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Integrated Benefits of Sustainable Utilization of Construction and Demolition Waste in a Pressure-State-Response Framework

Author

Listed:
  • Han Zhang

    (School of Civil Engineering, Henan Polytechnic University, Jiaozuo 454000, China)

  • Shiying Shi

    (School of Civil Engineering, Henan Polytechnic University, Jiaozuo 454000, China)

  • Fangfang Zhao

    (School of Civil Engineering, Henan Polytechnic University, Jiaozuo 454000, China)

  • Mingming Hu

    (Institute of Environmental Sciences, University of Leiden, 2300RA Leiden, The Netherlands)

  • Xiao Fu

    (People’s Armed Forces College, Guizhou University, Guiyang 550025, China)

Abstract

This study presents the first application of the pressure-state-response (PSR) model in the comprehensive assessment of construction and demolition waste (CDW) recycling benefits. Unlike traditional methods, the PSR model provides a multi-dimensional analysis that integrates economic, environmental, and social factors, offering a more holistic approach to evaluating the impact of CDW recycling strategies. This model enables stakeholders to better understand the pressures, states, and responses involved in CDW management, providing actionable insights to optimize recycling efforts and support sustainable urban development. Using the pressure-state-response (PSR) logical framework of sustainable economics, this paper systematically analyzed the comprehensive benefit mechanism of the recycling of construction and demolition waste (CDW), and designed a comprehensive benefit evaluation model for CDW recycling. At the same time, taking Chongqing as an example, the management status of construction and demolition waste, the supply and demand matching of sustainable recycling products, and the impact of the input and output of CDW management were analyzed. The results were as follows: (1) The recovery rate of urban manure fluctuated between 0.13 and 0.17, mainly in temporary landfill. (2) Based on the latest market demand data of CDW recycled products, the supply–demand ratio of recycled products fluctuated between 0.11 and 0.21. This change in the supply–demand ratio reflects improvements in recycling technologies, such as the introduction of C2CA technology, which has greatly increased the supply of high-quality recycled materials. In addition, government policies encouraging the use of recycled products in public projects have contributed to this shift, further aligning supply with market demand. (3) The benefit–cost ratio of CDW management reflects new recycling technologies and the improved efficiency of CDW management. The benefit–cost ratio, which currently fluctuates between 0.32 and 0.39, more accurately reflects the current state of CDW management, which is increasingly adopting advanced technologies, resulting in increased efficiency and reduced costs. Based on this, this paper discusses the supply–demand relationship and benefit–cost ratio in CDW management from supply-side and demand-side perspectives, and puts forward corresponding countermeasures and suggestions. The research results provide a clear reference for improving the efficiency of building demolition waste resource utilization, especially in optimizing the balance of market supply and demand, and improving the economic benefits of recycled products. By analyzing the balance between the supply and demand ratio and the benefit–cost ratio, this study helps inform policy makers, businesses, and investors, to promote the sustainable development of CDW recycling projects to maximize resource efficiency, while reducing environmental pressures. These results not only provide practical guidelines for the implementation of CDW recycling projects, but also lay a foundation for future policy formulation and the setting of industry standards.

Suggested Citation

  • Han Zhang & Shiying Shi & Fangfang Zhao & Mingming Hu & Xiao Fu, 2024. "Integrated Benefits of Sustainable Utilization of Construction and Demolition Waste in a Pressure-State-Response Framework," Sustainability, MDPI, vol. 16(19), pages 1-24, September.
  • Handle: RePEc:gam:jsusta:v:16:y:2024:i:19:p:8459-:d:1488349
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    References listed on IDEAS

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    1. Herbert Sinduja Joseph & Thamilselvi Pachiappan & Siva Avudaiappan & Nelson Maureira-Carsalade & Ángel Roco-Videla & Pablo Guindos & Pablo F. Parra, 2023. "A Comprehensive Review on Recycling of Construction Demolition Waste in Concrete," Sustainability, MDPI, vol. 15(6), pages 1-27, March.
    2. Yingzun He & Monika Kasina, 2023. "The Sequential Extraction of Municipal Solid Waste Incineration Bottom Ash: Heavy Metals Mobility and Sustainable Application of Ashes," Sustainability, MDPI, vol. 15(19), pages 1-15, October.
    3. Ming Qu & Yu Tian & Bingxi Liu & Dawei Xu, 2023. "Ecological Risk Assessment and Impact Factor Analysis of Ecological Spatial Patterns in Coastal Counties: Taking Dalian Pulandian District as an Example," Sustainability, MDPI, vol. 15(15), pages 1-18, August.
    4. Li Wang & Yanhong Lv & Siyu Huang & Yu Liu & Xinrong Li, 2023. "The Evolution of Research on C&D Waste and Sustainable Development of Resources: A Bibliometric Study," Sustainability, MDPI, vol. 15(12), pages 1-20, June.
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