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Ali, S (2022) Identification of key factors that aid the decision on whether to refurbish-reuse or demolish-rebuild existing and newly designed buildings and highways, Unpublished PhD Thesis, , London South Bank University.

Barrett, P (1989) Practice management in selected construction-related professions, Unpublished PhD Thesis, , London South Bank University.

Daoud, A O E (2021) Materials procurement conceptual framework for minimising waste in the Egyptian construction industry, Unpublished PhD Thesis, , London South Bank University.

Dejahang, F (2004) Determinants of productivity on construction sites, Unpublished PhD Thesis, , London South Bank University.

Ganiyu, S (2021) Developing a Bim-Knowledge (Bim-K) framework for improved decision-making in building construction projects, Unpublished PhD Thesis, , London South Bank University.

Ibrahim, M N (2022) Risk management in construction of megahousing projects in Egypt, Unpublished PhD Thesis, , London South Bank University.

Islam, M Z (2018) Resourcing for post-disaster housing reconstruction: the case of Cyclones Sidr and Aila in Bangladesh, Unpublished PhD Thesis, School of Law and Social Sciences, London South Bank University.

Kolawole, O M (2023) A model for improving ethics in construction materials and products supply chain using blockchain, Unpublished PhD Thesis, , London South Bank University.

  • Type: Thesis
  • Keywords: blockchain; business ethics; education; ethics; sustainability; compliance; government; focus group; validation; construction supply chain; learning; professional; interview
  • ISBN/ISSN:
  • URL: https://doi.org/10.18744/lsbu.93qy1
  • Abstract:
    There are countless materials and products that make up a building, including cladding, glazing, roofing, floors, ceilings, systems, etc., and the hidden and fragmented structure of the supply chain makes it highly vulnerable to several forms of ethical breaches at different tiers. Consumers also are increasingly concerned about where the products they are buying come from, highlighting important areas of concern that include the ethical, environmental, and social issues. Whereas current research identifies digitalization as a key part of providing transparency and increasing fairness in supply chains, and blockchain technology is lauded as having the potential to deliver this. However, while there has been a growing emphasis on ethics in construction in recent years, and an increase in studies around blockchain, there remains a paucity of studies related to how blockchain may help to improve the environmental and social dimensions of ethics in construction supply chains. A gap that this study fills through a holistic triple bottom line (TBL) approach. To achieve this, the study aims to develop and validate a model for improving ethics in construction materials and products supply chains (CMPSC) following the TBL construct using blockchain technology. The study also explores the current state of ethics in the CMPSC and the implementations of blockchain for ethics and applies the learnings to develop a conceptual model to improve environmental, social and business ethics in the CMPSC using blockchain. The model was then refined and validated via a dual-phase validation protocol consisting of expert interviews and focus group discussions. A total of 30 participants participated in this study, this comprised of 16 construction industry supply chain professionals, 10 professionals in the ethics/ sustainability in construction and 4 blockchain technology experts. NVivo 12 was utilised to thematically analyse both the interviews and the focus group data. This approach was utilised to investigate the data from both a data-driven perspective (a perspective based on coding in an inductive way); and from the research question perspective (to check if the data is consistent with the research questions and if it provides sufficient information). The 30 interviews resulted in 4 high-level themes, 15 mid-level themes and 28 low-level themes, with the total number of codes within the themes being 721. The analysis of the focus group data resulted in 3 high-level themes and 10 mid-level themes, bringing the total number of codes within all themes to 74. Results from this study revealed that the effectiveness of current ethical measures in the CMPSC has been limited due to weak implementation and compliance, the inability of the government to play its role, and the outright denial of unethical practises within supply chains. Results also show that even though greater emphasis is placed on the business component of ethics while the environmental or social component may only receive as much attention if it can be monetised or if it is demanded; nonetheless, the current state of ethics in the CMPSC remains weak across the three dimensions examined. Further results show that while blockchain may help improve ethics in the CMPSC, in addition to the transparency and digitization that technology provides, the need for education and the upholding of personal ethical values by supply chain players are key to the success of both current and new ethical supply chain initiatives. Individuals must first be made ethically aware in order to act ethically; only then may the implementation of a technological tool prosper. The main contribution of this study to knowledge is the development of a model for improving ethics in the CMPSC within the TBL construct through blockchain technology. The model developed in this study provides practical clarity on how blockchain may be implemented within fragmented supply chains and a significant understanding of a socio-technical approach to addressing the issue of ethics within construction supply chains. It also has a vital role in helping the intended users and actors improve their knowledge of the technology and how blockchain can help to improve ethics in the CMPSC and also understand their roles and responsibilities on the network, thereby providing a framework and prerequisite guidance for the Blockchain-as-a-Service (BaaS) providers in the development of the computer model (blockchain network). The findings of this thesis demonstrate new insights and contribute to the existing body of knowledge by further advancing the discussion on the role of the blockchain in the construction industry.

Madanayake, U (2021) Digitalisation to improve organisational competitive advantage: a study on BBI exploitation, Unpublished PhD Thesis, , London South Bank University.

Mansell, P R (2021) Measuring infrastructure projects sustainable development goals impact (MISI), Unpublished PhD Thesis, , London South Bank University.

Onyia, U (2019) Improving the supervisory and managerial skills and competences required in construction management in Nigeria, Unpublished PhD Thesis, School of the Built Environment and Architecture, London South Bank University.

Oyenuga, A (2016) Economic and environmental impact assessment of construction and demolition waste recycling and reuse using LCA and MCDA management tools, Unpublished PhD Thesis, School of the Built Environment and Architecture, London South Bank University.

Poh, Y P (2005) Knowledge-based integrated project duration-cost risk simulation model, Unpublished PhD Thesis, School of the Built Environment and Architecture , London South Bank University.

Pritchard, C R (1999) Access to construction work and resources in Zimbabwe: An institutional analysis of the development of the construction industry, Unpublished PhD Thesis, , London South Bank University.

Robinson, H S (2000) A critical systems approach to infrastructure investment and resource management in developing countries, Unpublished PhD Thesis, , London South Bank University.

Shahparvari, M (2023) Minimisation of rework in UK housing construction: contribution of subcontractors, Unpublished PhD Thesis, , London South Bank University.

Tam, G C K (2018) Managing project sustainability: a study of the construction industry in Hong Kong, Unpublished PhD Thesis, LSBU Business School, London South Bank University.

Thompson, E T (1997) A rational approach to computer integration in construction, Unpublished PhD Thesis, , London South Bank University .

Umar, T (2020) Developing toolkits and guidelines to improve safety performance in the construction industry in Oman, Unpublished PhD Thesis, School of Built Environment and Architecture, London South Bank University.

Walker, G (1999) A critical analysis into the factors that determine project management success: The case in railway engineering projects, Unpublished PhD Thesis, , London South Bank University.

Wirba, E N (1996) An object-oriented knowledge-based systems approach to construction project control, Unpublished PhD Thesis, , London South Bank University.

Wong, F K W (2000) Construction safety in Hong Kong: The development of models for the safety performance assessment of major contractors, Unpublished PhD Thesis, , London South Bank University.