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Residential Life Cycle Assessment Modeling of Green Buildings and Building Products

机译:绿色建筑和建筑产品的住宅生命周期评估建模

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摘要

This research created a residential life cycle assessment (LCA) framework by comparing traditional wood home and a home built of a new building product called insulating concrete forms (ICF). This framework was utilized in analyzing the green building product labeling system and recommendations provided for improving the use of LCA in labeling of products. The framework case study results were evaluated for their potential for energy savings in the US. The national implications of using emerging and existing energy saving building products were quantitatively examined. This study quantitatively measured ICFs' performance through a comparative LCA of wall sections comprised of ICF and traditional wood-frame. The life cycle stages included raw materials extraction and manufacturing, construction, use and end of life for a 2,450 square foot house in Pittsburgh, Pennsylvania. Results showed that although building products such as ICFs are energy intensive to produce and thus have higher environmental impacts in the raw materials extraction and manufacturing phase, the use phase dominated in the life cycle. A residential LCA framework was created as part of this study and was utilized in evaluating the green product labeling system for building products.This study compared generic and green-labeled carpets, paints and linoleum flooring using the Building for Environmental and Economic Sustainability (BEES) LCA database. The results from these comparisons were not intuitive and were contradictory in several impact categories with respect to the greenness of the product. Life cycle thinking, in theory, has the potential to improve the environmental impacts of labeling systems but databases currently are lacking in detailed information about products or sometimes provide conflicting information.The residential LCA case study showed the energy saving potential of an ICF home. The energy savings achieved when building products such as ICFs, windows and doors were used in projected new residential constructions was evaluated. A combination of strategies involving the use of ICFs, windows and doors were studied and the results compared with targets set by the McKinsey and Company and Architecture 2030.When ICFs, windows and doors were used as energy saving building products, the results showed that they might not be saving as much energy as expected and implementing each energy saving strategy on its own was not a solution to achieve the energy goals of the McKinsey report and Architecture 2030. A combination of strategies was the key to reaching end points set by the standards.
机译:这项研究通过比较传统的木制房屋和由新型建筑产品(称为绝缘混凝土模板(ICF))建造的房屋,创建了住宅生命周期评估(LCA)框架。该框架用于分析绿色建筑产品标签系统,并提供了一些建议,以改善产品标签中LCA的使用。评估了框架案例研究结果在美国的节能潜力。定量研究了使用新兴和现有的节能建筑产品对国家的影响。这项研究通过比较由ICF和传统木结构组成的墙体的LCA定量测量了ICF的性能。生命周期阶段包括宾夕法尼亚州匹兹堡2450平方英尺房屋的原材料提取和制造,建造,使用和寿命终止。结果表明,尽管建筑产品(如ICF)的生产需要消耗大量能源,因此在原材料提取和制造阶段对环境的影响更大,但使用阶段在生命周期中占主导地位。本研究创建了一个居民LCA框架,该框架被用于评估建筑产品的绿色产品标签系统。本研究使用环境和经济可持续性建筑(BEES)比较了通用和绿色标签的地毯,油漆和油毡地板。 LCA数据库。这些比较的结果并不直观,并且在产品绿色方面的几个影响类别中是矛盾的。从理论上讲,生命周期思维有可能改善标签系统对环境的影响,但目前数据库缺乏有关产品的详细信息或有时会提供相互矛盾的信息。住宅LCA案例研究显示了ICF住宅的节能潜力。评估了在预计的新住宅建筑中使用ICF,门窗等建筑产品时实现的节能效果。研究了涉及使用ICF,门窗的策略的组合,并将结果与​​麦肯锡公司和《建筑》杂志2030年设定的目标进行了比较。当将ICF,门窗用作节能建筑产品时,结果表明它们可能未达到预期的节能量,并且单独实施每个节能战略并不是实现麦肯锡报告和《 2030年建筑》节能目标的解决方案。战略的结合是达到标准设定的终点的关键。

著录项

  • 作者

    Rajagopalan Neethi;

  • 作者单位
  • 年度 2011
  • 总页数
  • 原文格式 PDF
  • 正文语种 en
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