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Articles 691 - 720 of 25417
Full-Text Articles in Entire DC Network
Advancing Sustainability Through Smart Building Concepts In Developing Countries: Insights From Ghana, Frank Ato Ghansah Dr, Amos Darko Dr, Maxwell Fordjour Antwi-Afari Dr, Benjamin Kwaku Ababio, Young Bert, Rafiu Seidu, Nazif Amina, De-Graft Owusu-Manu
Advancing Sustainability Through Smart Building Concepts In Developing Countries: Insights From Ghana, Frank Ato Ghansah Dr, Amos Darko Dr, Maxwell Fordjour Antwi-Afari Dr, Benjamin Kwaku Ababio, Young Bert, Rafiu Seidu, Nazif Amina, De-Graft Owusu-Manu
CIB Conferences
The last decade has seen a paradigm shift in building sector research from sustainable building to smart building, and it is anticipated that these two concepts will merge, meeting the increasing demands of the United Nations sustainable development goals 3, 9, 11, 13, and 17. However, it is discernible from prior studies that developing countries lack the proper means to adopt the smart building concept to achieve sustainability in the building sector, and this has received inadequate attention in existing studies. Thus, this study identifies the critical factors to adopt the smart building concept for sustainability throughout the building lifecycle …
Experimental Study Of Adhesive And Metal-Free Laminated Timber Products Made Of Uruguayan Pine, Gastón Bruzzone, Daniel Godoy, Stephany Arrejuria, Sebastián Quagliotti, Silvia Böthig, Laura Moya
Experimental Study Of Adhesive And Metal-Free Laminated Timber Products Made Of Uruguayan Pine, Gastón Bruzzone, Daniel Godoy, Stephany Arrejuria, Sebastián Quagliotti, Silvia Böthig, Laura Moya
CIB Conferences
This study presents the experimental results of adhesive and metal-free laminated timber products made of Uruguayan pine. Dowel laminated timber (DLT) and wooden nail laminated timber (WNLT) were prepared using C22 pine lamellas and joined by wooden dowels or nails with diameters of 20 mm and 5.3 mm, respectively. For comparison, laminated timber products joined with 3.2 mm steel nails (NLT) were manufactured. Two nailing patterns, straight horizontal and zigzag, and three spacing between fasteners, 300, 250 and 150 mm were analysed. Shear tests on timber connections and four-point bending tests on structural size panels were performed, and the slip …
Developing A Smart Retrofitting Decision-Making Model For Office Buildings: A Case Study, Sanduni Peiris, Joseph Lai, Mohan Kumaraswamy
Developing A Smart Retrofitting Decision-Making Model For Office Buildings: A Case Study, Sanduni Peiris, Joseph Lai, Mohan Kumaraswamy
CIB Conferences
In an era where the imperative for global sustainable development has never been more pronounced, this paper unveils the process in developing a novel, Smart Retrofitting (SR) decision-making model for buildings. With various intelligent automation routes/options offered by smart retrofits, streamlining the decision-making process in choosing the optimal retrofit options not only enhances efficiency but also empowers building stakeholders to play a pivotal role in advancing sustainable practices, fostering resource efficiency, and contributing to the global commitment to sustainable development goals. Employing a mixed-method approach, the early stages of this research, which involved an extensive literature review, a focus group …
Challenges And Benefits Of Using Bim Technologies To Improve Construction Safety: An Exploratory Case Study, Abdulaziz Alotaibi, John A. Gambatese
Challenges And Benefits Of Using Bim Technologies To Improve Construction Safety: An Exploratory Case Study, Abdulaziz Alotaibi, John A. Gambatese
CIB Conferences
Building Information Modeling (BIM) continues to experience rapid growth in the construction industry. BIM changes how design and construction can be approached by using algorithms that automatically assess various elements of project designs and construction, including potential safety risk. Compared with other approaches which evaluate safety risk during the design and execution phases, BIM models can help reduce the number of workers and resources used to ensure proper safety management. This paper presents a research study to investigate BIM technologies (e.g., Robotic Total Station and Navisworks) commonly implemented and any challenges and needed improvements to benefit construction safety. The research …
Facilities Management Integration Into Construction Management Curriculum: Core Competencies, Deniz Besiktepe, Barry Mcauley, Anthony E. Sparkling, James Jenkins, Mark Mulville
