Digital Commons Network^™

To What Extent Do Prevailing U.S. Transportation Infrastructure Sustainability Rating Systems Align With Unesco Sgds: An Empirical Study, Yunping Liang, Jung Hyun Lee

CIB Conferences

United Nations Educational, Scientific and Cultural Organization Sustainable Development Goals (UNESCO SDGs) were adopted by UN General Assembly in 2015 as part of the 2030 Agenda for Sustainable Development. As a member state of UN, United States also adopted SDGs. However, the United States were not a member of UNESCO during 2017 to 2023. The United States has never submitted any voluntary national review so far, as what has been done by 115 countries across the world. Nevertheless, rather than claiming that the United States does not commit to the SDGs, there is more supporting evidence for the argument that …

The Exploring Of The Importance Of Indoor Environmental Factors In University Educational Spaces Based On Participants' Psychology, Hanyu Zhou, Zhaozhe Yang, Wenchang Wang, Chang’An Liu, Yifan Ding

CIB Conferences

The comfort feeling of human body to indoor environment is a comprehensive reflection of multi-factor interaction. The research on human comfort is developing from single factor to multi-factor interaction. At present, the research on indoor environmental quality (IEQ) is limited to the single IEQ domain of heat, sound, light and air quality or the interaction of environmental factors between two IEQ domains, while the research on the relationship between comfort and psychological emotion is relatively scarce. Based on this, this paper takes the education space related to the art museum and college student activity center of Shandong Jianzhu University as …

Application Of Leagile Theory In Construction Industry To Improve Value-Creating Activities, Xue Chen, Kunkun Li, Fan Yang, Mohammad Masfiqul Alam Bhuiyan, Ahmed Bouferguene, Mohamed Al-Hussein

CIB Conferences

This study explores the integration of Lean and Agile methodologies, known as “Leagile”, in the construction industry. Lean construction emphasizes continuous workflow and process optimization to reduce waste, while Agile management embraces the inevitability of change, promoting continuous discovery and learning throughout a project’s lifecycle. Clearly, both approaches require effective communication with project stakeholders and customers to enable iterative improvements. In recent years, the concept of “Leagile”— blending these two methodologies — has already been successfully applied in various sectors such as manufacturing and supply chain management. However, in the construction industry, the hybridization of Lean and Agile management is …

Water Quality Sensing System Based On Sdgs: A Case Study Of Penghu Taiwan, Feng-Jun Huang, Hao Yang, Ming-Ta Yang

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To support SDG 14, this study presents a buoy-based water quality monitoring system designed for cage aquaculture in Penghu, Taiwan. The system floats on the sea, enabling continuous water quality monitoring with real-time location tagging. It consists of three main components: an offshore buoy, an on-site client, and a remote server. The offshore client, controlled by an NI myRIO, integrates various water quality sensors and a GPS module to accurately measure pH, oxidation-reduction potential, dissolved oxygen, total dissolved solids, and conductivity. GPS data is transmitted to the remote server for real-time location display.The server, programmed with LabVIEW, handles data processing …

The Role Of The University In Making The Built Environment More Accessible And Inclusive For People With Disability: A Case Study From New Zealand, Claire L. Flemmer, Rory C. Flemmer, Alison J. Mcintosh, Andries Van Heerden, Mikael Boulic, Chinthaka Atapattu, James O B Rotimi Prof

CIB Conferences

The need to reduce inequality for people with disabilities is a strong theme in the United Nations Sustainable Development Goals. Cities and communities should be inclusive, but the Built Environment has many buildings and spaces with problematic access features that make full participation impossible for this demographic. Universities can play an important role in addressing the issues underlying barriers to access and in providing clear steps for improvement and inclusion. The role involves interacting with all the key stakeholders including people with disabilities, disability advocacy organisations, construction professionals, legislators, students and the general public. This research demonstrates the role in …

Best Practices In Applying Public-Private Partnership (P3) To Us Transit Facility Electrification, Hyun Woo Lee, Laura Osburn, Bart Treece, Huoi K. Trieu, Yohan Min

CIB Conferences

The growing number of state, county, and city regulations aimed at achieving zero-emission goals is a significant driver pushing many agencies to transition to electric fleets within the next 10 to 20 years. Despite the accelerated timeline and increasing social/political demands, many transit agencies do not have internal capability required for developing, managing, and operating transit electrification infrastructure, or the required capital. To meet these challenges, some transit agencies have explored the potential for using a Public-Private Partnership (P3) delivery method, yet their practices and lessons-learned are neither documented nor reported broadly. In response, this study aims (1) review the …

