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采用聚合物纤维和木质素纤维混合使用方式,通过马歇尔试验、车辙试验、冻融劈裂试验和抗反射裂缝性能试验进行混杂纤维增强沥青混合料的路用性能和抗反射裂缝性能的研究.结果表明:混杂纤维能够显著提高沥青混凝土的高温抗车辙性能、低温抗裂性能和良好的抗裂缝反射能力,表现出较高的性价比.
The road performance and anti-reflection crack performance of hybrid fiber-reinforced asphalt mixture were studied by Marshall test, rutting test, freeze-thaw splitting test and antireflection crack performance test using a mixture of polymer fiber and lignin fiber.Results It shows that hybrid fibers can significantly improve the high temperature rutting resistance, low temperature crack resistance and good anti-crack reflection ability of asphalt concrete, showing a high cost performance.