Digital Commons Network^™

A Bibliometric-Systematic Analysis Of Post-Occupancy Evaluation Of Green Building Using Bibliometrix R-Tool, Caleb Debrah, Albert P.C. Chan, Amos Darko, Eunice Akowuah, Judith Amudjie, Kofi A.B. Asare, Frank Ato Ghansah Dr

CIB Conferences

Post-occupancy evaluation (POE) is an essential tool to gather data from occupants regarding their dwelling conditions to inform retrofit decisions or improve future performance. With the growing importance of green building (GB) as a potent mechanism to address sustainability challenges within the construction industry, research on POE-in-GB is critical. However, there has been little effort to provide researchers with a systematic and bibliometric analysis of the state-of-the-art of the POE-in-GB field. To address this gap, this study uses bibliometric-systematic analysis to conduct a state-of-the-art review of POE-in-GB. A dataset comprising 183 publications from 1999-2023 was collected from the Scopus and …

Industry Perspective On Prioritising Construction Tasks For Digitalisation And Grass Root Demand Analysis Of Technologies, Srinath Perera, Xiaohua Jin, Marini Samaratunga, Kathy Tannous Professor, Chyilin Lee, Sachindra Hewavitharana, Mona Jahangirzadeh

CIB Conferences

Construction is the second least digitalised sector globally, negatively affecting performance and productivity. In NSW, Australia the sector is dominated by micro-SMEs, which exacerbates digital adoption. Thus, there is a critical need for an effective mechanism to initiate this transition. This research aims to (a) evaluate the industry perspective on the prioritisation of construction tasks for digitalisation and (b) analyse grassroots demand for digital technologies. To fulfil the first objective, a questionnaire survey was conducted at a roundtable event with 72 industry participants and academics from various disciplines, resulting in 30 responses and a response rate of 42%. The questionnaire …

Critical Review Of Multidimensional Organizational Performance Measurement Models In Construction, Kyudong Kim, Kasey M. Faust

CIB Conferences

Organizational performance is a critical metric for evaluating business success, yet measuring it in construction organizations poses significant challenges due to the industry's inherent complexities, such as its fragmented, project-based structure. Researchers have developed various performance measurement models to address these challenges, including Key Performance Indicators (KPIs), the Balanced Scorecard (BSC), and the European Foundation for Quality Management (EFQM) framework. Despite the widespread use of these models, their application (in what contexts) and integrative use (how they are used together) remain underexplored in construction studies. This study addresses this gap by examining how KPIs, BSC, and EFQM have been applied …

Exploring Camel Hair: A Sustainable Local Material For Architectural Applications In Saudi Arabia, Laila Alqahtani, Basma Shaheen

CIB Conferences

This research explores the potential of camel hair as a sustainable architectural material, emphasizing its applications in air purification, thermal insulation, and aesthetic facade treatments. Camel hair, an abundant yet underutilized byproduct in Saudi Arabia, possesses unique physical and chemical properties, including excellent thermal conductivity, moisture resistance, durability, and biodegradability. These attributes position it as a viable alternative to conventional materials, particularly in arid climates.

The study draws on experimental data, including patented filtration systems, to evaluate camel hair’s performance in architectural contexts. Comparative analysis highlights its advantages over other animal-derived materials, such as wool, leather, and bone, in terms …

Investigating The Implications Of Industry 4.0 Technology Integration On Critical Trade Roles In Offsite Construction, Enrico Lattuga Mr, Buddhini Ginigaddara Dr

CIB Conferences

The Fourth Industrial Revolution (4IR) has seen the rapid advancement and integration of digital technologies within construction industry practice and offsite construction (OSC) explicitly presents such adoptions. OSC transforms the traditional ‘hands on’ roles of trade workers to that of digital machinery and robotic operators. This study investigates the implications that emerging technology adoption in OSC has on critical trade workers. A a semi-systematic literature review was conducted, evaluating 64 sources from the Scopus database. Employing a 3-stage screening process, 14 sources were critically evaluated. The findings established that carpenters, joiners, electricians, plumbers, HVAC technicians, and metal workers are critical …

Metaverse Applications In Construction Research: Are We There Yet?, Mohamed Assaf, Sena Assaf, Mohamed Al-Hussein, Xinming Li