The Flexibility Of Detached Wooden Houses By Local Builders In Japan, Toru Eguchi, Rise Tanaka, Hideaki Sumikura, Shiro Watanabe

CIB Conferences

This study examines the flexibility of detached wooden houses supplied by local builders, which constitute a significant portion of Japan's housing production. Historically, prior to World War II, wooden houses dominated the housing supply in Japan, with standardized modules prevalent nationwide. Moreover, century-old wooden houses, considered local historic assets, continue to be utilized through component replacements, additions, and refurbishments, highlighting the inherent flexibility of Japan's wooden housing system. Despite the postwar rise of reinforced concrete and steel-frame houses, numerous local builders emerged across Japan and retain a substantial presence in the current housing market with wooden houses.

Most of the …

Ecosphere: A Decision-Support Tool For Automated Carbon Emission And Cost Optimization In Sustainable Urban Development, Siavash Ghorbany, Ming Hu, Siyuan Yao, Matthew L. Sisk, Chaoli Wang

CIB Conferences

The construction industry is a major contributor to global greenhouse gas emissions, with embodied carbon being a key component. This study develops EcoSphere, an innovative software designed to evaluate, and balance embodied and operational carbon emissions with construction and environmental costs in urban planning. Using high-resolution data from the National Structure Inventory, combined with computer vision and natural language processing applied to Google Street View and satellite imagery, EcoSphere categorizes buildings by structural and material characteristics with a bottom-up approach, creating a baseline emissions dataset. By simulating policy scenarios and mitigation strategies, EcoSphere provides policymakers and non-experts with actionable insights …

Evaluation Of The Hygrothermal Behavior Of A Full-Scale Adobe Evaporative Cooler: A Possible Solution For Food Storage In Vulnerable Communities., Camila Catherine De Morais Cassundé, Andrea Naguissa Yuba

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Using evaporative cooling to preserve food using artisanal construction techniques on land is an alternative to provide more autonomy for vulnerable communities. Still, studies are needed to prove their efficiency under different conditions. An adobe evaporative cooler with a capacity for 1 ton of produce was developed and built by Davalo (2021) in Campo Grande, MS, Brazil, and required additional studies of hygrothermal behavior and efficiency. To give sequence to her work, this research is conducted by the same lab, and aimed to determine the best operating conditions of this cooler through complementary real measurements of hygrothermal performance and determine …

A Conceptual Framework For Implementing Safe Structural Options And Risk Assessments In The Alteration Of Structures - A Case Study Of Ross House, Uk, David Oloke

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Structural alteration and refurbishment continue to account for a sizeable portion of the UK Construction Industry projects. These projects range from simple domestic extensions and alterations to very complex multi-storey building modifications and refurbishment. The more complex the project, the higher the risk to health and safety of the construction personnel. Residual risks (where risk elimination fails) may also be passed on to the users of the completed project. To mitigate this, feasibility of the proposals from an architectural standpoint must be subjected to a rigorous process of existing foundation and structural investigations aimed at generating results that will ensure …

Scientometric Review Of Barriers To Carbon Trading Adoption In The Construction Industry, Augustine Senanu Komla Kukah, Xiaohua Jin, Robert Osei-Kyei, Srinath Perera

CIB Conferences

The construction industry is a significant contributor to global carbon emissions. To reduce the impact of climate change, carbon trading has become an emerging domain. The urgent requirement for construction projects to comply with relevant environmental regulations shows that carbon trading application to the construction industry is expected to aid the industry mitigate its carbon emissions. The purpose of this study is to undertake a scientometric literature review of the barriers construction industry faces in adoption of carbon trading. Scopus and Web of Science were the databases adopted. Relevant keywords aided by Boolean search operators were used. Of 342 articles …

A Conceptual Framework For Measuring Productivity And Performance In Industry 5.0: A Built Environment Perspective, Godfaurd A. John, Kasun Gomis, Kelechi Bukola Babatunde

CIB Conferences

The construction industry in most countries is an early indicator of the nation’s economic health. When things are buoyant and the construction market is booming, it indicates the state of the viability of the country’s economic position. The model used in measuring productivity since WWII (e.g., labour productivity, GDP per capita, multifactor productivity) does not seem suitable for the emerging industry 5.0 (I5.0), considering the prevailing factors within the Built Environment (BE). These metrics are optimised over the years to provide detailed and comprehensive insights into productivity trends and drivers, which lacks necessary attributes to measure productivity and performance in …

