期刊
BUILDING RESEARCH AND INFORMATION
卷 35, 期 6, 页码 602-615出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09613210701431210
关键词
construction and demolition waste; deconstruction; life cycle; material recovery; project planning; recycling
The reduction of waste through the establishment of closed- loop material flows has an important role in creating a more sustainable built environment. Especially in deconstruction projects, participants could take advantage of the application of waste management and recovery strategies while adhering to the principle of ` sustainable construction'. The opportunity for materials recovery depends on the type of deconstruction technique applied at a building's end- of-life. An integrated deconstruction - recovery planning approach for deconstruction projects is developed to include ecological as well as economic benefits. This planning approach is an extension of the multi- mode resourceconstrained project- scheduling problem ( MMRCPSP) from operations research. Although the general MMRCPSP considers time - and resource - resource trade- offs, the proposed extension incorporates energy - time - resource tradeoffs. The energy - time - resource trade- offs reflect the realization of energy savings or costs over the life cycle of a building. Based on a life cycle energy analysis, recovery options can be selected for deconstructed components and materials dependent on the chosen deconstruction techniques ( e. g. demolition, selective deconstruction, manual deconstruction, and deconstruction using various resources).
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