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An overview of construction and demolition waste management in Canada: a lifecycle analysis approach to sustainability

机译：加拿大建筑和拆迁废物管理概述：可持续性的生命周期分析方法

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摘要

The construction and demolition (C&D) waste generated by the Canadian construction industry accounts for 27 % of the total municipal solid waste disposed in landfills. However, it is evident that over 75 % of what the construction industry generates as waste has a residual value, and therefore could be recycled, salvaged and/or reused. The need for comprehensive and integrated waste management mechanisms, technologies, rating systems and policies is widely recognized. Owing to increasing C&D waste volumes, shortage of landfills and long-term adverse environmental, economic and social impacts of the disposed C&D waste, sustainable C&D waste management is becoming increasingly essential to protect public health and natural ecosystems. This paper proposes a conceptual C&D waste management framework to maximise the 3R (reduce, reuse and recycle) and minimise the disposal of construction waste by implementing sustainable and comprehensive strategy throughout the lifecycle of construction projects. In addition, a life cycle based C&D waste sustainability index is developed. This approach can be used to make decisions related to selection of material, sorting, recycle/reuse and treatment or disposal options for C&D waste.
机译：加拿大建筑业产生的建筑拆迁废物占填埋场处置的城市固体废物总量的27％。但是，很明显，建筑业产生的废物中有75％以上具有剩余价值，因此可以回收，回收和/或再利用。人们普遍认识到需要综合和综合的废物管理机制，技术，评级系统和政策。由于C＆D废物量增加，垃圾填埋场短缺以及所处置C＆D废物的长期不利环境，经济和社会影响，可持续的C＆D废物管理对于保护公共卫生和自然生态系统变得越来越重要。本文提出了一个概念性的C＆D废物管理框架，通过在建筑项目的整个生命周期中实施可持续和全面的策略，最大化3R（减少，再利用和回收）并最大程度地减少建筑废物的处置。此外，还建立了基于生命周期的拆建废物可持续性指数。此方法可用于制定与C＆D废物的材料选择，分类，回收/再利用以及处理或处置选项有关的决策。

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  • 来源
    《Clean technologies and environmental policy》 |2013年第1期|81-91|共11页
  • 作者

    Muluken Yeheyis; Kasun Hewage; M. Shahria Alam; Cigdem Eskicioglu; Rehan Sadiq;

  • 作者单位

    School of Engineering, Okanagan Campus, The University of British Columbia, 1137 Alumni Avenue, Kelowna, BC V1V 1V7, Canada;

    School of Engineering, Okanagan Campus, The University of British Columbia, 1137 Alumni Avenue, Kelowna, BC V1V 1V7, Canada;

    School of Engineering, Okanagan Campus, The University of British Columbia, 1137 Alumni Avenue, Kelowna, BC V1V 1V7, Canada;

    School of Engineering, Okanagan Campus, The University of British Columbia, 1137 Alumni Avenue, Kelowna, BC V1V 1V7, Canada;

    School of Engineering, Okanagan Campus, The University of British Columbia, 1137 Alumni Avenue, Kelowna, BC V1V 1V7, Canada;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    construction and demolition waste; waste management; sustainability; lifecycle analysis (LCA);

    机译：建筑和拆除废物;废物管理;可持续性;生命周期分析（LCA）;

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