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An empirical study of perceptions towards construction and demolition waste recycling and reuse in China

机译:对中国建筑和拆迁废物回收和再利用的看法的实证研究

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摘要

This study was designed to investigate the recent movement and current stage of China’s construction and demolition (C&D) waste recycling and reuse. Specifically, the research aimed to provide the big picture of recent C&D waste diversion practice in China, as well as to offer insights from Chinese field practitioners’ perceptions towards benefits, challenges, and recommendations of C&D recycling and reuse. This research was conducted based on a review of existing practice and a holistic approach by collecting feedback of professionals from multiple disciplines through a questionnaire-based survey. Totally 77 valid responses were received from 592 questionnaires sent. Both quantitative data and qualitative information implied that China was still at the early stage of recycling C&D wastes. Lack of client demands was identified as one of the main difficulties in C&D waste diversion. The study revealed that engineers and consultants had a more positive perception on promoting industrial training in C&D waste recycling, while construction management professionals held more conservative opinion on it. It was also found that gaining experience in C&D waste recycling and reuse would offer professionals more positive perception on the quality of products containing recycled contents. It was further implied that although governmental supervision had a high impact on China’s current C&D waste management practice, the economic viability should eventually dominate the C&D waste diversion.
机译:这项研究旨在调查中国拆建废料回收和再利用的最新动向和现阶段。具体而言,该研究旨在概述中国最近的C&D废物转移实践,并提供来自中国现场从业人员对C&D回收和再利用的收益,挑战和建议的看法的见解。这项研究基于对现有实践的回顾和整体方法,通过基于问卷的调查收集了来自多个学科的专业人员的反馈。从592份问卷中共收到77份有效回复。定量数据和定性信息都暗示中国仍处于回收C&D废物的初期。客户需求的缺乏被认为是拆建废料的主要困难之一。研究表明,工程师和顾问对促进拆建废物回收的工业培训抱有更积极的看法,而建筑管理专业人士对此持较为保守的看法。还发现,获得拆建废料回收和再利用方面的经验将使专业人员对含有回收成分的产品质量有更积极的认识。进一步暗示,尽管政府监督对中国目前的C&D废物管理做法有很大影响,但经济可行性最终将主导C&D废物转移。

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