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首页> 外文期刊>Environmental engineering and management journal >STUDY OF A ROAD TEST TRACK WITH AND WITHOUT CRUMB RUBBER. SOLUTIONS FOR NOISE POLLUTION
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STUDY OF A ROAD TEST TRACK WITH AND WITHOUT CRUMB RUBBER. SOLUTIONS FOR NOISE POLLUTION

机译:含或不含橡胶的道路测试轨道的研究。噪音污染解决方案

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摘要

End-of-life tires are waste materials that pollute landscapes when they are disposed of in tire dumps. However, its life cycle is not finished when they are scrapped. The rubber of end-of-life tires could be used for new purposes as construction material in road rehabilitation. A gap-graded mix characterization was carried out in this work by means of laboratory and field performance tests. The mixture has a high content of crumb rubber (CR) by weight of bitumen. Crumb Rubber was added to the binder by a wet process. Close proximity methodology has been used in in-situ characterization of the acoustic behaviour. Moreover, absorption and dynamic stiffness tests were also conducted to determine the noise generation mechanisms involved in noise. According to the results achieved, a reduction of the noise emitted by the tire/pavement interaction could be accomplished with the construction of roads with mixture with CR added by a wet process. In addition, this would result in a decrease of the amount of waste tires in landfills.
机译:报废轮胎是废弃轮胎,当将它们丢弃在轮胎堆放场中时会污染景观。但是,报废它们的生命周期并没有结束。报废轮胎的橡胶可用于新用途,作为道路修复中的建筑材料。在这项工作中,通过实验室和现场性能测试对间隙分级的混合物进行了表征。以沥青的重量计,该混合物具有高含量的碎胶(CR)。通过湿法将粒状橡胶添加到粘合剂中。在声学行为的原位表征中已经使用了紧密接近方法。此外,还进行了吸收和动态刚度测试,以确定与噪音有关的噪音产生机理。根据获得的结果,通过湿法添加CR混合料的道路可以减少轮胎/人行道相互作用所发出的噪音。另外,这将导致垃圾填埋场中废轮胎的数量减少。

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