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Title: A model for cost-benefit analysis of construction and demolition waste management throughout the waste chain
Authors: Yuan, HP
Shen, LY
Hao, JJL
Lu, WS
Keywords: Construction and demolition waste
Cost-benefit analysis
System dynamics
Waste chain
Waste management
Issue Date: 2011
Publisher: Elsevier
Source: Resources, conservation and recycling, 2011, v. 55, no. 6, p. 604-612 How to cite?
Journal: Resources, conservation and recycling 
Abstract: Economic instrument is indubitably perceived as effective for encouraging or forcing contractors to conduct environmentally friendly construction practices. Previous studies in relation to this topic mainly put emphasis on economic analysis of construction and demolition (C&D) waste management from a static point of view, which failed to consider its dynamics nature by integrating all essential activities throughout the waste chain. This paper is thus intended to highlight the dynamics and interrelationships of C&D waste management practices and analyze the cost-benefit of this process using a system dynamics approach. Data related to concrete and aggregate of a construction project in Shenzhen was collected for the application of the proposed model. The findings reveal that net benefits from conducting C&D waste management will occur, but a higher landfill charge will lead to a higher net benefit, as well as an earlier realization of the net benefit. In addition, the general public under a higher landfill charge will suffer from a higher environmental cost caused by illegal dumping. The simulation results also suggest that current regulation in Shenzhen should be promoted to facilitate a dramatic increase in net benefit from the implementation of C&D waste management. This research is of value in facilitating better understanding on the dynamics of C&D waste management activities throughout the waste chain, as well as providing a tool for simulating the cost-benefit of C&D waste management practices over the project duration.
ISSN: 0921-3449
DOI: 10.1016/j.resconrec.2010.06.004
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