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首页> 外文期刊>Journal of Solid Waste Technology and Management >UTILISATION OF WASTE PLASTIC BAGS IN BITUMINOUS MIX FOR IMPROVED PERFORMANCE OF ROADS
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UTILISATION OF WASTE PLASTIC BAGS IN BITUMINOUS MIX FOR IMPROVED PERFORMANCE OF ROADS

机译：利用两用混合废塑料袋改善道路性能

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摘要

The quantity and type of waste being generated is growing at enormous rate. The plastic wastes produced particularly in form of bags being non-degradable and with limited recycling options poses disposal problem. The probable solution as mentioned lies in effective recycling of the waste which in fact is restricted by economic and operational constraints hence demanding a sustainable solution for safe and ultimate disposal of waste plastic bags. An academic research aimed at probable use of waste plastic bags in pavement structure so as to come up with an ultimate safe disposal together with improvement in the performance of pavement through better mix design was undertaken. An aggregate material from waste plastic bags referred to as Recycled Plastic Waste Aggregate (RPWA) is developed which would partially replace the conventional material to improve desired mechanical characteristics for a particular road mix. Preliminary investigations have indicated that use of RPWA (1.2 - 3mm in size) in the surface and base mix design, when utilised up to 2.5% by weight substitution has shown improved stability and flow (Marshall test) having unit weight and bulk specific gravity falling within the acceptable limits for light and heavy traffic loads. It is envisaged that use of RPWA in the conventional asphalt hot mix design is likely to improve the pavement performance with a sustainable solution for the disposal of plastic waste.
机译：产生的废物的数量和类型正以惊人的速度增长。特别是以袋的形式产生的塑料废物是不可降解的并且具有有限的回收选择，这带来了处置问题。所提到的可能的解决方案在于废物的有效回收，实际上，废物的回收受到经济和运营限制，因此需要一种可持续的解决方案，以安全，最终处置废弃的塑料袋。进行了一项学术研究，旨在可能在路面结构中使用废塑料袋，以便通过更好的配合比设计来最终安全处置并改善路面性能。已经开发出了来自废塑料袋的骨料，称为再生塑料废骨料（RPWA），它将部分替代常规材料，以改善特定道路混合料的所需机械特性。初步研究表明，在表面和基础混合物设计中使用RPWA（尺寸为1.2-3mm）时，当使用高达2.5％（重量）的替代品时，表明单位重量和体积比重下降的稳定性和流动性（马歇尔试验）得到改善。在轻载和重载的可接受范围内。可以设想，在常规沥青热拌设计中使用RPWA可能会以一种可持续的塑料废物处理解决方案来改善路面性能。

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