Facilities Management Integration Into Construction Management Curriculum: Core Competencies, Deniz Besiktepe, Barry Mcauley, Anthony E. Sparkling, James Jenkins, Mark Mulville
CIB Conferences
The construction industry has long been known for issues in stakeholder collaboration due to the fragmentation in its realm. Facilities Management (FM) received increasing attention with the shifted trends of the construction industry from a siloed discipline to a holistic approach where educational efforts need to align with this transformation. FM and building operations related topics need to be infused into the construction management (CM) curriculum to improve the analytical reasoning and critical thinking of the future workforce. With that, this study aims to identify the core competencies in CM and FM areas as a first step to determining the …
Evaluation Of Temporary Structures Contractual Frameworks: An Industry-Wide Survey Study, Ali E. Esmail, John A. Gambatese, Abdulaziz Alotaibi
Evaluation Of Temporary Structures Contractual Frameworks: An Industry-Wide Survey Study, Ali E. Esmail, John A. Gambatese, Abdulaziz Alotaibi
CIB Conferences
Temporary structures are integral to construction. Yet, the complexities and risks associated with these structures often need to be more adequately addressed in standard construction manager/general contractor (CM/GC) contracts. This gap in practice underscores the need for an in-depth exploration of contractual challenges and potential improvements related to temporary structures. This study investigated the barriers to including comprehensive risk provisions in standard CM/GC contracts for temporary structures and assessed industry professionals' perspectives on their effectiveness and potential improvements. Employing a survey questionnaire distributed across all 50 states in the United States, the research garnered 465 valid responses from various industry …
A Reliability-Based Conceptual Framework For Carbon Trading Management In The Construction Sector, Linna Geng, Robert Moehler, Patrick X.W. Zou, Yingbin Feng
A Reliability-Based Conceptual Framework For Carbon Trading Management In The Construction Sector, Linna Geng, Robert Moehler, Patrick X.W. Zou, Yingbin Feng
CIB Conferences
The construction sector is increasingly impacted by carbon trading policies across its supply chains in various countries. These policies require construction entities to purchase carbon permits if their emissions exceed allocated limits, while those with lower emissions can sell excess permits. A key challenge is the effective allocation of carbon responsibility, which directly affects the cost-effectiveness and the success of carbon trading in reducing the sector emissions. However, quantifying uncertainty in carbon emissions remains a significant challenge. This paper introduces a reliability-based framework that captures uncertainties and interactions between carbon emissions and allocations under a shared responsibility model between construction …
Assessment Of Awareness And Integration Of Industry 4.0 Technologies To Enhance Construction H&S Site Operation In South Africa, Iruka C. Anugwo, Utsile Nzungeni
Assessment Of Awareness And Integration Of Industry 4.0 Technologies To Enhance Construction H&S Site Operation In South Africa, Iruka C. Anugwo, Utsile Nzungeni
CIB Conferences
The study focused on establishing an alternative to the traditional methods of mitigating construction accidents by exploring the usage of technology to monitor the movement of workers and construction equipment with the hopes of avoiding an accident before it occurs. Construction accidents is a topic that has been thoroughly investigated in the construction industry for several decades as the industry has been plagued with fatalities and injuries throughout its history however, the high number of accidents is persisting. The Eastern Cape region is no exception with high numbers of accidents that have a high cost of accidents. This research was …
Smart Device Energy Adaptation: Critical Drivers Towards Energy Sustainability In Purpose-Built Student Housing Market In Ghana, Iruka C. Anugwo, Miller W. Appau, Elvis Attakora-Amaniampong, Jachike C. Anugwo
Smart Device Energy Adaptation: Critical Drivers Towards Energy Sustainability In Purpose-Built Student Housing Market In Ghana, Iruka C. Anugwo, Miller W. Appau, Elvis Attakora-Amaniampong, Jachike C. Anugwo
CIB Conferences
