| Title | Accelerating the Circular Economy Transition: A Construction Value Chain-Structured Portfolio of Strategies and Implementation Insights |
|---|---|
| ID_Doc | 5543 |
| Authors | Eissa, R; El-adaway, IH |
| Title | Accelerating the Circular Economy Transition: A Construction Value Chain-Structured Portfolio of Strategies and Implementation Insights |
| Year | 2024 |
| Published | Journal Of Construction Engineering And Management, 150, 8 |
| Abstract | Despite the increasing recognition of the potential of Circular Economy (CE) strategies, their effective application to decarbonize the construction value chain faces multiple challenges. Ambiguity surrounding CE, stemming from a lack of clarity on actionable strategies, is a common concern. Existing studies lack a holistic approach for systematically integrating CE principles throughout the construction value chain, resulting in a scarcity of information on how to practically adopt CE within projects. This research aims to accelerate CE adoption by creating a value chain-structured portfolio of CE strategies and analyzing the implementation of such strategies in actual projects. To this end, a portfolio of CE strategies was compiled in a value chain-based-structure, which was evaluated against 71 US-based projects of exemplary sustainability criteria to scrutinize their successful implementation. Additionally, the study examined the interconnections and network dynamics among these strategies through association rule mining, network, and statistical analysis techniques. Results revealed a pronounced focus on strategies within the design, construction, and end-of-life value chain phases, with significant gaps existing in areas related to project financing, planning, logistics, property market, and operations. "Requiring sustainability certifications, standards, or labels" emerged as the most pivotal strategy in terms of frequency and number of associations, highlighting owners' significant role in CE transition. This study contributes to the body of knowledge by providing practical guidance and insights for industry practitioners in terms of actionable CE strategies and their state of implementation, ultimately fostering a more sustainably built environment. |
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