Digital Commons Network^™

Unraveling Urban-Rural Sustainable Contradictions, Carmel M. Lindkvist, Morten T. Gjerde, Amy A. Mccormack Ms, Ida Nilstad Pettersen, Brita Fladvad Nielsen

CIB Conferences

While Norway has a vast amount of land in relation to its population, the ongoing development of land in rural mountainous and coastal areas is having an impact on nature. Strategies for implementing densification in cities must also consider the impact on rural areas. Within this research we address the contradictory imbalance of the consumption of nature for leisure/urban escapism with that of the conservation of nature in rural areas. Rural areas are often viewed as an escape from the urban chaos and within Norway fall under a right to have access to nature. This right to nature is primarily …

Are Construction Pipeline Information Reliable: The Primacy Of Internally Generated Data In Strategic Decision Making, Taofeeq Durojaye Moshood, Wajiha Shahzad, James O B Rotimi Prof

CIB Conferences

The construction industry in New Zealand is a vital contributor to the nation's economic growth, employment, and business expansion. However, to align with the government's objectives of affordable, secure, and sustainable housing and infrastructure, the industry must adeptly navigate the uncertainties in infrastructure pipelines. Infrastructure pipeline information is crucial in guiding construction stakeholders and government in making strategic decisions about when, where, and how to invest in projects across New Zealand. This study investigates the reliability of construction pipeline information and its impact on strategic decision-making within construction organisations, with a particular focus on the primacy of internally generated data. …

Theoretical Framework For Risk Identification And Assessment In Infrastructure Projects Through Ai-Knowledge Retrieval, Fredrick Ahenkora Boamah, Xiaohua Jin, Sepani Senaratne, Srinath Perera

CIB Conferences

Robust risk identification and assessment strategies are required to reduce the likelihood of failures, delays, and cost overruns in today's complex infrastructure projects. The inability to respond to changing risks and the delay in identifying and assessing risks are both caused by the reliance on static methods commonly used in traditional methods of knowledge retrieval and risk identification and assessment. This study lays out a theoretical framework for better risk identification and assessment through the use of an AI-powered knowledge retrieval. A variety of unstructured data sources, such as contract documents, risk logs, site inspection reports, and emails, are automatically …

In Search For Resonance In Architecture: Observations In Kreuzkölln, Björn A. Lundell Architect

CIB Conferences

This study explores the concept of resonance in architecture by examining public life on Admiralbrücke, a vibrant and multifaceted location in Kreuzkölln, Berlin. The primary objective is to understand how people use, relate to, experience, and interact with their urban environment. It seeks to uncover why certain locations within a city become places that attract, inspire, and encourage activity and vibrancy, creating an atmosphere full of life. This research asserts that the qualities of both place and architecture extend beyond mere functionality and must be carefully analyzed. Through systematic observation of the physical environment and human interactions, the study is …

Using Blockchain And Digital Land Registries To Enhance Land Management And Tenure, Johnny Mahlangu, Godfrey Taunyane, Basiiraa Moosa, Chioma Okoro

CIB Conferences

In many cases, land tenure and rights are not formally recorded, and land administration systems are inaccessible to rural communities. This research study examined the benefits and attendant challenges of using blockchain and digital land registries for land tenure security and management/administration processes. Secondary research using an integrative review was undertaken with materials identified from Google Scholar. Thematic analysis revealed that the benefits include increased transparency and verifiability, automation, increased efficiency, reduced cost and time, simplified processes, reduced conflicts and better access to credit. The challenges include institutional/political factors, market settings, technical and legal requirements, cyber security risks and data …

Benefits And Challenges Of Using Satellite Imagery For Property Valuation Data Collection, Phahla Kondile, Mandla Praisegod Msomi, Basiiraa Moosa, Chioma Okoro

CIB Conferences

In the contemporary landscape of data collection in the property valuation industry, the objective is to enhance valuation sources that maximize both eligibility and accuracy, ultimately leading to superior results in property valuations. This study employs a qualitative approach to explore the benefits and challenges of using satellite imagery as a source of data collection. The analysis draws on secondary data gathered from scholarly articles accessible on Google Scholar and Scopus, supplemented by ancillary data from property market portals, including industry reports and legislative Acts to create a structured understanding of new technologies in a traditional field. The research scrutinizes …

Digital Data Storytelling For Sustainability Education Of A Green Building Project, Laura Almeida Dr, Sepani Senaratne, Srinath Perera

