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首页> 外文期刊>Arabian Journal for Science and Engineering >Evaluation of the Effect of Lignin and Glass Fiber on the Technical Properties of Asphalt Mixtures
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Evaluation of the Effect of Lignin and Glass Fiber on the Technical Properties of Asphalt Mixtures

机译：木质素和玻璃纤维对沥青混合料技术性能的影响评估

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The performance and the fundamental weaknesses of the asphalt mix have made the researchers think about modifying the technical properties of the asphalt mix by using the appropriate additives. The fiber spreads through the asphalt mix and prevents the development of the micro-cracks by producing a more coherent mix and increasing its durability. The present study, for the first time, has used two additives, lignin and glass fiber (6 and 12 mm in length), to improve the performance of asphalt mix. Mixing was done in a way that lignin and glass fiber were added to the bitumen and aggregates, respectively. According to the results, the length of the used glass fiber has a significant effect on the Marshall Resistance and asphalt mix performance so that glass fiber in 6 mm length has reduced the Marshall strength and glass fiber in 12 mm length has increased the Marshall strength. Moreover, the results of resilient modulus indicate that having a stable percentage of fiber and an increasing lignin percentage, it behaves differently at two temperatures of 15 and 25 degrees C, confirming once again the fact that the length of fiber plays a decisive role on the result of resilient modulus.
机译：沥青混合料的性能和基本缺点使研究人员考虑使用适当的添加剂来改变沥青混合料的技术性能。纤维在沥青混合料中扩散，并通过产生更粘的混合料并提高其耐久性来防止微裂纹的发展。本研究首次使用了两种添加剂，木质素和玻璃纤维（长度分别为6和12 mm），以改善沥青混合料的性能。混合的方式是将木质素和玻璃纤维分别添加到沥青和骨料中。根据结果​​，所用玻璃纤维的长度对耐马歇尔性和沥青混合性能具有显着影响，因此长度为6 mm的玻璃纤维降低了马歇尔强度，而长度为12 mm的玻璃纤维则提高了马歇尔强度。此外，弹性模量的结果表明，具有稳定的纤维百分比和增加的木质素百分比，它在15和25摄氏度的两个温度下的行为不同，再次证实了纤维的长度对纤维的起决定性作用。弹性模量的结果。

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