CIB Conferences

Despite the significant potential of extended reality (XR) technologies in construction research, achieving a collaborative virtual environment that allows real-time engagements among various geographically remote stakeholders is a challenge. Building upon XR technologies, metaverse technology was introduced recently in construction research as a possible solution to address this issue, as it allows multiple users to engage and communicate in virtual environments. Being introduced recently, the applications of the metaverse in construction research (ConVerse) remain immature, vague, and unexplored. Seasoned researchers interested in the ConVerse research still need a reference guide to better understand the potential of the metaverse and its …

Wearable Technologies In Construction: Age-Related Perceptions, Privacy Concerns, And Feedback Preferences, Wei Zhou, Sogand Hasanzadeh

CIB Conferences

With the increasingly aging workforce in the construction industry, understanding age-related differences in the adoption and use of wearable devices is crucial, particularly as privacy concerns pose significant barriers to implementation. While previous studies have addressed challenges older workers experience in construction, limited research has explored how wearable technologies specifically impact workers across different age groups. This study investigates older and younger construction workers' attitudes, perceptions, and interactions with employer-provided wearable devices. A comprehensive survey examined key factors such as privacy concerns, data ownership issues, mental-related data privacy, and the effects of different feedback methods on safety and performance. The …

Bridging Academia And Construction Industry: Insights From Sequential Multi-Internship Experiences, Brandon Fulk, Sogand Hasanzadeh

CIB Conferences

The industry-sponsored internship is a learner-centered pedagogy rooted in the experiential learning model. While existing literature extensively highlights the importance of experiential learning and internships, a significant gap remains regarding the effectiveness of sequential multi-internship programs. This study investigates students' overall experiences within a sequential multi-internship program, leveraging survey data that captures their reflections across three internships. The analysis postulated that generally, students demonstrated increased positive experience from their first internship to their third. Additionally, the study examined how the diversity and number of companies—whether students interned with one, two, or three—impacts their overall experience. These findings inform the development …

Toward Thermal Comfort Assessment And Modelling: A Literature Review, Pretty John, Jorge Rojas, Sogand Hasanzadeh

CIB Conferences

Managing thermal comfort in built environments is a challenging task that requires addressing occupants' diverse preferences and adapting to changing external conditions. Indoor environment quality significantly influences human thermal comfort, health, and productivity, making it essential to create inclusive and comfortable spaces. This paper conducted a comprehensive literature review of thermal comfort assessment and modeling in indoor environments, offering an in-depth exploration of current advancements and existing knowledge gaps. This paper investigates influential factors of thermal comfort, their nature, their interactions, and their impact on overall occupant satisfaction. This paper provides insights into knowledge gaps and offers insights into future …

Perceptions Of 3d Printing Construction Adoption In Latin America: Opportunities, Barriers, And Strategies For Sustainable Infrastructure, Jorge Rojas, Andrea Braul, Sogand Hasanzadeh

CIB Conferences

Within Architecture, Engineering, and Construction (AEC), 3D Printing Construction (3DPC) offers significant potential by facilitating design flexibility, reducing reliance on formwork, and enhancing sustainability. However, the broader adoption of 3DPC is hindered by critical challenges, including lack of standards, material properties, and extra costs associated with a high initial investment. While previous studies have already explored the opportunities and barriers regulating the adoption of this technology from the perspective of a developed country, there is a critical need to better understand its potential in developing nations. This research aims to identify the AEC community's perception of 3DPC across four key …

A Review Of Supply Chain Dynamics Of 3d Concrete Printing Construction Practice, Jiayue Ma, Don A.S. Samarasinghe, James O B Rotimi Prof, Kelvin Zuo

CIB Conferences

3D printing has gained increasing interest as a revolutionary digital technology in the construction industry. This technology has been supported as an effective tool for improving construction efficiency. Through a previous systematic review study, we comprehensively analysed the benefits and challenges of 3D printing technology implementation in the construction industry. This paper will follow the findings of the review study, investigating supply chain management strategies and challenges in 3D concrete printing projects in conjunction with a questionnaire pilot study.