CIB Conferences

Education for Sustainability has been facing an increasing demand not only due to the priorities established by the United Nations Educational, Scientific and Cultural Organization (UNESCO) but also by being one of the main targets of the Sustainable Development Goals (SDGs). In this paper, digital data storytelling and project/problem-based learning approaches were investigated as effective tools for teaching sustainability to university students. Two groups of students, postgraduate and undergraduate, were selected to be exposed to a video showcasing sustainable principles and strategies implemented during the certification of a green building. With collaboration from industry partners, the video is intended to …

Implementing Green Construction To Increase Competitiveness: A Case Of The Indonesian Local Construction Industry, Debby Willar, Bambang Trigunarsyah, Steve Supit, Novatus Senduk

CIB Conferences

A large amount of solid concrete waste construction results in enormous waste for construction projects and is a severe source of landfill pollution. Indonesian contractors have made several efforts to overcome this problem; however, they have yet to represent local contractors. Research in construction waste management has been conducted, which provides a breakthrough for local construction companies to implement green construction and increase their business performance and social responsibility. First, this paper reviews the weaknesses, needs, and possible improvements for the local construction companies to manage construction waste by implementing green construction. Second, it introduces a digital concrete crusher (DCC). …

Sustainable Healthy Communities: The Contested Role Of ‘Region’ In The Housing Development Sector, Graeme D. Larsen Dr, Ange Lee, Megi Zala

CIB Conferences

The English housing development sector is frequently described as being in a state of crisis, presenting challenges for a range of stakeholders. The research is tensioned against structural shifts in the housing development sector, with an agglomeration of a handful of large housing developers shaping the narrative, set against the decline of regional SMEs developers. The aim is to unpack the prevailing discourse and the common reductionist metric of ‘units’ built, in order to reintroduce notions of regionalism, place and sustainable healthy community into the debate. Central to this is unpacking what is meant by ‘region’ or ‘regional’. Contemporary perspectives …

Decentralising Flow Conversations: Improving Productivity Through Collaboration With Site Operatives, Emmanuel Manu, Ani Raiden, Emamode Eyituoyo Akwerigbe

CIB Conferences

Low productivity remains a persistent challenge in the construction industry, often stemming from fragmented workflows, poor integration, and collaboration across the supply chain. This study aimed to investigate how site operatives can be actively engaged in identifying and resolving constraints to site workflow through a structured collaborative practice using the eight-flow model as a framework. The study adopts an Ethnographic Action Research (EAR) methodology, encompassing three iterative stages—observation, action, and reflection. EAR was applied through 3 rounds of workshops with 30 site operatives on a live construction site in the UK focusing on collaborative risk management using a flow activity. …

Social Life Cycle Assessment In Construction: A Bibliometric Analysis, Belal Neazi, Sara Torabi Moghadam, Patrizia Lombardi

CIB Conferences

Urbanisation leads to the expansion of urban areas, which needs vigorous support from the construction sector for infrastructure development. While this sector is a contributor to job creation and economic development, it is also a major consumer of energy and greenhouse gas emissions, which emphasises its need for sustainable development. Achieving complete sustainable development involves an integration of social dimensions as well, which is often neglected in conventional Life Cycle Assessment (LCA). Despite the recent development of S-LCA guidelines, research output remains limited compared to traditional LCA. This study aims to analyse research trends, patterns, and impacts of the Social …

Sustainability In Construction Projects During Budgetary Restrictions: A Case From Norwegian Higher Education, Truls-Petter Tofting Mr., Nora Johanne Klungseth, Renate Holiloekk

CIB Conferences

This paper supports practitioners in achieving their sustainability ambitions when budgets are constrained. Sustainability is high on the agenda in research, practice, and governments, and a necessary requirement for us to turn around the climate change challenges we currently are facing. A successful change requires solid evaluation of the contributions to society, economy, and the environment. Growing evidence supports the idea that sustainability enables economic growth. Advancements in technological solutions ensure that organizations can transform their impact on climate-harming actions in positive ways, reducing their CO₂ emissions. In this paper, we analyze a construction project in a higher education …

Reducing Embodied Carbon Emissions Of High-Rise Concrete Modular Buildings Leveraging Lightweight Module Design, Siwei Chen Mr, Yang Zhang, Wei Pan

