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Experimental determination of the optimum percentage of asphalt mixtures reinforced with Nano-carbon black and polyester fiber industries

机译：纳米炭黑和聚酯纤维工业增强沥青混合料最佳比例的实验确定

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The cost of road construction or its repair is among the most concerns for the pavements engineers. Cracking and degradation is common mode of failure in asphalt pavements that occurs due to increasing traffic loads or even environmental conditions. For facing with these damages, some solutions are proposed including correction, quality improvement and increasing the asphalt resistance. In this research, by adding different percent amounts of black nano-carbon and polyester fibers as modifier in the asphalt mixtures and conducting several Marshall tests, it was observed that adding these two additives can improve generally the Marshall results. Polyester fiber causes preventing crack and damages of asphalt because of armed effect specification. According to the results, Marshall stability is increased up to 61%. Furthermore, an economic analysis was performed to investigate the cost of using such modified asphalt mixtures for constructing 1 km of a six line road and suitable percentages of additives were found from mechanical-economic analyses.How to cite this paper Mirbaha, B., Abdi, A., Zarei, M., Zarei, A & nia, F. (2017). Experimental determination of the optimum percentage of asphalt mixtures reinforced with Nano-carbon black and polyester fiber industries.Engineering Solid Mechanics, 5(4), 285-292.
机译：道路工程或道路维修的成本是路面工程师最关注的问题之一。破裂和降解是沥青路面的常见失效模式，这是由于交通负荷增加甚至环境条件引起的。为了面对这些损坏，提出了一些解决方案，包括校正，质量改进和增加沥青抵抗力。在这项研究中，通过在沥青混合物中添加不同百分比的黑色纳米碳和聚酯纤维作为改性剂，并进行了几次马歇尔试验，观察到添加这两种添加剂通常可以改善马歇尔结果。聚酯纤维可防止武装破裂和沥青损坏，这是由于武装效应规范所致。根据结果​​，马歇尔稳定性提高到61％。此外，还进行了经济分析，以研究使用这种改性沥青混合料建造六公里公路1公里的成本，并从机械经济分析中找到合适百分比的添加剂。如何引用这篇论文Mirbaha，B.，Abdi ，A.，Zarei，M.，Zarei，A＆nia，F.（2017年）。纳米炭黑和聚酯纤维工业增强沥青混合料最佳比例的实验确定。工程固体力学，5（4），285-292。

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