| Title | Mega-Projects in Construction: Barriers in the Implementation of Circular Economy Concepts in the Kingdom of Saudi Arabia |
|---|---|
| ID_Doc | 648 |
| Authors | Alotaibi, S; Martinez-Vazquez, P; Baniotopoulos, C |
| Title | Mega-Projects in Construction: Barriers in the Implementation of Circular Economy Concepts in the Kingdom of Saudi Arabia |
| Year | 2024 |
| Published | Buildings, 14, 5 |
| Abstract | The construction sector has been subjected to scrutiny due to its propensity for waste generation and the extensive utilisation of finite natural resources. In response to these concerns, a transition towards a novel conceptual framework known as circular economy (CE) has been advocated. Nevertheless, the integration of CE principles within the construction domain encounters numerous impediments to its advancement. Despite scholarly recognition of these challenges, scant research has been devoted to elucidating the intricacies associated with the planning and execution of large-scale projects, particularly within developing nations such as the Kingdom of Saudi Arabia (KSA). This paper intends to fill this gap through the identification and ranking of those barriers encountered when trying to implement CE during construction in KSA. To this end, a comprehensive literature review was completed, alongside a survey conducted amongst 239 participants involved in three mega-projects. A statistical analysis of the data collected was carried out based on the one-way analysis of variance (ANOVA). Following this, a relative importance index (RII) was established to rank 24 barriers categorised as major within the sample. The findings revealed the lack of regulation within the construction sector, the lack of education and training, little awareness and guidance on the subject, and the absence of an incentives policy as primary barriers to adopting CE in KSA. The present study endeavours to enhance the comprehension regarding the principles of circular economy (CE) and the attendant challenges encountered during its implementation. The overarching objective is to provide insights that can inform decision-making processes, thereby facilitating the development of robust mitigation strategies and the adoption of best practices. |
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