Construction and demolition waste: Economic and environmental impact analysis
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Construction and demolition building materials at the end of their original life-cycle are an increasingly important feedstock for the preparation of new building products. The re-use, recycling and recovery of building and demolition residue is essential for an industry striving for improved levels of efficiency. Waste-management must be examined in terms of environmental impact assessment, and economic cost, as well as social safeguard legislative considerations. Stakeholders in the construction industry require guidance to determine practical, yet environmentally conscience options to manage building and demolition arising. Product salvage, low-level recycling as bulk fill, high-level recycling, landfill and, where appropriate, incineration for energy recovery, represent general disposal routes. The work outlined here provides those charged with disposal responsibilities a means to cross-reference waste-management alternatives by cost, and environmental impact in easy to use units. An analysis of the waste-management options for one constituent of the construction demolition waste stream (plasterbaord) demonstrates the methodology developed to guide industry in its waste management decision making.
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Ge, X.; Livesey, P.; Wang, Jun; Huang, S.; He, X.; Zhang, C. (2017)The construction industry is responsible for 50% of the solid waste generated worldwide. Governments around the world formulate legislation and regulations concerning recycling and re-using building materials, aiming to ...
Estimating the environmental costs and benefits of demolition waste using life cycle assessment and willingness-to-pay: A case study in ShenzhenWang, T.; Wang, J.; Wu, Peng; Wang, J.; He, Q.; Wang, X. (2018)© 2017 Elsevier Ltd Construction and demolition waste is one of the largest contributors to solid waste generation. Recycling is considered an effective strategy to manage construction and demolition waste; however, the ...
Siripun, Komsun; Jitsangiam, Peerapong; Nikraz, Hamid; Leek, Colin (2012)Crushed concrete waste is a by-product from building demolition and constitutes a principal component of municipal solid waste consisting of concrete, sand, brick, rock, metals and timber. Over 50% of this waste is commonly ...