Integrated Project Delivery And Its Use In Construction, Steven P. Iwankovitsch, Raed Jarrah

CIB Conferences

Integrated project delivery (IPD) is a unique delivery method that involves a collaborative approach among the primary stakeholders. Unlike traditional methods, where parties tend to prioritize their individual interests, IPD aligns everyone's goals for the collective benefit of the project. This approach encourages open communication, shared risk and a collective commitment to success. This study will provide a comprehensive review of the literature, an overview of the IPD delivery structure and a review of case studies comparing and contrasting IPD with traditional methods. Key findings indicate that IPD is still a relatively niche project delivery method but has had great …

Development Of The Change Readiness Diagnostic Tool Through Industry 4.0 Transformation; Uk Infrastructure Sector Case Study, Haddy Jallow Dr, Suresh Renukappa Dr, Subashini Suresh Professor, Lingaraja Gandhi Professor, Jayakara Shetty Professor, Chandrashekara Kalenahally Gangegowda Dr

CIB Conferences

Industry 4.0 implementation still proves to be a challenge within the UK infrastructure sector and the decision-makers within organisations in the sector despite its clear importance as it introduces several changes to the organisation's structure, processes, and business practices. Due to the challenges and lack of understanding in the sector, it is vital for change management to be highly considered in the decision-making process of implementation of Industry 4.0 initiatives to ensure successful implementation. It has been highlighted that organisational culture and resistance to change is a key barrier to successful implementation which should be addressed before organisations implement Industry …

Dynamics And Synergistic Mechanism Of Green Building Transition: Helix Model And Helix Culture, Jingqing Hong, Isabelle Chan

CIB Conferences

The Green Building Transition (GBT) represents a critical long-term socio-technical shift towards sustainable modes of production and consumption in urban areas. However, a research gap exists in comprehending the intrinsic motivations and synergies among stakeholders involved in promoting and implementing green building practices. This study aims to address this gap by investigating the dynamics of GBT by introducing a novel theoretical framework based on Leydesdorff and Etzkowitz's Helix model. The results indicate a deficiency in the existing GBT frameworks regarding the comprehensive comprehension of interactions among multi-level key stakeholders involved, as well as the absence of a quantitative assessment of …

The Adoption Of The Circular Economy By Small And Medium Sized Enterprises In The Pakistan Construction Sector, Khurram Iqbal Ahmad Khan, Roger Flanagan

CIB Conferences

Circular economy (CE) provides an alternative paradigm to the take, make, and dispose approach focusing on the use of resources for an unlimited period. The CE is being propounded by all nations, but it has been devised by the developed economies with a lack of focus on the developing economies. For CE to be successfully implemented on a global scale, there is a need to understand and incorporate the dynamics of the developing economies for CE implementation. Pakistan is among developing economies where there is a need to adopt circular economy practices. The Pakistan construction sector is important, but there …

Circular Economy And Leed V4: Benchmarking Materials And Resources Credit Achievement, Radwa Eissa, Islam H. El-Adaway

CIB Conferences

Previous studies consistently highlight a gap in the achievement of Materials and Resources (MR) credits across different versions of the LEED (Leadership in Energy and Environmental Design) rating system, despite its critical role in the transition to a Circular Economy (CE). Furthermore, there is a lack of studies benchmarking the level of the MR credit achievement in the latest version of LEED, v4. This paper examines the integration of CE principles in LEED v4 BD+C (Building Design and Construction): NC (New Construction and Major Renovations), focusing on the 971 certified projects in the US. The study benchmarks the achievement degrees …

Towards A Healthier Workforce In The Construction Industry, Thalente L. Nkosi, Fidelis A. Emuze, Abimbola Windapo

CIB Conferences

Abstract: A sustainable built environment aligns with the United Nations Sustainable Development Goal 3 (Good Health and Well-Being) by enhancing workforce health and welfare in the construction industry. This study employs a systematic literature review methodology to identify best practices, technologies, and policies contributing to achieving SDG 3. The findings reveal that integrating technologies such as Building Information Modelling (BIM), wearable sensors, and prefabrication techniques improves worker safety and mental health while reducing physical hazards. Furthermore, comprehensive well-being programs, ethical planning, and stakeholder collaboration can significantly enhance worker welfare and productivity. The study highlights the challenges in implementing health and …

Ethical Risks Of Human–Robot Interaction In The Construction Industry: A Systematic Review, Liying Wang, Wenqi Li, Botao Gu, Nan Li, Dongping Fang

