: The demand for faster, more sustainable construction methods has driven innovation in off-site manufacturing, including precast concrete panel production. This paper presents a case study conducted at a precast concrete panel manufacturing facility in Edmonton, Canada, where lean philosophy is applied to analyze and optimize the production process. Through direct ...
Abstract: Advanced construction practices such as Modern Methods of Construction (MMC) have gained significant traction across construction sectors globally with the US and Europe reporting substantial cost savings and productivity gains. The Canadian construction sector has not achieved similar returns, with recent years marking record lows in construction capacity utilization. In ...
Abstract: The construction sector has faced stagnant productivity growth, struggling to match advancements in other industries and meet rising demands and sustainability goals. Existing off-site construction (OSC) maturity frameworks emphasize process and technology, while treating people as a supplementary resource. This research advances a workforce-focused maturity assessment framework to benchmark organizational ...
Abstract: Infrastructure asset management has been around for a few decades; however, there are still many misconceptions in the domain. Some of these problematic concepts are taught in classrooms and reprinted in textbooks. This paper investigates two key bodies of misconceptions: problematic concepts borrowed from other industries such as industrial engineering ...
Abstract: Automated rule compliance checking (ARCC) offers an alternative to resource-intensive and error-prone manual processes. Current semantic-based approaches like ontologies, NLP, Large Language Models (LLMs) and semantic markup capture regulatory meaning, yet face challenges in accuracy, scalability, and integration. This paper evaluates and compares existing semantic-based rule interpretation methods, synthesizing lessons ...
Abstract: The Best Practices in Building Systems (BPiBS) initiative seeks to drive much-needed change in the housing sector and building industry by addressing pressing technical, economic, environmental, social and health challenges. Through collaborative research and stakeholder engagement, BPiBS is developing an iterative roadmap to enhance building systems for new and existing ...
Abstract: State highway agencies face critical challenges in maintaining accurate expenditure curves for highway projects due to the complex interaction of various factors at both the project and program levels, including political, economic, and project-specific conditions. Inaccurate expenditure curves often lead to cost overruns and project delays, resulting in budget constraints ...
Abstract: Prompt engineering emerges as an innovative computational methodology for advancing AI-driven sustainable technologies. This study introduces a novel taxonomical prompt engineering framework utilizing advanced natural language processing to systematically analyze large language models (LLMs) for intelligent safety data extraction. Using a comprehensive corpus of 300 OSHA accident narratives focused on ...
Abstract: Cycling is increasingly recognized for its wide range economic, environmental, and health benefits as a mobility option. However, disparities in the provision and the quality of bicycle infrastructure persists. Ensuring fair access and usage of these benefits for all presents a significant challenge. As a result, establishing effective methodologies to ...
Abstract: On construction sites, heavy machinery such as mobile cranes, large cutting machines, and forklifts are often shared among multiple workstations due to their high costs. The efficient allocation of these shared machines significantly impacts financial investment, machine utilization, and overall construction productivity. If machine capacity is insufficient to meet the ...
Abstract: Proper decision-making at the end-of-life (EoL) of a built facility is critical for addressing the circularity gap in the construction industry. The reusability of components and materials in new projects is highly dependent on their careful extraction from existing building stocks reaching their EoL. To prepare for such recovery, buildings ...
Abstract: Mass timber construction has gained significant traction in recent years, yet a comprehensive data-driven assessment of its design trends remains limited. This study analyzes 679 mass timber projects from the Woodworks Innovation Network (WIN) to examine the relationship between material selection, building use, and geospatial attributes. Through web scraping, key ...
Abstract: Climate change is a critical and urgent challenge that all countries are encountering. Civil engineering researchers have a responsibility to address this challenge. One of the approaches is to encourage, through advanced technologies, the reuse of salvaged building materials for lower carbon emissions. To aid this approach, one objective is ...
Abstract: Industrialized homebuilding is emerging as a key strategy to address the housing crisis by leveraging manufacturing-inspired methods, automation, and material innovation to improve construction speed, quality, and sustainability. Generative design is an essential computational tool in this domain, enabling the automated design of prefabricated housing through the integration of artificial ...
