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首页> 外文期刊>International Journal of Environment and Pollution >Innovative fracture-resistant construction material from C&D waste aggregate, fly ash and recycled plastics
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Innovative fracture-resistant construction material from C&D waste aggregate, fly ash and recycled plastics

机译：由拆建废料，粉煤灰和再生塑料制成的创新抗断裂建筑材料

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A laboratory investigation was conducted to evaluate the fracture behaviour of an alternative pavement foundation material containing cement stabilised reclaimed crushed aggregate, Class C fly ash and waste-plastic strip (high density polyethylene or HDPE) reinforcement. The primary objective of using strip reinforcement was to improve the tensile strength, crack resistance and toughness characteristics of this alternative pavement foundation material, which is composed of more than 90% by weight of waste products. Laboratory characterisation included unconfined compression, flexural and specially instrumented splitting tension tests for mix-optimisation studies based on strength and toughness and cyclic flexural tests to evaluate the resistance of the selected mix against fatigue fracture. It was found that the innovative waste composite containing recycled HDPE strips could be used as a fracture-resistant material in civil engineering construction. Concurrently, this may help address the overwhelming solid waste disposal and management issues in the US and Caribbean regions.
机译：进行了实验室研究，以评估包含水泥稳定的再生碎石料，C级粉煤灰和废塑料条（高密度聚乙烯或HDPE）增强材料的替代路面基础材料的断裂性能。使用条状增强材料的主要目的是提高这种替代路面基础材料的拉伸强度，抗裂性和韧性，该基础材料由90％重量以上的废品组成。实验室的特征包括无限制压缩，弯曲以及专门用于强度和韧性的混合物优化研究的分体拉伸试验，以及用于评估所选混合物抗疲劳断裂性能的循环弯曲试验。已发现，含有可回收的HDPE胶条的创新废物复合材料可用作土木工程施工中的抗断裂材料。同时，这可能有助于解决美国和加勒比海地区日益严重的固体废物处理和管理问题。

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