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Construction and demolition waste generation rates for high-rise buildings in Malaysia

机译：马来西亚高层建筑的建筑和拆除废物产生率

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摘要

Construction and demolition waste continues to sharply increase in step with the economic growth of less developed countries. Though the construction industry is large, it is composed of small firms with individual waste management practices, often leading to the deleterious environmental outcomes. Quantifying construction and demolition waste generation allows policy makers and stakeholders to understand the true internal and external costs of construction, providing a necessary foundation for waste management planning that may overcome deleterious environmental outcomes and may be both economically and environmentally optimal. This study offers a theoretical method for estimating the construction and demolition project waste generation rate by utilising available data, including waste disposal truck size and number, and waste volume and composition. This method is proposed as a less burdensome and more broadly applicable alternative, in contrast to waste estimation by on-site hand sorting and weighing. The developed method is applied to 11 projects across Malaysia as the case study. This study quantifies waste generation rate and illustrates the construction method in influencing the waste generation rate, estimating that the conventional construction method has a waste generation rate of 9.88t 100m~(-2), the mixed-construction method has a waste generation rate of 3.29t 100m~(-2), and demolition projects have a waste generation rate of 104.28t 100 m~(-2).
机译：随着欠发达国家的经济增长，建筑和拆除废物继续急剧增加。尽管建筑业规模很大，但它由具有个别废物管理实践的小公司组成，通常会导致有害的环境后果。量化建筑和拆除废物的产生，可使决策者和利益相关者了解建筑的真实内部和外部成本，为废物管理计划提供必要的基础，以克服有害的环境后果，并在经济和环境上达到最佳。这项研究提供了一种理论方法，可以利用可用数据来估算建筑和拆除项目的废物产生率，这些数据包括废物处理卡车的尺寸和数量，废物的数量和成分。与通过现场人工分拣和称重进行废物估算相比，该方法被认为是负担较小，适用范围更广的替代方案。案例研究将开发的方法应用于马来西亚的11个项目。这项研究量化了废物产生率，并说明了影响废物产生率的施工方法，估计常规施工方法产生废物的速率为9.88t 100m〜（-2），混合施工方法产生废物的速率为。 3.29t 100m〜（-2），拆迁工程产生的废渣率为104.28t 100 m〜（-2）。

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