CIB Conferences

To reduce embodied carbon (EC) emissions from the construction industry, promoting modular buildings, especially for highly populated regions, is of crucial importance. Nonetheless, the heavyweights of concrete modules have been reported to lead to a series of logistical problems in manufacturing, transportation, and hoisting. On the other hand, the double-panel issues in modular buildings posed concerns related to inefficient material usage, thus leading to potential EC increments. This paper aims to adopt the practical and idealized parametric lightweight designs of modules to estimate the EC reductions throughout the cradle-to-end-of-construction stages. Two types of lightweight module designs, i.e., dematerialized module and …

Developing Sustainability-Focused Competencies In Civil Engineering Technology Students, Amanda Bao, Yewande S. Abraham, Satyanarayana Raju Penmatsa

CIB Conferences

As the world tackles climate change impacts, studies have shown a growing gap in green skills and green talent, emphasizing the need for higher education curricula to be aligned with sustainability goals to prepare students to address and mitigate these impacts. Consequently, there is a critical need to enhance sustainability education to equip the future engineering workforce with the knowledge and skills necessary to tackle these challenges and combat the adverse effects of climate change. By enhancing sustainability education, we can better prepare future engineers to lead the charge in creating a more sustainable and resilient world, especially considering the …

Smart Building Retrofitting Acceptance Model (Sbram): A New Angle Of Optimizing Smart Retrofitting Of Aged Residential Buildings, Fan Zhang, Yixin Tong, Yibo Qiang, Tiantian Gu, Hao Wu, Linyan Chen, Albert P.C. Chan

CIB Conferences

As society and techniques develop rapidly, people raise higher requirements for urban buildings where they live and work. Urban buildings should not only provide suitable space for kinds of activities, but also ensure occupants’ security and health, respond to the changing environments, and provide a better living environment for occupants. In order to improve age residential buildings, smart building retrofitting solutions are widely adopted, such as automatic control of indoor environment, activity detection, health monitoring, smart energy optimization, and other solutions based on IoT, digital twin, computer vision, and other techniques. Even lots of smart building retrofitting solutions have been …

A Case Study On The Revitalization Of A Hospital Building : Toward Open Building Of Existing Buildings, Leo Tanishige, Shigeru Aoki

CIB Conferences

Japan's rapidly aging and shrinking population has resulted in an increasing number of hospital facilities that do not meet today's demands. In order to cope with the rapidly changing healthcare environment in Japan, it is adequate to utilize and renovate existing hospital buildings. This study focuses on the “Refining Architecture” method, abbreviated as “RA” in this paper, which is a drastic renovation of existing buildings through seismic retrofitting, legalization, interior and exterior renovation, and plan and design changes. The process and method of investigation and renovation of existing buildings in RA are clarified using the Hospital project W, which was …

Ontology-Based Assembly Sequence Planning Optimization In Modular Integrated Construction Manufacturing, Zhongze Yang, Weisheng Lu

CIB Conferences

Modular integrated construction (MiC) is recognized as an innovative approach that can help increase productivity in the construction industry. The manufacturing phase of a MiC project plays a significant role in production time, cost, and quality. An interesting observation is that the current production process in MiC factories still follows a similar and long-established construction paradigm and doesn’t enjoy the factory setup. A question is raised for MiC manufacturing whether the assembly sequence can be optimized or even revolutionized to embrace robotics and automation. This paper proposes an ontology-based assembly sequence planning optimization in MiC manufacturing to discuss the possible …

Robotic Teleoperation Of Construction Machinery: Technologies, Applications, And Future Directions, Songbo Hu, Yihai Fang, Yingbin Feng, Tanghan Jiang

CIB Conferences

Robotic teleoperation of construction machinery effectively separates operators from hazardous environments, greatly enhancing safety for tasks in challenging working conditions such as earthmoving. Furthermore, by utilising advanced technologies, such as the Internet of Things (IoT), automated hazard recognition, Mixed Reality (MR), and robotics, it facilitates a more thorough capture of reality, immersive and augmented visualisations, and refined control precision. Consequently, robotic teleoperation is swiftly gaining prominence in the construction industry, and the considerable development of teleoperation systems over recent decades, featured by a growing diversity of incoporated technologies, necessities a comprehensive review. Thus, this review paper delves into the deployment …