CIB Conferences

Robotics is increasingly deployed on construction sites, enhancing efficiency, safety, and quality. However, the form of human–robot interaction (HRI) poses various ethical challenges, and insufficient attention has been paid to the ethical aspects of HRI in the construction industry within the academic community. To bridge this gap, this study aims to identify, analyze, and evaluate ethical risks across various HRI patterns in the construction industry through an agent-relationship-scenario three-tier ethical lens. This lens includes three types of agents: managers, workers, and robots, as well as five interaction patterns: remote monitoring, proximity manipulation, non-collaborative coexistence, non-wearable collaboration, and wearable collaboration. This …

Enhancing Energy Efficiency And Economic Sustainability Of Buildings Through Phase Change Material Integration—A Systematic Literature Review, Abrar Ahmad, Hongtao Dang

CIB Conferences

Building construction and operation consume one-third of the world's total energy, and thermal loads account for 34 percent of the total building energy consumption. Phase change materials (PCMs) emerged as a solution to reduce energy consumption in buildings due to their high energy storage density and the ease with which PCMs can be incorporated into buildings. This study presents a systematic literature review of 32 peer-reviewed journal papers based on relevancy to the topic, published between 2008 and 2024, to identify critical parameters that enhance the energy efficiency of buildings incorporating PCMs in their building envelopes. The findings indicate that …

Transition From A Linear Information Model To A Circular Information Model - A Deep Dive Into The "State Of The Art" For Circular Data Models In Public Parts Of The Construction Industry In Norway, Håkon K. Gissinger Mr, Nora Johanne Klungseth

CIB Conferences

Transforming from linear society to circular society is fundamental to solve the climat chrisis. To make construction sector circulare, we first need to develop circular data models for built asset. Circular asset data will need to be updated through the life cycle to become a digital twin. Replacement of physical components serves as “triggers” for updating digital twins. But who are the actors in the updating process, and how do they cooperate? The paper present two Norwegian cases of “level 3 digital twin” (Elyasi et al, 2023), and the roles and actors that contribute to update the twinned data. Research …

Assessing The Evolution Of Building Whole Life Carbon Across Two Socio-Economically Similar Districts, Ilmari Eliot Talvitie, Antti Kinnunen, Ali Amiri, Seppo Junnila Professor

CIB Conferences

Population growth, rising housing costs, and regional disparities are driving a growing demand for new housing. However, buildings contribute approximately 40% of global carbon emissions, necessitating sustainable approaches in construction to mitigate climate impacts. This study evaluates whole life carbon (WLC) emissions in two Helsinki districts, Malminkartano and Kannelmäki as a control area, analyzing 187 buildings constructed between 2001 and 2020. Buildings are grouped by district and construction period into four Housing Portfolios (HPs) to examine trends in embodied and operational carbon emissions over time. Findings reveal a significant reduction of 45–50 % in WLC in newer HPs. The reductions …

Nexus Between Carbon And Waste In A Circular Built Environment: A Bibliometric Analysis, Navodana Rodrigo Dr, A.M.D.S. Atapattu

CIB Conferences

The construction industry, being one of the key contributors to greenhouse gas emissions, generates approximately 39% of global carbon emissions. In line with the ambitions of the Paris Agreement and to accelerate the built environment sector towards a 1.5⁰C pathway, most countries have agreed to nationally determined contributions to achieve net zero targets by 2050. On the other hand, the traditional linear economic model focuses on take-make-dispose while circular economy emphasises the better use of resources by using closed loops of resource flows by recovering and preventing waste as much as possible. Therefore, decarbonising the overall construction industry …

Public Space Is More Than Architecture: A Critique To An Urban Renewal Project In Shenzhen, China, Cheng Li, Zhidi Cheng, Jilin Li

CIB Conferences

Urban regeneration is a multifaceted process that encompasses both the physical change of locations and the social and cultural reimagining of communities. This study analyzes an industrial heritage renewal project in Shenzhen, China, utilizing urban planning theories including Jacobs' Great Streets and Lydon’s Tactical Urbanism. The study emphasizes the disparity between architecture design implementation and the problems and the way of improvement in urban regeneration initiatives. It underscores the significance of public space design and management for sustained success, providing insights into how urban design may enhance community engagement and elevate quality of life. This study seeks to offer pragmatic …

Comparative Analysis Of Bert And Roberta For Construction Site Incident Report Classification, Abdul-Manan Sadick, Brandon Smith, Farnad Nasirzadeh, Sanaz Sadeghi, Sunil Ayal, Mohamed Reda Bouadjenek

