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Applying Circular Economy to Construction Industry through Use of Waste Materials: A Review of Supplementary Cementitious Materials, Plastics, and Ceramics
参考中译:利用废旧材料实现建筑行业循环经济--兼论胶凝材料、塑料、陶瓷辅料


          

刊名：Circular Economy and Sustainability
作者：Nodehi Mehrab（Texas State University）
Taghvaee Vahid Mohammad（Tarbiat Modares University）
刊号：715E0166
ISSN：2730-597X
出版年：2022
年卷期：2022, vol.2, no.3
页码：987-1020
总页数：34
分类号：X22
关键词：Construction materials；Supplementary cementitious materials；Recycled plastic；Construction and demolition；Waste materials；Circular economy
参考中译：建筑材料；辅助胶凝材料；再生塑料；拆建；废旧材料；循环经济
语种：eng
文摘：Due to constant growth of waste production, recent strategies in waste management such as circular economy promote the maximum life cycle use of materials. In construction industry where structures tend to last for decades, the use of such recycled materials can have numerous benefits including overall reduction in cost, in use of virgin materials, and in CO2 production as well as providing an opportunity for a tailored concrete with specific properties. Yet, because of the stereotypical and negative image of mechanical properties reduction, as a result of using waste materials, often their vast contribution in sustainability and durability properties are not taken into consideration. In this regard, we propose viewing waste materials as secondary raw materials that in certain regards, can provide a favorably tailored property. In this regard, the following review article first provides a short description of the most commonly used waste materials such as supplementary cementitious materials (fly ash, ground granulated blast furnace slag, silica fume, metakaolin, rice husk ash, municipal solid waste ash, steel slag, copper slag), ceramics from construction and demolition (glass powder, brick and tile ceramic and porcelain), and the vastly available plastic materials (polypropylene, polyethylene terephthalate, polyvinyl chloride, and rubber). Then, by reviewing a selected environmental impact (life cycle assessment), physicochemical, durability, and finally mechanical properties discuss the limitations, future projections of newer waste materials (e.g., agricultural waste) to be used and suggest potential future study in this area.
参考中译：由于废物产量的不断增长，最近的废物管理战略，如循环经济，促进了材料最大限度地利用生命周期。在结构往往使用几十年的建筑行业中，使用这种回收材料可以带来许多好处，包括总体成本降低、使用原始材料、生产二氧化碳以及提供具有特定性能的定制混凝土的机会。然而，由于机械性能降低的刻板印象和负面印象，由于使用废物材料，它们在可持续性和耐久性性能方面的巨大贡献往往没有得到考虑。在这方面，我们建议将废物视为次要原材料，在某些方面可以提供有利的定制属性。在这方面，下面的综述文章首先简要介绍了最常用的废物材料，如辅助胶凝材料(飞灰、磨细高炉渣、硅灰、偏高岭土、稻壳灰、城市固体废物灰、钢渣、铜渣)、建筑和拆卸用陶瓷(玻璃粉、砖和瓷砖)以及大量可用的塑料材料(聚丙烯、聚对苯二甲酸乙二酯、聚氯乙烯和橡胶)。然后，通过审查选定的环境影响(生命周期评估)、物理化学、耐久性，最后是机械性能，讨论限制，对将使用的较新废物(例如，农业废物)的未来预测，并建议这一领域的潜在未来研究。



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