Abstract: Extended Reality (XR) based training applications designed for the construction environment is rapidly gaining popularity, but creating high-quality content remains a significant challenge. Traditional content generation methods, such as manual 3D modeling, paper-based checklist creation, the creation of static training simulations, reliance on pre-recorded video and 2D diagrams for instruction, ...
Abstract: Lifeline networks are crucial components of civil infrastructure systems, they offer essential services and systems that support daily life, ensure public safety, and contribute to the overall functioning of society. Bridges are a vital part of the transportation system, they ensure connectivity, maintain access, support economic activities, and enable emergency ...
Abstract: Construction projects, particularly large-scale ones, significantly depend on the effective management and utilization of heavy equipment. Nevertheless, the classification of heavy equipment has traditionally been a manual process which is labor-intensive, time-consuming and may pose some safety risks. To overcome these challenges, an efficient yet precise methodology needs to be ...
Abstract: The construction industry's extensive resource consumption and waste generation highlight the urgency of adopting circular economy practices, particularly through deconstruction and material reuse. Despite efforts to promote circularity, second-use wood remains underutilized due to economic and logistical barriers. This study explores opportunities for integrating second-use wood into North America's lumber ...
Abstract: As a principal contributor to global carbon emissions, the construction industry's role in mitigating the adverse effects of climate change is indispensable. Modular construction has emerged as a promising solution to mitigate carbon emissions within this industry. Despite numerous technical strategies proposed for carbon reduction, a gap exists in systematically ...
Abstract: The shift towards circularity in the construction industry (CI) is imperative, yet the lack of economic viability discourages stakeholders from adopting circular practices. Establishing a market for second-hand products and/or materials can turn this around. A mature market requires streamlined communication between stakeholders, access to information about product composition, identification ...
Abstract: Modern construction projects are increasingly complex to a point where scheduling analyses can no longer be performed manually using pencil and paper as they once were. As a result, not only do we need to rely on computer technology to model the large number of parameters (degrees of freedom) but ...
Abstract: The construction industry's labor shortages and the growing complexity of off-site manufacturing have intensified the need for integrated robotic solutions. This study evaluates a BIM-driven robotic manufacturing (BIM-RM) framework designed for the automated assembly of light gauge steel (LGS) wall frames using a Virtual Design and Construction (VDC) approach. By ...
Abstract: As sustainability becomes a global priority, the construction sector faces a significant challenge: reducing its carbon footprint while meeting the growing demand for housing. Prefabrication, a method involving the manufacturing of building elements off-site to be assembled on-site, emerges as a promising solution to achieve this goal. This approach has ...
Abstract: The built asset industry faces critical challenges in managing information across complex project deliveries, operations, and maintenance lifecycles. While Common Data Environments (CDEs) have provided centralized approaches for project-centric information management in construction and asset maintenance, they fall short in supporting true lifecycle integration and cross-organizational collaboration essential for modern ...
Abstract: The complexity and scale of modern construction projects increasingly demand efficient constructability analysis to optimize design, safety, and overall project performance. Traditional constructability analysis, often reliant on manual review and expertise, faces limitations in consistency and scalability, particularly as project data becomes more extensive and diverse. This paper proposes a ...
Abstract: The affordable housing crisis presents a major challenge that requires immediate action. Often affected by inflation and stagnant productivity, this situation highlights the importance of innovation in construction to increase production capacity particularly in light-frame wood prefabrication. Offsite manufacturing in timber construction in Québec offers potential solutions to improve industry ...
Abstract: Traditional 2D screens and static 3D modeling tools can limit students' understanding of spatial relationships and design intent in architecture, engineering, and construction (AEC) education. This limitation poses challenges in Building Information Modeling (BIM) courses that rely on platforms like Autodesk Revit. To address this, the present study evaluates the ...
Abstract: Construction roofers face hazardous environments due to their activities at sloped and uneven surfaces, carrying heavy loads, and awkward postures. These postures increase musculoskeletal risks, particularly for novice roofers who struggle to balance their weight distribution on slopes. However, research on plantar pressure distribution among novice roofers remains limited. The ...
Abstract: The disruption of power supply due to extreme weather events has been significantly intensified in recent years by the effect of climate change. These disruptions are mainly caused by the overhead power distribution lines (OPDLs) being exposed to extreme weather events, such as wind storms, freezing rains, and wild forest ...