CIB Conferences

Most studies that investigated the automated classification of construction incident reports relied on traditional machine learning approaches, line support vector machines, decision trees, and logistic regression. Those approaches, however, have limited capacity to capture rich contextual text information to inform predictions. This study, therefore, investigates the effectiveness of two transformer-based models, BERT and RoBERTa, in classifying construction site incident reports. The purpose of this research is to evaluate the performance of these models in capturing contextual and semantic nuances in incident reports and to determine which model is better suited for supporting safety management tasks in the construction industry. A …

Life Cycle Assessment Of The Decarbonisation Opportunities Of A Brick Manufacturing Facility In Australia, Benjamin Gazeau, Liliane Klemann, Atiq U. Zaman Dr, Alessandro Sanches Pereira

CIB Conferences

This research tackles the urgent challenge of reducing carbon emissions within the construction industry, where building materials—especially bricks—play a significant role in global greenhouse gas emissions. Brick manufacturing, in particular, significantly contributes to the industry’s carbon footprint, underscoring the need for decarbonisation strategies. This study examines potential pathways to achieve this by exploring alternative fuel options and assessing their environmental impact using life cycle assessment (LCA). Focusing on a brick manufacturing plant in Australia, identified as Plant A, the study uses a cradle-to-gate LCA approach to establish baseline emissions and evaluate the benefits of various fuel-switch scenarios. Key results show …

Towards A Participatory Assessment Of Community Flood Resilience, Ezekiel Olatunji, David Proverbs, Chaminda Pathirage, Subashini Suresh Dr, Olutayo Ekundayo

CIB Conferences

Existing Community Flood Resilience (CFR) frameworks often integrate a range of dimensions to measure flood resilience, but social indicators are often overlooked or neglected due to the challenges involved in gathering information and quantifying these aspects. This research presents a novel methodology towards the development of a more comprehensive CFR framework. The methodology presented combines quantitative and qualitative insights through a participatory mixed-methods approach. Initially, the Delphi process is used to co-develop resilience indicators with professional experts drawn from key stakeholders including the Environment Agency, Local Authorities and National Flood Forum, as well as a range of community representatives. This …

Applications, Challenges, And Benefits Of Integrated Project Delivery (Ipd) Method In The Construction Industry, Abu Sadat Mohammad Tayab, Moatassem Abdallah, Caroline Clevenger

CIB Conferences

The Architecture, Engineering, and Construction (AEC) industry plays an important role in the global economy. To achieve efficiency in project objectives such as time, cost, and quality the industry increasingly adopts a variety of techniques and technologies, emphasizing the continuous evolution of project delivery methods (PDMs). Currently, the Construction industry is witnessing significant global growth, and the selection of appropriate and widely accepted PDMs is essential to project success. Although, Integrated Project Delivery (IPD) method is not widely used in the construction industry yet, it is emerging as a viable alternative PDM in large-scale construction projects. This research explores the …

Uav-Dl-Based Computer Vision Framework For Construction Worker Pose Estimation, Roy Lan, Ibukun Awolusi

CIB Conferences

Traditional ergonomic assessments in construction are limited by subjectivity, intermittent monitoring, and scalability challenges. To address these issues, this study presents a framework integrating unmanned aerial vehicles (UAVs) and deep learning-based computer vision for automated ergonomic risk assessment of construction workers. The framework utilizes UAVs to capture aerial footage of workers, enabling continuous monitoring across large and complex sites. Leveraging MediaPipe for pose estimation, the framework detects key body landmarks and calculates joint angles, providing an objective representation of worker postures. These joint angles are then mapped to the Rapid Entire Body Assessment (REBA) scoring system through custom algorithms, which …

Suicide Causal Factors And Mitigation Strategies In The Construction Industry: A Structured Review, Mehdi Torbat Esfahani, Hannah Plesant, Ibukun Awolusi

CIB Conferences

Due to the extreme nature of construction worksite settings, workers are exposed to mental health issues, which results in more injuries and accidents, including unreported mental illnesses, reduced productivity, the stigmas placed on workers by their peers and society itself, and suicide. Although numerous studies have delved into the suicide causal factors, there remains a notable absence of comprehensive research consolidating these findings and offering a holistic understanding of these determinants alongside potential preventive strategies. This study presents a review conducted to synthesize and categorize the factors contributing to suicide and mitigation strategies in the construction industry. To achieve the …