A Comparison Of 1d And 2d Hygrothermal Simulation Results For The Evaluation Of The Moisture Performance Of Wood Frame Wall Assemblies, Zhe Xiao, Maurice Defo, Lin Wang, Michael A. Lacasse

CIB Conferences

The moisture behavior of wood-frame wall assemblies is typically assessed using hygrothermal simulations, which can be conducted in either 1D or 2D models, each, respectively, incorporating varying levels of detail regarding the simulated subjects. The 2D simulation offers a more detailed representation of real-world scenarios. Consequently, discrepancies often exist between the results of 1D and 2D simulations in many scenarios. Meanwhile, the 2D simulation demands significantly more computing resources, which may impact the feasibility of certain analyses. For instance, investigating the effects of climate change on building envelope moisture performance includes considering numerous variables such as climate scenarios, wall assembly …

Examining The Impact Of Socio-Economic Factors On Residential Water Use In An Aquifer-Based Urban Environment, Assessing Urban Hydrology: A Case Study Of Four Communities In Alachua County, Florida, Shirley N. Tandoh, Robert J. Ries, Jian Xiaoxun

CIB Conferences

One of the key challenges to urban development is balancing water demand with availability, particularly in rapidly growing populations, which is central to the United Nations' sustainable development goals. In aquifer-dependent water delivery systems, addressing water shortages requires a focus on urban hydrology, preserving groundwater levels, and understanding the interactions within the water cycle. Additionally, socio-economic dynamics significantly impact water use and must be considered in this balance.

This study developed a GIS-based Python simulation to assess the water cycle components using an urban water balance model. The simulation examined land use changes and cultural factors affecting water use, including …

Strategic Development For The Introduction Of A Holistic Sustainable Building Design Course In Construction Engineering Curricula, Geoff Graff

CIB Conferences

Training the future construction engineering workforce would benefit from an increased familiarity with sustainable building design. Given limits on total credits and accreditation requirements, engineering curricula often emphasize specialized content at the cost of essential context and connection between the range of systems and professional roles involved in the Architecture, Engineering, and Construction (AEC) industry. Here, we explore how development of a building technology and design course addresses the unmet need. The subject class leverages the benefits of guiding students through an iterative design process to confront the challenges of, and synergies between, the multiple building systems present in contemporary …

A Review Of Passive Building Research: Energy Performance Influencing Factors, Research Trends And Future Directions, Patrick X.W. Zou, Hui Tian, Ji Bian, Xiaoxiao Xu, Linna Geng

CIB Conferences

The building sector accounts for one-third of the global energy consumption, making it a critical focus for energy efficiency initiatives. To reduce building energy consumption, various technologies have been developed and implemented, and among them, passive building technology has been viewed as effective. However, the development and application of passive building technology faces challenges due to different climate zones, different geographical locations and different social-cultural-technological contexts. Systematically reviewing existing research and analyzing its adaptability and challenges under varying climatic conditions, locations and contexts is important for advancing passive building technology. This study provides a comprehensive review of research progress, over …

Practical Challenges In Assessing Embodied Carbon And Cost Trade-Offs In The Design Phase: Insights From A Residential Building Project, Giulia Scagliotti, Martin Fischer

CIB Conferences

Environmental sustainability has become a core value for many companies in the construction industry. However, while methodologies and tools for carbon accounting are available, design decisions are still primarily driven by cost rather than carbon considerations. One reason for this lies in the timing and availability of data. Cost estimates are collected early and refined throughout the design phase, which supports decision-making. In contrast, carbon data is often unavailable or difficult to gather, rarely updated, and collected late when most design decisions have already been finalized. This misalignment poses practical challenges to effectively integrating carbon and cost assessments into the …

A Novel Approach To Delivering Superabsorbent Polymers For Internal Curing Of Concrete, Chibueze Sylvester Ajuonuma, Raikhan Tokpatayeva, Jan Olek, Kendra A. Erk

CIB Conferences

This study investigates feasibility of incorporating dry superabsorbent polymer (SAP) particles as internal curing agents in concrete utilizing two delivery methods: direct addition of the particles and addition of the particles encapsulated in dissolvable bags. The use of dissolvable bags provides a practical method of storing, handling, and dosing pre-measured amounts of dry SAP particles into cementitious mixtures. Concrete specimens containing SAPs were prepared using both methods, and their properties were evaluated through compressive strength tests at 3, 7, and 28 days, flexural strength tests, ultrasonic pulse velocity (UPV) measurements, and dynamic elastic and shear modulus determinations. Results indicate that …