Abstract: Despite the numerous benefits of wearable sensing devices (WSDs) as reported in existing studies, their adoption and implementation in the construction industry have been slower than that of other industries such as healthcare, logistics, sports and fitness, etc. This slow uptake has been attributed to construction workers' and industry professionals' ...
Abstract: Digital Delivery has become a widely used term in the construction industry encompassing a wide movement towards digital technology implementation. This includes the adoption of e-construction technologies such as digital signatures and document management systems as well as Advanced Digital Construction Management Systems (ADCMS), both of which aim to integrate ...
Abstract: Utility investigation is an essential activity in highway projects to designate and map existing utilities in a project and prevent any project delays caused by utility-related issues such as utility strikes. Various approaches exist for utility investigation, including the one-call system, private locators, and Subsurface Utility Engineering (SUE) or a ...
Abstract: The integration of Design for Manufacture and Assembly (DfMA) principles into On-site Construction (OnSC) introduces a multifaceted decision-making process, shaped by challenges across economic, technological, legal, cultural, and policy dimensions. This study identifies and categorizes key decision support factors (KDSFs) essential for successful DfMA implementation, addressing challenges such as cost ...
Abstract: Accurate cost estimates for legislative roadway projects - such as reconstruction and widening projects - are essential for ensuring optimal use of available budget, proper planning of fiscal year projects, and successful execution of planned projects that support legislative priorities. Various factors such as project length, work type, and project ...
Abstract: This paper investigates the integration of Augmented Reality (AR) technology into the manufacturing phases of off-site construction projects, with a specific focus on the Canadian construction industry. Through a comprehensive systematic literature review and semi-structured interviews, the study identifies the benefits and barriers associated with adopting AR to enhance visualization, ...
Abstract: Project bundling is widely believed to reduce construction costs through economies of scale and administrative efficiencies. However, these cost savings are generally perceived based on qualitative analysis and engineers' experience rather than robust statistical analysis. This study analyzes over a decade of project data from the Tennessee Department of Transportation ...
Abstract: The construction industry has long adhered to a linear economic model, following the "take, make, dispose" paradigm. However, growing environmental concerns are driving a shift towards a circular economy, where the focus is on extending the lifespan of materials and components through disassembly or deconstruction. Central to this transition is ...
Abstract: The rapid advancement and accessibility of artificial intelligence (AI) have led to increased interest in its applications across various professional domains, including architecture. AI presents significant opportunities for architectural firms, enhancing efficiency, automating tasks, and improving decision-making processes. However, its adoption requires a structured and strategic approach to maximize benefits ...
Abstract: In Canada, it has been found that the construction sector contributes significantly to greenhouse gas emissions. To mitigate this impact, timber-based constructions have become increasingly favored due to their lightweight characteristics, expedited assembly, and environmental advantages. This research seeks to objectively validate the environmental impacts of hybrid structures through a ...
Abstract: Hazard recognition is a critical cognitive skill that directly impacts construction site safety, yet conventional safety training methods often fail to account for individual differences in risk perception. This study explores the application of eye-tracking-based biosignal analysis for real-time risk perception assessment in adaptive virtual reality (VR) training. By capturing ...
Abstract: The Request for Information (RFI) process is a fundamental component of construction project management, enabling the resolution of ambiguities, clarification of contract obligations, and coordination among stakeholders. Despite its critical role, the RFI process remains fragmented, inefficient, and prone to delays due to decentralized documentation, inconsistent workflows, and a lack ...
Abstract: Circular Economy (CE) is expected to create net positive cash flows for construction stakeholders, while reducing embodied and operational carbon, through refurbishment, reuse, and recycling of building assemblies and materials. Besides owners, builders, and contractors, the suppliers of reclaimed materials, who in turn depend on the salvage from deconstructed facilities, ...
Abstract: The financial success of construction companies is crucial for the growth of the industry, which is one of the main contributors to the social and economic development of any country. Contractors are usually impacted financially by external factors such as the fluctuating material prices and volatile macroeconomic conditions, making it ...
Abstract: Precise cost estimation is fundamental to effective construction project management. Site overhead costs, which constitute a significant portion of project expenses, is a critical area that needs to be efficiently managed and controlled in order to consequently increase the likelihood of success in bids and improve the financial stability of ...