This paper is part of an ongoing research programme focusing on the decision-making mechanism of construction supply chain management in 3D …

Preliminary Proposal For A Knowledge Management System In A Brazilian Construction Company, Based On Iso 30401 Requirements, Juan F De V Otoya, Silvio B. Melhado

CIB Conferences

Knowledge management (KM) has established itself into a discipline for the past decades, progressively being incorporated into international standards such as the International Organization for Standardization (ISO) Standard 9001, in 2015 and well-established guides, such as the PMBOK, in 2017, becoming an International Standard in 2018, ISO 30401, which sets the requirements for Knowledge Management Systems (KMS). Although there is substantial literature on the use and application of KM tools and techniques in the construction industry, proposals for KMS are scarce, and, specifically aligned to the ISO 30401 requirements, inexistent. Thus, the purpose of this paper is to tackle this …

Performance Of Natural Pozzolans (Nps) In Field Concrete Mixtures, Bibigul Zhaksybay, Alberto Castillo, Raikhan Tokpatayeva, Jan Olek

CIB Conferences

Cement, the binding component of concrete, the most widely used construction material in the world, accounts for 8% of global CO₂ emissions. Its significant contribution to global warming has motivated researchers to aim for achieving carbon neutrality by 2050, in alignment with the 1.5°C global warming temperature limit stipulated by the Paris Agreement. A successful strategy to reduce CO₂ emissions in concrete production is through the use of supplementary cementitious materials (SCMs) as a partial replacement for cement. However, it is estimated that by 2030, the demand for the most common SCM, fly ash, will exceed its supply. …

Construction Supply Chain Resiliency Strategies From A Life-Cycle Perspective, Jordyn A. Golden, Gabriel Castelblanco

CIB Conferences

Construction supply chain (CSC) disruptions have caused local and global issues, with an increased awareness to identify practical strategies to combat these issues. This paper aims to address the research gap in phase-specific resiliency strategies to mitigate disruptions in the construction supply chain (CSC). A qualitative approach was adopted to close this gap by conducting a literature review of CSC resiliency articles to identify key resiliency strategies and supply chain life cycle (SCLC) phases. This paper contributes to the body of knowledge by (1) identifying trends in the number of publications in CSC resiliency research, (2) proposing a taxonomy of …

Impacts Of Natural Disasters On The Construction Industry: Contractors’ Perspectives, Elrasheid Elkhidir Dr, Suzanne Wilkinson, Regan Potangaroa

CIB Conferences

Contractors are at the core of the construction industry and the forefront of disaster response and reconstruction programs. The resilience capacity and the wellbeing of the contracting industry are crucial. This study investigates the impacts of natural hazard disasters on construction contractors. Semi-structured interviews with twelve senior executives from leading construction firms were conducted, and the data was thematically analysed. The research revealed four prominent themes: opportunities arising from disaster events, workforce and materials challenges, incurred damages and losses, and weather-related disruptions. The increased project demands resulting from damages by disasters constitute growth opportunities for the contractors, and the urgent …

Innovative Approaches To Qa/Qc In Construction: Current State, James O. Toyin, Anoop Sattineni

CIB Conferences

The construction industry has long faced inefficiencies in Quality Assurance (QA) and Quality Control (QC), often relying on manual inspections. As construction demands increase and projects become more technologically advanced, there is an urgent need for innovative QA/QC methods that enhance precision and efficiency. While attempts have been made to integrate technology into QA/QC practices, gaps remain in comprehending precision and efficiency, documenting and synthesizing these advancements. This paper addresses this gap by conducting a critical review of emerging digital technologies in QA/QC and identifying future research directions with construction 6.0 speculations for 2050. A structured critical review methodology was …

Understanding Potential Challenges In Demolition Robot Teleoperation To Inform Interface Design: Insights From Industry Professionals, Zihao Wang, Patrick Borges Rodrigues, Yiyang Fang, Lucio Soibelman, Burcin Becerik-Gerber, Shawn C. Roll, Gale M. Lucas

CIB Conferences

Teleoperation is receiving intense attention due to its potential to address health and safety concerns for construction workers caused by on-site hazards. It allows operators to control robots from a distance outside their field of view using wireless communication technologies. Currently one of the most frequently deployed robotic technologies in construction is the remotely operated demolition robot within the field of view. While distance teleoperation offers great potential for enhancing worker safety and addressing labor shortages, the complex and dynamic demolition sites present unique challenges. This paper introduces the preliminary results of a study that explored potential challenges in demolition …

Bridging Conflicting Sustainable Goals: Ai-Empowered Analysis Of Biodiversity Commitments And Impacts In Renewable Energy Projects, Xinyi Xu, Jin Xue

CIB Conferences

The development of renewable energy projects, while essential for mitigating climate change, poses significant challenges to biodiversity conservation due to habitat loss, fragmentation, and species displacement. Aligning these projects with global sustainability goals, such as SDG 15, requires addressing the often-overlooked gap between biodiversity commitments and actual impacts.

