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首页> 外文会议>Architectural engineering conference: Birth and Life of the Integrated Building >The Future of LCAs and EPDs: Incorporating Service-Life in the Environmental Impact Assessments of Green Building Materials
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The Future of LCAs and EPDs: Incorporating Service-Life in the Environmental Impact Assessments of Green Building Materials

机译：LCAS和EPD的未来：在绿色建筑材料环境影响评估中纳入服务生活

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Recent efforts in the development of innovative, "green" building materials and components have primarily focused on reducing the initial embodied energy and carbon of conventional materials (e.g., concrete, plastics). While these efforts are often commended and advocated by sustainable material certification programs and green building rating schema, recent research has shown that reducing the cradle-to-gate impacts of building materials may actually compromise their long-term durability, effectively reducing their ultimate in-service lifetime. This paper highlights research progress on the implementation of a next-generation sustainable materials evaluation framework that reconciles initial reductions in environmental impact (e.g., embodied energy, embodied carbon) and the effects on service life through integrated service-life/lifecycle assessment models for innovative materials. Using "green" concrete as a case-study example, this paper demonstrates that the "sustainability" of a material is spatiotemporally dependent and that end-of-life (functional obsolescence) is an important metric that must be considered in evaluating sustainable material alternatives.
机译：最近在开发创新性“绿色”建筑材料和组件方面的努力主要集中在减少常规材料的初始体现和碳（例如，混凝土，塑料）。虽然这些努力经常受到可持续材料认证计划和绿色建筑评级模式的赞扬和倡导，但最近的研究表明，减少建筑材料的摇篮到栅极冲击可能实际上损害了它们的长期耐用性，有效地减少了他们的最终持久性 - 服务生命周期。本文重点介绍了实施下一代可持续材料评估框架的研究进展，使得通过综合使用寿命/生命周期评估模型对环境影响（例如，体现的能量，体现碳）和对使用寿命的影响进行调整，以便通过综合使用寿命/生命周期评估模型进行初步降低材料。使用“绿色”具体作为案例研究示例，本文表明，材料的“可持续性”是瞬间依赖的，并且寿命结束（功能过时）是在评估可持续材料替代品时必须考虑的重要指标。

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