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科技导报  2015 

聚酯纤维沥青胶浆及混合料路用性能

DOI: 10.3981/j.issn.1000-7857.2015.03.007, PP. 49-53

Keywords: 聚酯纤维,沥青混合料,路用性能,四点弯曲疲劳试验

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Abstract:

为研究聚酯纤维沥青混合料的性能,引入木质素纤维作对比,对两种纤维的技术指标进行测试;通过动态剪切流变试验、弯曲梁流变试验、车辙试验、低温弯曲小梁试验、冻融劈裂试验和四点弯曲疲劳试验分别对无纤维和掺加聚酯纤维、木质素纤维的沥青胶浆和沥青混合料性能进行试验研究,并分析其改善机制。结果表明,掺加纤维能显著地改善沥青混合料的路用性能,聚酯纤维沥青混合料比木质素纤维混合料具有更优良的路用性能。

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