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Use of rubber crumbs as drainage layer in experimental green roofs

机译：在实验性绿色屋顶中使用橡胶屑作为排水层

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摘要

Green roofs have become a sustainable construction building system that offers interesting environmental advantages over traditional roofing solutions. However green roofs design is still based on conventional materials. This article begins a research which considers both the study of the functional benefits of green roofs but also the goodness of their own construction. Specifically in this paper the possibility of using rubber crumbs as drainage layer in green roofs instead of the porous stone materials currently used in some commercial solutions (such as expanded clay, pumice, natural puzolana, etc) is suggested. This solution would reduce the consumption of these natural materials, which also require large amounts of energy in their transformation process. Moreover it would provide a solution to the problem of waste tires. Since the purpose of the drainage layer is the optimum balance between air and water in the green roof system, first the ability for draining of rubber crumbs was studied and was compared with that offered by stone materials. The new solution using rubber crumbs is also studied, with experimental trays, to test if it would keep the same insulation properties that the green roof with stone materials. Early results obtained in the experimental trays show that rubber crumbs are a good substitute for stone materials used as drainage layer.
机译：绿色屋顶已经成为一种可持续的建筑体系，与传统的屋顶解决方案相比，它提供了有趣的环境优势。但是，绿色屋顶的设计仍基于常规材料。本文开始了一项研究，该研究既考虑了对绿色屋顶的功能益处的研究，也考虑了其自身构造的优点。特别是在本文中，建议在绿色屋顶中使用橡胶屑作为排水层来代替目前在某些商业解决方案中使用的多孔石材（如膨胀粘土，浮石，天然puzolana等）的可能性。该解决方案将减少这些天然材料的消耗，这些天然材料在其转化过程中也需要大量的能量。而且，它将为废轮胎的问题提供解决方案。由于排水层的目的是在绿色屋顶系统中实现空气和水之间的最佳平衡，因此首先研究了橡胶屑的排水能力，并将其与石材的排水能力进行了比较。还对带有橡胶屑的新解决方案和实验托盘进行了研究，以测试其是否能保持与用石料制成的绿色屋顶相同的绝缘性能。在实验托盘上获得的早期结果表明，橡胶碎屑可以很好地替代用作排水层的石材。

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  • 来源
    《Building and Environment》 |2012年第2期|p.101-106|共6页
  • 作者

    A. Vila; G. Perez; C Sole; A.I. Fernandez; L.F. Cabeza;

  • 作者单位

    CREA Innovacio Concurrent, Pere de Cabrera s, Universitat de Lleida, 25001 Lleida, Spain;

    CREA Innovacio Concurrent, Pere de Cabrera s, Universitat de Lleida, 25001 Lleida, Spain;

    CREA Innovacio Concurrent, Pere de Cabrera s, Universitat de Lleida, 25001 Lleida, Spain;

    Department of Materials Science & Metallurgical Engineering, Universitat de Barcelona, Marti i Franques 1, 28028 Barcelona, Spain;

    CREA Innovacio Concurrent, Pere de Cabrera s, Universitat de Lleida, 25001 Lleida, Spain;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    sustainable construction; green roof; drainage layer; rubber crumbs; plant species;

    机译：可持续建设;绿色屋顶排水层橡胶屑植物品种;

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