The high demand and energy consumption in student housing raise significant financial, social, environmental, and organizational concerns in achieving sustainability. This study assesses the critical drivers of smart energy adaptation among Purpose-Built student housing in Ghana. The study used a quantitative research method, whilst 225 questionnaire surveys were distributed among the student housing investors (through Public-Private Partnership) within eight public tertiary and technical universities in Ghana. The study findings uncovered eight energy devices used in student housing in Ghana, which were classified into entertainment, cooking, learning, ventilation, heating, laundry, consumer electronics, and personal grooming appliances. Thus, a 59%, 25%, and …
Resilient Technology Adoption By Facility Managers For Enhanced Building Resilience In The Usa, Sandeep Langar, Sarel Lavy
Resilient Technology Adoption By Facility Managers For Enhanced Building Resilience In The Usa, Sandeep Langar, Sarel Lavy
CIB Conferences
Climate changes significantly impose stresses on the physical and the built environment. Facility Managers (FMs) within the buildings are vital in maintaining the optimal performance of facilities, particularly in the face of increasing frequency and intensity of natural disasters. Therefore, this study presents preliminary findings about the in-house facility managers' adoption and implementation patterns for technologies enhancing the resilience of a facility within the USA. The research also identifies the barriers to adopting resilient technologies, per the facility managers. The research utilized an online survey with the facility managers within the USA as the general population. When the publication was …
The Impact Of Physically Demanding Human-Drone Communication On Worker Mental Stress, Woei-Chyi Chang, Shiva Pooladvand, Sogand Hasanzadeh
The Impact Of Physically Demanding Human-Drone Communication On Worker Mental Stress, Woei-Chyi Chang, Shiva Pooladvand, Sogand Hasanzadeh
CIB Conferences
While drones have exhibited considerable potential to revolutionize the construction industry, previous studies across domains have proposed that human-drone interaction could cause adverse impacts on humans (e.g., collision and discomfort). Given that construction has been recognized as a hazardous and high-stress workplace, it deserves deep exploration regarding how newly introduced drones will influence worker well-being during the interaction. However, there is a paucity of research on worker stress when communicating with drones in construction. Successful human-drone interaction must necessitate seamless and comfortable communication between workers and drones. Therefore, this study investigates the impact of physically demanding response levels on construction …
Analyzing Employment Disparities In Construction Science & Management (Csm) Graduates For Specialty Trade Contractors (Stc), Vivek Sharma, Dhaval R. Gajjar, Stuti Garg, Adam Hoots, Gopika Viswanathan
Analyzing Employment Disparities In Construction Science & Management (Csm) Graduates For Specialty Trade Contractors (Stc), Vivek Sharma, Dhaval R. Gajjar, Stuti Garg, Adam Hoots, Gopika Viswanathan
CIB Conferences
The United States construction industry has grappled with labor shortages for years. Numerous studies have focused on attracting younger generations to the general contracting sector; however, more research needs to be conducted on why young graduates from construction science management (CSM) programs tend to favor general contracting over subcontracting careers. This research aims to bridge this gap by exploring the reasons behind the disinterest in subcontracting careers among recent graduates. The literature review identified several studies that examine the motivational factors and incentives driving individuals to work for Specialty Trade Contractors (STCs) in the construction industry. These studies also discuss …
A System Dynamics Model For Urban Sprawl And Its Impact On Sustainability, Bahaa Chammout, Ramy Khalef, Islam H. El-Adaway
A System Dynamics Model For Urban Sprawl And Its Impact On Sustainability, Bahaa Chammout, Ramy Khalef, Islam H. El-Adaway
CIB Conferences
The exponential population growth and global urbanization have resulted in a surge in the demand for housing, thereby intensifying the demand for construction material resources. Nonetheless, the construction industry continues to be a significant contributor to global pollution, with its annual carbon dioxide emissions exceeding 35% of global emissions. Furthermore, the industry generates substantial construction and demolition (C&D) waste, comprising 20-29% of all US solid waste. To address these environmental concerns, a fundamental understanding of the management of construction resources and C&D wastes is needed. To this end, the goal of this paper is to propose a system dynamics model …
