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Design for Deconstruction (DfD): Critical success factors for diverting end-of-life waste from landfills

机译：解构设计（DfD）：从垃圾填埋场转移报废废物的关键成功因素

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摘要

The aim of this paper is to identify Critical Success Factors (CSF) needed for effective material recovery through Design for Deconstruction (DfD). The research approach employed in this paper is based on a sequential exploratory mixed method strategy. After a thorough review of literature and conducting four Focus Group Discussion (FGDs), 43 DfD factors were identified and put together in a questionnaire survey. Data analyses include Cronbach's alpha reliability analysis, mean testing using significance index, and exploratory factor analysis. The result of the factor analysis reveals that an underlying factor structure of five DfD factors groups that include 'stringent legislation and policy', 'deconstruction design process and competencies', 'design for material recovery', 'design for material reuse', and 'design for building flexibility'. These groups of DfD factor groups show that the requirements for DfD goes beyond technical competencies and that non-technical factors such as stringent legislation and policy and design process and competency for deconstruction are key in designing deconstructable buildings. Paying attention to the factors identified in all of these categories will help to tackle impediments that could hinder the effectiveness of DfD. The results of this study would help design and project managers to understand areas of possible improvement in employing DfD as a strategy for diverting waste from landfills.
机译：本文旨在确定通过解构设计（DfD）有效回收材料所需的关键成功因素（CSF）。本文采用的研究方法基于顺序探索混合方法策略。在对文献进行全面审查并进行了四个焦点小组讨论（FGD）之后，确定了43个DfD因素并将其汇总到问卷调查中。数据分析包括Cronbach的alpha可靠性分析，使用显着性指数的均值测试和探索性因素分析。因子分析的结果表明，五个DfD因子组的潜在因子结构包括“严格的立法和政策”，“解构设计过程和能力”，“物料回收设计”，“物料再利用设计”和“设计以提高灵活性”。这些DfD因子组表明，DfD的需求超出了技术能力，非技术因素（例如严格的立法和政策，设计流程以及解构能力）是设计可解构建筑物的关键。注意所有这些类别中确定的因素将有助于解决可能阻碍DfD有效性的障碍。这项研究的结果将有助于设计和项目经理了解将DfD用作从垃圾填埋场转移废物的策略时可能需要改进的领域。

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