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Evaluating the sustainability of construction with recycled materials.

机译：评估利用再生材料进行建筑的可持续性。

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摘要

Lack of a quantitative methodology for assessing the benefits that can be achieved through application of sustainability strategies is a barrier to the promotion of sustainable construction. For this reason, a quantitative methodology was developed that allows rating of the relative benefits of alternative construction designs, in which sustainability strategies are employed, compared to conventional designs. The methodology incorporates pairing of environmental and economic life-cycle analyses in a rating system: the Building Environmentally and Economically Sustainable Transportation Infrastructure-Highways(TM) (BE2ST-in-Highways(TM)). A pairing method was used to quantify the benefits of using recycled materials in highway pavements by conducting life-cycle assessment and life-cycle cost analysis on pavements constructed with conventional and recycled materials. Results of the analysis indicate that using recycled materials primarily in the base and subbase layers can result in reductions in global warming potential, energy and water consumption, and hazardous waste generation while also extending the service life of the pavement. In addition, using recycled materials can result in life-cycle cost savings. The BE2ST-in-Highways(TM) system is grounded in quantitative metrics so that a transparent linkage exists between the project rating and the sustainable practices employed in design and construction. The system requires a method of estimating the number of rehabilitations needed during a given analysis period using the international roughness index (IRI). The application of the system in the pilot project evaluations indicates that replacement of conventional natural materials with recycled materials in highway construction results in lower consumption of energy and water and CO 2 emissions, thus resulting in higher sustainability scores. The superior material properties of some recycled materials reduce material quantities and also extend the service life of the highway structure, a decisive factor affecting the sustainability rating. The rating system proposed can be used to promote reuse and recycling of materials and assess the benefits of sustainable construction practices in a quantifiable manner. This is expected to promote more sustainable construction and sustainable growth.
机译：缺乏用于评估通过应用可持续发展战略可实现的收益的定量方法论，这是促进可持续建筑的障碍。因此，开发了一种定量方法，该方法可以对与传统设计相比采用可持续性策略的替代建筑设计的相对利益进行评级。该方法在评估系统中结合了环境和经济生命周期分析对：建立环境和经济可持续的交通运输基础设施高速公路（BE2ST-in-Highways（TM））。通过对使用传统材料和再生材料建造的路面进行生命周期评估和生命周期成本分析，采用配对方法来量化在公路路面中使用再生材料的好处。分析结果表明，主要在基础层和次基础层中使用再生材料可以减少全球变暖的可能性，减少能源和水的消耗以及减少有害废物的产生，同时还可以延长人行道的使用寿命。此外，使用再生材料可以节省生命周期成本。 BE2ST-in-Highways（TM）系统以定量指标为基础，因此项目评级与设计和施工中采用的可持续实践之间存在透明的联系。该系统需要一种使用国际粗糙度指数（IRI）估算给定分析期间所需的康复次数的方法。该系统在试点项目评估中的应用表明，在公路建设中用再生材料替代传统的天然材料可降低能源，水和CO 2排放量，从而提高可持续性评分。一些再生材料的优异材料性能减少了材料数量，还延长了高速公路结构的使用寿命，这是影响可持续性等级的决定性因素。提议的评级系统可用于促进材料的再利用和回收，并以可量化的方式评估可持续建筑实践的收益。预计这将促进更可持续的建筑和可持续增长。

著录项

  • 作者

    Lee, Jin Cheol.;

  • 作者单位

    The University of Wisconsin - Madison.;

  • 授予单位 The University of Wisconsin - Madison.;
  • 学科 Engineering Civil.;Sustainability.
  • 学位 Ph.D.
  • 年度 2010
  • 页码 210 p.
  • 总页数 210
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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