Life Cycle Assessment And Cost Evaluation Of Sustainable Production Technologies: A Parametric Approach For Complex Geometries In Architectural Design, Valentina Casarini, Simona Bovi, Alberto Speroni, Andrea Giovanni Mainini, Francesco Pittau, Matteo Cavaglia, Juan Diego Blanco Cadena, Tiziana Poli
Life Cycle Assessment And Cost Evaluation Of Sustainable Production Technologies: A Parametric Approach For Complex Geometries In Architectural Design, Valentina Casarini, Simona Bovi, Alberto Speroni, Andrea Giovanni Mainini, Francesco Pittau, Matteo Cavaglia, Juan Diego Blanco Cadena, Tiziana Poli
CIB Conferences
Building design has to deal with complex geometries and surfaces arising from current trends and “New European Bauhaus” initiative that imagines a sustainable and inclusive future that is beautiful for eyes, minds, and souls. This also relates to the rise of new design paradigms, such as 'user-centred design', which includes customized optimization approaches. The increasing adoption of customized components and unique solutions raises valid concerns about the optimal use of energy and resources. The study carried out stems precisely from these needs and focuses on the life cycle assessment of the technologies currently available on the market to realize the …
Integrating User Adaptation And Retrofit Strategies For Overheating Mitigation In Energy-Poor Buildings Under Climate Change Scenarios, Greta Grandi, Andrea Giovanni Mainini
Integrating User Adaptation And Retrofit Strategies For Overheating Mitigation In Energy-Poor Buildings Under Climate Change Scenarios, Greta Grandi, Andrea Giovanni Mainini
CIB Conferences
This study conducts a comprehensive, long-term analysis of passive strategies aimed at mitigating overheating in residential structures occupied by elderly individuals and children up to fifteen years old. In fact, in the European Union, around 50 million households experience energy poverty, exposing vulnerable groups—such as pregnant women, the infirm, people with disabilities, children, and the elderly—to increased risks from overheating. This study conducts a comprehensive, long-term analysis of passive strategies aimed at mitigating overheating in residential structures occupied by elderly individuals and children up to fifteen years old. Focusing on a typical building constructed in Milan during the 1960s, dynamic …
Conppmf: Construction Datasets For Privacy-Preserving Mental Fatigue, Jianhuan Zeng, Xiao Li, Zenan Zhang
Conppmf: Construction Datasets For Privacy-Preserving Mental Fatigue, Jianhuan Zeng, Xiao Li, Zenan Zhang
CIB Conferences
Construction workers’ unsafe behavior is the leading cause of on-site accidents, greatly influenced by mental fatigue. Existing available datasets for mental fatigue are scarce in construction. Moreover, collecting and using private data, such as facial images, bio-signals, and speech, raises significant privacy concerns, leading to difficulty in data collection during model implementation. To tackle these challenges, this research aims to introduce a replicable multi-modal dataset named ConPPMF to monitor mental fatigue on construction sites, focusing on worker comfort and privacy. The dataset comprises physiological data from smartwatches and time-synchronized visual data from cameras. Fatigue status is labeled through self-reported assessments …
Revitalisation Of Urban Heritage Sites Through Community-Based Facilities Management: The Case Of Botswana, Petunia G. Gaoalafe, Kathy A. Michell
Revitalisation Of Urban Heritage Sites Through Community-Based Facilities Management: The Case Of Botswana, Petunia G. Gaoalafe, Kathy A. Michell
CIB Conferences
This paper explores the role of community-based facilities management (CbFM) in the revitalisation and utilisation of heritage sites, focusing primarily on government-owned urban heritage sites in Botswana, particularly those that are facing dilapidation and/or obsolescence. In addition, it discusses CbFM through the confluence of its main pillars with that of placemaking. Existing research points to the insufficiency in the literature concerning an in-depth investigation into heritage CbFM that integrates placemaking principles in cities of the global South. The paper argues for and presents a theoretical framework that outlines the confluence of CbFM and placemaking for the holistic management and revitalisation …
Strategies For Mitigating The Challenges Of Post-Disaster Reconstruction Projects: A Systematic Literature Review, Alexander E. Omoraka, Temitope Egbelakin, Sittimont Kanjanabootra
