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首页> 外文期刊>Romanian Journal of Transport Infrastructure >Preliminary Studies to Use Textile Fibers Obtained from Recycled Tires to Reinforce Asphalt Mixtures
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Preliminary Studies to Use Textile Fibers Obtained from Recycled Tires to Reinforce Asphalt Mixtures

机译：使用回收轮胎中的纺织纤维增强沥青混合料的初步研究

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摘要

The use of crumb rubber in the modification of asphalt has occurred because of the problems related to disposal of scrap tires. However, the use of scrap tires in asphalt pavements, known as asphalt rubber pavements, can minimize environmental impacts and maximize conservation of natural resources. The textile fibers from recycled tires are typically disposed of in landfills or used in energetic valorization, but similar to other fibers, they can be used as a valuable resource in the reinforcement of engineering materials such as asphalt mixtures. Thus, this work aims at studying the use of textile fibers recycled from ground tires in the reinforcement of conventional asphalt mixtures. The application of textile fibers from ground tires was evaluated through laboratory tests on specimens extracted from slabs produced in the laboratory. Indirect tensile tests were performed on a series of nine asphalt mixtures with different fiber and asphalt contents and compared with a conventional mixture. The results obtained from a 50/70 pen asphalt were used to define three asphalt mixture configurations to be used with 35/50 pen asphalt. The results indicate that the textile fibers recycled from used tires can be a valuable resource in the reinforcement of asphalt mixtures.
机译：由于与废弃轮胎的处理有关的问题，已经出现了将碎屑橡胶用于沥青的改性。但是，在沥青路面（称为沥青橡胶路面）中使用废轮胎可以将对环境的影响降至最低，并最大限度地保护自然资源。来自回收轮胎的纺织纤维通常被丢弃在垃圾填埋场中或用于能量增值，但与其他纤维类似，它们可以用作增强工程材料（如沥青混合物）的宝贵资源。因此，这项工作旨在研究从地面轮胎回收的纺织纤维在增强传统沥青混合物中的用途。通过对从实验室生产的板坯中提取的样品进行实验室测试，评估了来自地面轮胎的纺织纤维的应用。对一系列九种具有不同纤维和沥青含量的沥青混合物进行了间接拉伸试验，并与常规混合物进行了比较。从50/70笔型沥青获得的结果用于定义三种与35/50笔型沥青一起使用的沥青混合料构型。结果表明，从废旧轮胎中回收的纺织纤维可能是增强沥青混合物的宝贵资源。

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