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Circular Economy for Construction and Demolition Waste in the Santiago Metropolitan Region of Chile: A Delphi Analysis

Author

Listed:
  • Karina D. Véliz

    (Escuela de Ingeniería Civil Industrial, Universidad Diego Portales, Avda. Ejército 441, Santiago 8370191, Chile)

  • Carolina Busco

    (Escuela de Ingeniería Civil Industrial, Universidad Diego Portales, Avda. Ejército 441, Santiago 8370191, Chile)

  • Jeffrey P. Walters

    (Civil Engineering, University of Washington Tacoma, 1900 Commerce St, Tacoma, WA 98402, USA)

  • Catalina Esparza

    (Escuela de Ingeniería Civil Industrial, Universidad Diego Portales, Avda. Ejército 441, Santiago 8370191, Chile)

Abstract

This study investigates the design and implementation of circular economy (CE) strategies for managing construction and demolition waste (CDW) in the Santiago Metropolitan Region of Chile (SMRC). The research aimed to identify key factors influencing the current and future adoption of CE practices for CDW management related to socio-environmental, technical, financial, and strategic-regulatory aspects, employing the Delphi method to gather expert insights. Findings reveal that the lack of knowledge about sustainable practices and the absence of regulatory frameworks for CDW disposal are the most critical barriers to effective CE implementation. The study recommends enhancing public awareness and environmental education through government and school programs, as well as enacting stricter legislation to combat illegal disposal and encourage sustainable practices and valorization of secondary raw materials within companies. Additionally, it emphasizes the importance of designing projects that prioritize waste avoidance and the development of infrastructure, technology, and processes for efficient material separation and recycling. The research also highlights potential challenges such as stagnation in the adoption of sustainable practices, skilled labor shortages, and limited research and innovation. It underscores the need for a comprehensive approach to CDW management that integrates socio-environmental, technical, financial, and regulatory dimensions to promote sustainability at both regional and global levels.

Suggested Citation

  • Karina D. Véliz & Carolina Busco & Jeffrey P. Walters & Catalina Esparza, 2025. "Circular Economy for Construction and Demolition Waste in the Santiago Metropolitan Region of Chile: A Delphi Analysis," Sustainability, MDPI, vol. 17(3), pages 1-15, January.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:3:p:1057-:d:1578674
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    References listed on IDEAS

    as
    1. Jianguo Chen & Yangyue Su & Hongyun Si & Jindao Chen, 2018. "Managerial Areas of Construction and Demolition Waste: A Scientometric Review," IJERPH, MDPI, vol. 15(11), pages 1-20, October.
    2. Peiyang Su & Ying Peng & Qidan Hu & Ruwen Tan, 2020. "Incentive Mechanism and Subsidy Design for Construction and Demolition Waste Recycling under Information Asymmetry with Reciprocal Behaviors," IJERPH, MDPI, vol. 17(12), pages 1-26, June.
    3. Carmen Díaz-López & Alessandra Bonoli & María Martín-Morales & Montserrat Zamorano, 2021. "Analysis of the Scientific Evolution of the Circular Economy Applied to Construction and Demolition Waste," Sustainability, MDPI, vol. 13(16), pages 1-22, August.
    4. Norman Dalkey & Olaf Helmer, 1963. "An Experimental Application of the DELPHI Method to the Use of Experts," Management Science, INFORMS, vol. 9(3), pages 458-467, April.
    5. Brown, Charlotte & Milke, Mark, 2016. "Recycling disaster waste: Feasibility, method and effectiveness," Resources, Conservation & Recycling, Elsevier, vol. 106(C), pages 21-32.
    Full references (including those not matched with items on IDEAS)

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