Strategies For Mitigating The Challenges Of Post-Disaster Reconstruction Projects: A Systematic Literature Review, Alexander E. Omoraka, Temitope Egbelakin, Sittimont Kanjanabootra
CIB Conferences
The impacts of disasters range from social to physical, which comprise psychological impacts, economic impacts, casualties, damage to buildings and infrastructure, etc. While developing countries like Nigeria and Nepal are prone to suffering more human casualties, the effects of disasters in developed countries like Australia and Japan are felt more in buildings and infrastructure. Disasters leave the affected areas deprived of the capacity to function normally without support. Construction projects constitute the greatest loss component in the event of major disasters and thus render people homeless, insecure, and susceptible to unpleasant conditions. This makes post-disaster reconstruction a must in places …
Sidewalk Pavement Defect Detection With Instance Segmentation: A Step Towards Improving Sidewalk Quality, Abdul-Mugis Yussif, Tarek Zayed, Ridwan Taiwo, Ali Fares
Sidewalk Pavement Defect Detection With Instance Segmentation: A Step Towards Improving Sidewalk Quality, Abdul-Mugis Yussif, Tarek Zayed, Ridwan Taiwo, Ali Fares
CIB Conferences
Making cities walkable and supportive of non-motorized transportation enhances sustainability and inclusivity. Sidewalks, the primary infrastructure in direct contact with pedestrians to support their daily travel needs, deteriorate and develop faults with time and continuous use. However, manual and commonly available non-destructive inspections often are slow, labor-intensive, and cost-inhibitive. This study proposes a quick and cheap method using instance segmentation techniques to detect sidewalk pavement surface defects automatically. The proposed methods are two instance innovative approaches to train the Mask R-CNN (MRCNN) instance segmentation model to identify and provide the respective boundaries of each defect. The first and most reliable …
Mapping Construction 4.0 And Sustainability For Innovation In The Construction Industry Of Developing Countries, Natalia E. Lozano-Ramírez, Nelly P. Garcia-Lopez
Mapping Construction 4.0 And Sustainability For Innovation In The Construction Industry Of Developing Countries, Natalia E. Lozano-Ramírez, Nelly P. Garcia-Lopez
CIB Conferences
A country's inclusive and sustainable growth depends largely on efficient infrastructure, making it a crucial aspect of governmental, urban, and social decisions, particularly in developing countries. However, these regions face significant barriers to progress, such as low digitalization rates, limited adoption of technology, and socio-economic obstacles that hinder sustainable development. Addressing these challenges is vital to fulfilling the United Nations’ Sustainable Development Goals (SDGs) and requires strategic partnerships, innovative practices, and integration within the construction sector. Furthermore, Industry 4.0 represents a promising pathway toward sustainable, technologically advanced construction; however, its adoption in developing countries remains in the early stages and …
Offsite Evolution: Do We Really Understand The Potential Impact Of Technology On Industry 5.0?, Volkan Ezcan, Jack S. Goulding, Jeff H. Rankin, Brandon Searle, Mohammed Arif
Offsite Evolution: Do We Really Understand The Potential Impact Of Technology On Industry 5.0?, Volkan Ezcan, Jack S. Goulding, Jeff H. Rankin, Brandon Searle, Mohammed Arif
CIB Conferences
Offsite Manufacturing (OSM) has repeatedly been extoled as a panacea solution for addressing ‘traditional’ construction challenges – ergo: time, quality and cost. However, it is posited here that there are grounds to challenge this preconception, particularly from a technology perspective, given industry’s need to align to Industry 5.0. Arguably (and somewhat contentiously), the industry is still in the process of trying to understand the concepts underpinning Industry 4.0. Thus, in order to understand this perceived disparity, this research used the antecedents from CIB’s Offsite Production and Manufacturing research roadmap (TG74 – publication 372) produced in 2013 as a starting point …
Integrating Future Energy Scenarios In Building Life Cycle Assessments: Applying Dynamic Lca To Two University Buildings, Sejal Sanjay Shanbhag, Manish Kumar Dixit
Integrating Future Energy Scenarios In Building Life Cycle Assessments: Applying Dynamic Lca To Two University Buildings, Sejal Sanjay Shanbhag, Manish Kumar Dixit
CIB Conferences
