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Plastic waste use as aggregate and binder modifier in open-graded asphalts

机译:塑料废料用作开放级沥青中的骨料和粘结剂改性剂

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摘要

Road pavements are very important infrastructures for the Society, but they can cause serious environmental impacts during construction, operation and rehabilitation phases. Thus, it is essential to develop surface paving solutions that promote not only the durability but also a comfortable and safe use. In fact, this work aims to study the properties of new opengraded mixtures for surface layers produced with plastic wastes. First, HDPE and EVA wastes were used as bitumen modifiers, and then another plastic waste (PEX) replaced part of the aggregates. After studying the modified binders, the open-graded mixtures were designed, andthen they were tested concerning their particle loss, rutting resistance, surface texture and damping effect. It was concluded that both ways of using the plastic wastes can improve the mechanical and functional properties of the open-graded mixtures related to the pavement performance.
机译:道路路面是学会的重要基础设施,但它们可能在施工,运营和修复阶段对环境造成严重影响。因此,必须开发不仅能提高耐用性而且还可以舒适和安全使用的表面铺装解决方案。实际上,这项工作旨在研究由塑料废料产生的表层的新型开放级混合物的性能。首先,将HDPE和EVA废料用作沥青改性剂,然后另一种塑料废料(PEX)代替了部分骨料。在研究改性粘合剂后,设计了开放级混合料,然后对其颗粒损失,耐车辙性,表面质地和阻尼效果进行了测试。结论是,两种使用塑料废料的方式都可以改善与路面性能相关的开放级混合料的机械和功能性能。

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