To tackle this challenge, a conceptual framework is proposed in this study that illustrates the relationship between biodiversity commitments and impacts through four hierarchical levels. The framework distinguishes between predicted and actual impacts, as well as compliance-driven and proactive commitments. It incorporates alternative data sources, such as compliance documents, ESG reports, and …

Improving Supply Chain Efficiency Through Traceability Technology Adoption In Residential Construction: A Waste Process Approach, Tim Rose, Tendai Makasi, Stephen Kajewski, Sara Rashidian

CIB Conferences

The construction industry has been increasingly adopting traceability technology to capitalize on various delivery benefits and improve production efficiency. Such benefits include enhanced supply chain management, improved project efficiency, improved sustainability and blockchain integration. Further, construction companies are investing in building product traceability to address growing consumer interest in transparency relating to material provenance and quality and to ensure materials are sourced sustainably and comply with regulations. Despite these benefits, analysis of how traceability technology can improve supply chain efficiency has been limited, particularly in the residential construction sector. Utilizing a case study, this research pilots a new approach in …

Is Construction Material Science Lagging Other Industries?, Matt Stevens, Alan Todhunter, Laura Almeida, Anthony Butera

CIB Conferences

For over a decade, construction material researchers have largely ignored the world’s largest publicly accessible molecular database, The Materials Project. Today, Artificial Intelligence (AI) coupled with material databases is the new starting point for innovating products in the construction industry. More well-documented advancements in material performance have occurred in this century thus far than the last one. Coupled with Machine Learning, the possibility of rapid construction product improvement is realistic, given several verified breakthroughs in other fields. This is an efficacious way to approach advancement. Highly accurate data provides AI with the needed information to connect molecular dynamics with decision-making …

Proposed Framework For Llm-Based Feedback In Leed Assignments, Zhenlin Yang, Gabriel Castelblanco, Laura Cruz-Castro, Maryam K. Multani

CIB Conferences

This study investigates the potential of large language models (LLMs) to enhance feedback generation for written assignments, with a focus on Leadership in Energy and Environmental Design (LEED) projects. Through a systematized review of 70 studies, we identify key trends, including a predominance of structured (52.63%) and argumentative inputs (21.05%) and iterative feedback mechanisms (64.91%), which align with LEED’s criteria-driven workflows. However, gaps remain in addressing technical inputs (3.51%) and scalable automated feedback systems tailored to LEED-specific needs. To address these challenges, a conceptual framework is proposed, emphasizing advanced natural language understanding, real-time iterative feedback, and automated validation systems to …

An Approach For Assessing Occupancy And Indoor Co₂ Concentrations Based On Alternative Environmental Metrics Through Machine Learning, Niloufar Ghazanfari, Georg Reichard

CIB Conferences

There has been an evolving discussion regarding indoor air quality (IAQ) challenges in buildings through the outbreak of the most recent pandemic and other respiratory illnesses. Proper management of indoor environmental factors is crucial for maintaining a healthy indoor environment while also optimizing energy usage. One of the key factors affecting indoor air quality is CO2 concentration, where controlling its levels within acceptable ranges over time is essential to maintain occupants’ cognitive performance. The use of multiple CO2 sensors for more precise IAQ monitoring or installation of variable speed air systems that adjust the ventilation needs at any given time …

Socio-Political Risk Analysis Of Public Private Partnership (P3) Affordable Housing Projects In Ghana: A Case Study Of Three Projects, Ivan Asamoah, Shirley N. Tandoh

CIB Conferences

The implementation of the United Nations (UN) Sustainable Development Goals (SDGs) has driven numerous governmental initiatives aimed at achieving these targets. Considerable progress has been observed globally, particularly among developing nations, in the pursuit of Sustainable Cities and Communities (SDG 11) by the year 2030. However, despite these advancements, many countries, especially in the developing world, continue to face significant challenges in fully realizing this objective. In Ghana, the public-private partnership (PPP or P3) model has been adopted as an approach to facilitate successful housing projects.

This study critically examines various affordable housing projects in Ghana to identify potential risk …

The Evolving Landscape Of Procurement Methods In The Construction Industry: A Literature Review, Iresha D. Jayasinghe, Niluka Domingo Dr, An Le

CIB Conferences

The construction industry has acknowledged that novel procurement methods could improve project deliverables quality, reduce costs, and speed up construction. It is vital to examine the available procurement methods for decision-making regarding the correct procurement method to deliver projects effectively. This study explores the evolving landscape of procurement methods and how these new methods address current challenges and meet industry requirements. For this, a critical review was conducted on the Scopus database. Based on the analysis of 48 pieces of literature out of 1795 articles, trends in procurement and influential factors were identified. The four main procurement methods are traditional, …