The urgency to address climate change necessitates an understanding of embodied energy in the built environment, particularly the importance of accounting for future energy scenarios to ensure sustainable construction practices align with the evolving energy landscape. As buildings increasingly reduce their operational energy consumption, the study of embodied energy becomes crucial, highlighting the environmental impact of construction materials and processes over the building's lifecycle. Traditional Life Cycle Assessment methodologies, which predominantly rely on static current data, fail in accurately assessing the environmental impact of buildings over their extensive life spans of 75-100 years. Our research addresses these shortcomings by utilizing …
Systematic Conjunction Of Bim And Lean For The Enrichment Of Quality And Enhancement Of Sustainability In Construction Projects, Rashid Maqbool, Shaik Ahmed Irfan
Systematic Conjunction Of Bim And Lean For The Enrichment Of Quality And Enhancement Of Sustainability In Construction Projects, Rashid Maqbool, Shaik Ahmed Irfan
CIB Conferences
Globally, several different kinds of construction techniques are in use. To guarantee the building plan is completed on schedule and with the least amount of environmental impact possible, each permitted business is putting innovative, cutting-edge techniques into practise. The joint use of BIM and lean concepts is among the most cutting-edge methods for monitoring and managing construction projects. The present study will show the benefits of BIM in the construction sector, which might give different construction organisations sustainability. Purposive sampling and both qualitative and quantitative methodologies have been applied in this situation. Professionals from the UK and Indian construction industries …
Systematic Assessment And Dynamic Optimization Of End-Of-Life Carbon In Modular Integrated Construction, Xinping Wen, Yue Teng, Geoffrey Qiping Shen
Systematic Assessment And Dynamic Optimization Of End-Of-Life Carbon In Modular Integrated Construction, Xinping Wen, Yue Teng, Geoffrey Qiping Shen
CIB Conferences
Modular integrated construction (MiC) has emerged as an effective construction technique for mitigating carbon emissions from buildings. Despite the great efforts dedicated to quantifying the carbon generated by MiC buildings, the carbon values and savings potential during the end-of-life (EoL) phase have never been made explicit. This study aims to systematically evaluate and dynamically optimize the EoL carbon in relation to MiC buildings. An innovative carbon assessment model was developed by integrating system dynamics (SD) into the life cycle assessment (LCA) framework and then empirically validated through a case study of a steel residential MiC building in Hong Kong. The …
Generative Artificial Intelligence And Virtual Reality: Emerging Future Of The Building Component Inspection Training, Mohammad Movahedi, Carlos Bravo, Juyeong Choi
Generative Artificial Intelligence And Virtual Reality: Emerging Future Of The Building Component Inspection Training, Mohammad Movahedi, Carlos Bravo, Juyeong Choi
CIB Conferences
The assessment of building components, which is typically performed through visual inspections, is critical to the maintenance planning and other decisions made during the operation and use stage of the building life cycle. This paper introduces a framework leveraging generative artificial intelligence (Gen AI) and virtual reality (VR) to improve facility inspectors' training, which eventually can help with the informed decisions that stakeholders should make. Buildings are complex facilities that demand precise and unbiased condition evaluations. Traditional training approaches rely heavily on limited texture images and descriptions collected in prior studies, which restrict the range of conditions inspectors can study …
Enhancing Sustainable, Safe, And Efficient Construction Practices: A Systematic Review Of Advanced Interface Techniques For Heavy Machinery Guidance, Ahmad Alshami, Moustafa Elsayed, Juyeong Choi
Enhancing Sustainable, Safe, And Efficient Construction Practices: A Systematic Review Of Advanced Interface Techniques For Heavy Machinery Guidance, Ahmad Alshami, Moustafa Elsayed, Juyeong Choi
CIB Conferences
Effective heavy machinery operation is crucial for enhancing operational efficiency and sustainability in construction, particularly by enabling precise resource utilization and reducing environmental impact. Digital advancements, including improved operator-system interfaces, play a critical role in achieving these outcomes by supporting informed decision-making while minimizing cognitive overload and operator distraction. However, selecting the most appropriate interface tool for heavy machinery remains a challenge due to the diverse operational requirements and varying impacts of available technologies. This study explores the effectiveness of interface tools in heavy machinery guidance systems through a systematic literature review. It identifies and categorizes tools such as conventional …
