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The performance of asphalt mixtures modified with lignin fiber and glass fiber: A review

机译：用木质素纤维和玻璃纤维改性沥青混合物的性能：综述

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Low temperature thermal cracking, rutting, moisture damage and fatigue cracking are popular damages that appear in the asphalt mixture. These problems occur mainly because of the growth in the number of heavy load vehicles, design and construction errors and environmental condition that reduce the quality, performance and the service life of the pavement. Several previous studies showed that using additives like fibers to modify asphalt mixtures could enhance the efficiency and boost the quality and service life of the pavement. This paper presents a review of the role of lignin and glass fiber as a modifier in bituminous mixes. To evaluate some main mixture properties, some tests such as the low temperature bending, indirect tensile strength, the wheel loading tracking, Hamburg wheel tracking, Marshall immersion, freezing thaw splitting, third-point bending fatigue and indirect tensile fatigue are applied to analyze rutting, low temperature cracking resistance, moisture damage resistance and fatigue resistance of asphalt mixture modified with lignin or glass fiber. Results denoted that the quality of asphalt mixture enhanced significantly by adding lignin fiber or glass fiber. Previous researches demonstrated an obvious improvement in low temperature performance in the pavement when adding 0.2-0.4% lignin fiber of asphalt mixtures, with a limited improvement of high temperature performance. On the contrary, the asphalt mixtures modified with 0.2-0.6% glass fiber of asphalt mixtures significantly improved the resistance of high temperature. So it is hard to improve all the performances of the mixture by using only a single admixture at the same time. Thus, a new way of modifying asphalt mixture that is called double-mixture technology or composite modification, which is able to enhance the overall properties of asphalt mixture. (C) 2019 Elsevier Ltd. All rights reserved.
机译：低温热开裂，车辙，湿气损伤和疲劳裂缝是沥青混合物中出现的流行损伤。这些问题主要发生，主要原因是重载车辆数量的增长，设计和施工误差和降低人行道的质量，性能和使用寿命的环境条件。几个以前的研究表明，使用像纤维这样的添加剂来改变沥青混合物可以提高效率并提高路面的质量和使用寿命。本文介绍了木质素和玻璃纤维作为沥青混合物的改性剂的作用的审查。为了评估一些主要的混合物性能，一些测试，如低温弯曲，间接拉伸强度，车轮装载跟踪，汉堡轮跟踪，马歇尔浸，冷冻解冻分裂，第三点弯曲疲劳和间接拉伸疲劳进行分析用木质素或玻璃纤维改性沥青混合物的低温开裂性，防潮性和疲劳性。结果表示通过添加木质素纤维或玻璃纤维，显着提高了沥青混合物的质量。以前的研究表明，当加入沥青混合物的木质素纤维0.2-0.4％木质素纤维时，对路面的低温性能显着提高，具有有限的高温性能。相反，用0.2-0.6％的沥青混合物改性沥青混合物显着提高了高温的电阻。因此，通过同时使用单个混合物难以改善混合物的所有性能。因此，改性称为双混合物技术或复合改性的沥青混合物的新方法，其能够增强沥青混合物的整体性质。 （c）2019 Elsevier Ltd.保留所有权利。

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