Future Perspectives On Enhancing The Delivery Of Construction Projects Based On Bim Technology, Hosam Hegazy, Meta Soy, Jiansong Zhang

CIB Conferences

Recently, the construction industry stakeholders in developed and developing countries have been utilizing advanced technologies such as building information modeling (BIM) to help with the delivery of construction projects. This study aims to provide a future perspective on enhancing project delivery using BIM. In this paper, the authors explore the role of BIM in the delivery of a construction project throughout its lifecycle. This paper highlights the findings and benefits of BIM to explore BIM's future use perspectives in the construction industry. Survey result indicates that the BIM applications are still limited, and further efforts are needed to improve its …

Automated Detection For Alignment Of Modular Integrated Construction Modules Using Yolov9, Sulemana Fatoama Abdulai, Tarek Zayed Professor, Abdul-Mugis Yussif, Ridwan Taiwo, Mohamed Sherif Abdallah Ebnsallam Elrifaee, Muhammad Muddassir Dr.

CIB Conferences

Modular Integrated Construction (MiC) represents an innovative approach in the construction industry, where building components are manufactured off-site and assembled on-site, offering enhanced quality control and reduced construction time. While computer vision technologies have advanced significantly in construction applications, the precise alignment of MiC modules during installation remains challenging, with traditional manual methods being time-consuming and error prone. This study develops an automated detection system using a modified YOLOv9 architecture to enhance the precision and efficiency of MiC module alignment. The research employed a three-stage methodology comprising literature analysis, data acquisition of 5,000 images, and model development implemented on a …

Geospatial Analysis Of China’S Overseas Development Finance (Codf) Projects With Protected Areas In Africa, Suyash Padhye, Jenan Almullaali, Makarand Hastak

CIB Conferences

Global infrastructure development is booming given the rise in various bilateral and multilateral infrastructure investment initiatives, like the Belt and Road Initiative (BRI) and the G7 Partnership for Global Infrastructure Investment (PGII). These investments have covered various sectors such as transportation (road, rail, airports, ports) and energy (fossil fuels, renewables) that are expected to facilitate trade and connectivity between countries. The sub-Saharan Africa constitutes the majority of these development finance-based infrastructure projects (44 out of 149 participating BRI countries are in the sub-Saharan Africa). However, no previous study has explicitly focused on investigating the extent of the overlap between these …

Computing Infiltration For Sewer Asset Management, David Devine, Philip S. Dunston

CIB Conferences

Sanitary sewer flows are greatly impacted by infiltration and inflow (I&I), which is water that enters the sewer but is not wastewater. The presence of increased wastewater flows due to I&I increases costs to wastewater utilities and ultimately the public as well as causes detrimental impact to the environment. Water measurement techniques, both from water distribution systems and also from wastewater collection systems, available now, allow near real time data collection that has not been possible in the past. The potential to measure, for a well-defined system, water into the sewer system from a water distribution network and water out …

Concept Development Of Framework For Workplace Violence Prevention Through Building Components Modifications In Hospitals, Ali Mahmoudi, Gabriel Castelblanco

CIB Conferences

Workplace Violence (WPV) is a pervasive issue in healthcare systems worldwide, which significantly impacts the wellbeing of healthcare personnel and the efficiency of care delivery systems. This study aims to review the relationship between the influence of the physical environment attributes and the WPV risk mitigation within general service hospitals and academic medical centers to develop a preventive concept. The review focuses on the physical attributes of hospitals that contribute to creating safe and resilient environments for staff and patients. The conducted review included 22 out of 116 studies after full-text review. The synthesized findings were used to cluster the …

Provincial Carbon Inequality In China’S Construction Industry, Wenqing Han, Dezhi Li

CIB Conferences

The construction industry is a significant contributor to global environmental pressures, China, with its vast construction market, has pledged to peak carbon emissions by 2030 and achieve carbon neutrality by 2060. However, provincial disparities in China, including economic structure, urbanization rates, and resource endowments, have led to carbon transfers and carbon leakage, exacerbating provincial carbon inequality and complicate the implementation of effective carbon reduction strategies. Using data from 2011-2020, this study analyses the spatiotemporal characteristics of CO2 emissions and value added in China’s construction industry and identifies driving factors contributing to regional disparities. Theil index is adopted to measure provincial …