Influence Of Unmanned Aerial Vehicles And Unmanned Ground Vehicles On Workers Hazard Recognition Performance, Seoyoung Cheon, Abdullahi Ibrahim, Jia Xu, Xi Wang, Chukwuma Nnaji
Influence Of Unmanned Aerial Vehicles And Unmanned Ground Vehicles On Workers Hazard Recognition Performance, Seoyoung Cheon, Abdullahi Ibrahim, Jia Xu, Xi Wang, Chukwuma Nnaji
CIB Conferences
As the construction industry evolves into a smart construction paradigm, the integration of Unmanned Aerial Vehicles (UAVs) and Unmanned Ground Vehicles (UGVs) signifies a pivotal shift towards automation and intelligent environments. This study investigates the impact of robotic integration on workers' hazard recognition performance (HRP) using an innovative virtual reality (VR) platform. Participants engaged in a controlled VR-based work-at-height scenario, allowing for the assessment of their hazard identification abilities in environments with and without UAVs and UGVs. Quantitative analysis revealed a significant 32% reduction in HRP when UAVs and UGVs were present, emphasizing the potential cognitive challenges and distractions associated …
Impact Of Climate Change On Cities: Analyzing Building Energy Use In Future Climate Scenarios Through A Hybrid Computational Approach, Heng Quan, Semiha Ergan
Impact Of Climate Change On Cities: Analyzing Building Energy Use In Future Climate Scenarios Through A Hybrid Computational Approach, Heng Quan, Semiha Ergan
CIB Conferences
Under global warming, cities need accurate predictions of building energy use to ensure energy supply and guide urban planning and policy decisions. Traditional data-driven methods struggle to project future scenarios due to the lack of training data reflecting anticipated climate conditions. This study presents a novel approach by integrating the Degree Day Model (DDM) with a Knowledge-Based Neural Network (KBNN). The DDM quantifies heating and cooling demands based on temperature deviations, providing domain-specific insights that enhance the KBNN's ability to extrapolate. We trained our KBNN using monthly energy consumption data from over a thousand New York City buildings, along with …
Automaticity And Mindfulness In Construction, Oluwaseun Samuel Olabode, Ikechukwu Sylvester Onuchukwu, Sebastien Helie, Behzad Esmaeili
Automaticity And Mindfulness In Construction, Oluwaseun Samuel Olabode, Ikechukwu Sylvester Onuchukwu, Sebastien Helie, Behzad Esmaeili
CIB Conferences
Mindfulness is critical in enhancing workers’ safety and productivity by improving attention regulation. Attention is a key factor in task performance, influencing the balance between safety and efficiency in repetitive work environments. One factor that significantly impacts attention is skill automaticity, which is associated with reduced attentional requirements following repetition or practice. Despite the known relationship between mindfulness and attention, the interaction between mindfulness dimensions and automaticity remains unknown. This study addresses this gap by investigating how mindfulness influences attention during the transition from novice to expert in a repetitive construction task, providing insights into the interplay between mindfulness, attention, …
Advancing Ergonomic Solutions: Lessons From Lower-Body Exoskeleton Trials In Construction, Prosper Gbiengu, Muhammad Khan, Cole Woods, Nnaji Chukwuma, Vishesh Vikas
Advancing Ergonomic Solutions: Lessons From Lower-Body Exoskeleton Trials In Construction, Prosper Gbiengu, Muhammad Khan, Cole Woods, Nnaji Chukwuma, Vishesh Vikas
CIB Conferences
Work-related musculoskeletal disorders (WMSDs) present significant challenges in the construction industry, where workers are at high risk of lower back and other injuries. Exoskeletons (EXOs) offer a promising ergonomic solution, but their adoption in construction remains underexplored, particularly regarding user perceptions, usability, and real-time feedback. This study evaluated the experiences of 16 construction workers who used a prototype passive lower-body EXO during a three-hour trial on active worksites. Feedback was analyzed thematically, revealing critical factors influencing EXO usability, including comfort, fit, tool compatibility, performance, and durability. Participants reported benefits such as reduced lower-back strain and improved posture, but discomfort from …