Enhancing Indoor Thermal Comfort In Educational Settings Through Adaptive Hvac Control And Seating Recommendations, Qinghao Zeng, Marwan Shagar, Kamyar Fatemifar, Pardis Pishdad, Eunhwa Yang

CIB Conferences

Traditional HVAC systems in educational buildings often fail to meet the diverse thermal comfort needs of students due to their reliance on generalized standards such as ASHRAE guidelines. This lack of adaptability could lead to reduced comfort and productivity of students , as well as limited options for them to adjust to their environments. Changing clothing insulation levels seems to be the most practical solution for them. Consequently, the goal of this research is to enhance thermal comfort in the educational indoor environment, specifically focusing on classrooms, by developing a method to create individual thermal profiles for students and apply …

Bim And Safety Integration For Steel Erection Using Intermeshed Steel Connections, Tolulope Oyeyipo, Jose Avila, Ibukun Awolusi, Arturo Schultz, Debra Laefer, Salam Al-Sabah

CIB Conferences

The construction industry faces persistent challenges in the aspect of worker safety and health, particularly with the frequently occurring injuries, illnesses, and fatalities caused by falls, struck-by, and ergonomic hazards, among others. The use of steel as a construction material has increased the scale and complexity of projects by introducing more intricate design, production, fabrication, and especially the erection processes which impact the safety and health performance of steelworkers. Studies have shown that steel connection systems, specifically innovative systems such as the intermeshed steel connection (ISC) can play critical roles in moderating the types of hazards steelworkers are exposed to. …

Factors Affecting The Capacity And Capability Of The Commercial Building Sector In New Zealand, Chinthaka Atapattu, Niluka Domingo Dr

CIB Conferences

The construction sector also appears to have suffered a significant impact from the COVID-19 pandemic over the past three years. Therefore, properly identifying the capacity and capability of the NZ construction industry and improving construction resilience is crucial. Hence, this study focuses on the commercial building sector by conducting an in-depth case study on recently completed commercial buildings in NZ. The study was carried out through 13 semi-structured interviews with the stakeholders of the selected case who had sound knowledge and experience on the case. According to the study, 90% of the participants pointed out that proper communication and team …

Indigenous Engagement Role In Sustainable Pipeline Construction: Canadian Insights, Haroun Elyasir, Iyad Al Hasan, Ahmed Hammad

CIB Conferences

This paper examines the pivotal role of Indigenous engagement (IE) in fostering sustainable pipeline construction in Canada. It delves into how meaningful engagement with Indigenous communities contributes to social acceptance and project success. it examines how IE impacts the ESG score for pipeline projects, which in turn, affects the cost of capital for proceeding with projects. Using a case study, the paper finds that Indigenous engagement plays a crucial role in determining the weight and score of the social component in ESG evaluations. It concludes that improvements in Indigenous engagement can lead to a lower cost of capital, ultimately enhancing …

Artificial Intelligence For Early Decision-Making Optimization In The Use Of Modern Methods Of Construction In Housing Projects In Chile, Leonardo Javier Caamaño, Andrés J. Prieto

CIB Conferences

Modern Methods of Construction (MMC) represent a significant opportunity to address the stagnation of productivity in the construction sector, offering advantages such as reduced uncertainty in schedules and costs, minimized waste, and improved sustainability. However, in Chile, the adoption of MMC remains low due to limited information and the lack of early integration in project planning, leading to subjective decision-making. The OptimizIA project, developed by CDT, proposes an artificial intelligence (AI) model to predict and recommend the most suitable MMC solutions based on specific project conditions. This tool supports objective early decision-making in housing projects.

The research involved piloting the …

Predicting And Enhancing Indoor Environmental Quality In Educational Environments: Latest Trends In Ai And Machine Learning Applications, Abdurrahman Baru, Marwan Shagar, Anshi Vajpayee, Jin Lee, Graham J. Moore, Eunhwa Yang

CIB Conferences

Indoor environmental quality (IEQ) affects students' health and academic performance who spend substantial time in school environments. This systematic literature review article explores how Artificial intelligence (AI) and Machine learning (ML) can predict and enhance IEQ within educational environments. A systematic review of 20 articles published between 2021 and 2024 was conducted using the PRISMA method, with all articles retrieved from the Scopus database. This article addresses three key research questions: 1) What IEQ factors are measured in university buildings, and why are they studied? 2) Which IoT sensors are employed in university buildings, and how are their data collected …