Abstract: Ensuring the resilience of water distribution networks is essential for sustainable urban development, particularly in the face of climate change and aging infrastructure. However, many parts of these systems in North America have exceeded their expected service life, leading to an increasing frequency of failures. This study presents a comprehensive ...
Abstract: Bidding competition significantly influences bidding outcomes and bid prices in the project-letting phase for State Highway Agencies (SHAs). Prior research often quantifies competition by counting bidders, overlooking variations in competitive intensity among them. A small group of highly competitive bidders can exert greater pricing pressure than a larger pool of ...
Abstract: Industrialized construction (IC) seeks to leverage advanced manufacturing technologies in order to boost construction time and cost savings. However, these savings vary significantly according to the labor market, job conditions, and technology production factors. The uncertainty surrounding the integration of state-of-the-art technologies, specifically industrial robotics, impedes their widespread adoption in ...
Abstract: Falls are the leading cause of unintentional injury, threatening public health and safety. Assessing how individuals perceive and respond to fall hazard exposure is essential to mitigate their fall risks. Wearable inertial measurement unit (IMU) sensors have been used to monitor abnormal body movements, such as loss of balance, caused ...
Abstract: This study investigates how foot zones, slope inclination, and standing posture influence Center of Pressure (CoP) displacement during simulated roofing tasks among novice roofers. Four participants performed static postures (facing upward, downward, left, right) and simulated falls on flat and sloped (30°) surfaces while wearing pressure-sensing insoles and Inertial Measurement ...
Abstract: The Digital Twin (DT) concept is increasingly regarded as a revolutionary technological tool for enhancing productivity across various industries. While there is a significant trend exploring its applications in sectors such as manufacturing, automotive and others. In the Architecture, Engineering, and Construction (AEC) industry, its development remains in its early ...
Abstract: The interaction between urban infrastructure design and older adults' mobility remains a critical challenge. Frequent encounters with stressors in built environments, such as steep stairs, uneven sidewalks, or complex traffic signage, reduce older adults' mobility self-efficacy (MSE), ultimately impairing their ability to navigate urban spaces independently. While substantial research has ...
Abstract: Accurate cost estimates are essential for proper planning, budgeting, and execution of infrastructure construction projects. However, the issue of the cost growth is prevalent in the construction industry. Past studies have focused on developing parametric cost estimating models, allocation of fixed contingencies, and use of risk registers to improve the ...
Abstract: Sustainable building adoption is increasingly prioritized to mitigate climate change, reduce energy consumption, and enhance environmental performance. However, decision-making in sustainable design remains complex, influenced by economic, environmental, and social factors. This case study investigates the key drivers and barriers shaping sustainability decisions through stakeholder interviews and qualitative analysis using ...
Abstract: Pipelines face significant challenges due to unique environmental, operational, and regulatory variations across different geographic regions, which critically influence their longevity. While previous studies have examined factors influencing pipeline failure, they have predominantly offered generalized survival models, giving limited attention to the role of regional variations in pipeline survival rates. ...
Abstract: Climate change is occurring at unprecedented rates, with significant implications for infrastructure resilience. This study investigates the potential impacts of climate change-induced higher flood risk, due to future precipitation changes, on bridge scour risk in New York State. Bridge scour is the primary cause of bridge failure in the United ...
Abstract: This paper explores the integration of Neural Radiance Fields (NeRF) and Generative Pre-trained Transformers (GPT) to enhance robotic control systems. Traditional SLAM-based methods, while effective, often fail to build high-quality, cognitive maps of the physical world for complex control tasks, particularly in dynamic environments. To address these limitations, our research ...
Abstract: Agent-based simulation (ABS) focuses on the interactions among agents and the environment, offering detailed insights to construction management. With the as-is model of the construction site, ABSs can be performed to explore what-if scenarios. However, previous implementations of construction ABS have been hindered by the large amount of effort required ...
Abstract: Requests for Information (RFIs) are vital tools for stakeholder communication in construction project management, which aims to seek clarification, resolve ambiguities, and enhance project execution. Identifying the root causes of anomalies from RFIs is crucial for reducing costs and minimizing time delays. However, traditional Root Cause Analysis (RCA) methods often ...