聚酯纤维与盐分对沥青混合料的水稳性影响研究

发布时间：2018-01-14 11:02

本文关键词：聚酯纤维与盐分对沥青混合料的水稳性影响研究　出处：《硅酸盐通报》2015年03期 　论文类型：期刊论文

【摘要】：为了研究聚酯纤维掺量与盐分对沥青混合料水稳定性的影响,制作聚酯纤维掺量为0、0.1%、0.2%、0.3%的马歇尔试件,在SYD-0713型沥青混合料单轴压缩试验机上进行冻融劈裂试验,研究不同聚酯纤维掺量的沥青混合料浸泡在不同浓度硫酸盐溶液中水稳性的变化规律。试验结果表明:在硫酸盐溶液浓度相同时,随着聚酯纤维掺量的增加,沥青混合料的劈裂抗拉强度及冻融劈裂抗拉强度比均呈现先上升后下降的趋势,说明聚酯纤维掺量存在最佳值,为0.2%,此时水稳性最好。在聚酯纤维掺量相同时,水稳性随硫酸盐溶液浓度的增加呈下降趋势。
[Abstract]:In order to study the effect of polyester fiber content and salt on the water stability of asphalt mixture, Marshall specimen with 0. 1% polyester fiber content and 0. 2% 0. 3% polyester fiber was made. Freeze-thaw splitting test was carried out on SYD-0713 asphalt mixture uniaxial compression tester. The changes of water stability of asphalt mixture immersed in sulfate solution with different concentration of polyester fiber were studied. The experimental results showed that when the concentration of sulfate solution was the same, the content of polyester fiber increased. The splitting tensile strength of asphalt mixture and the ratio of freezing and thawing splitting tensile strength all showed a trend of first rising and then decreasing, which indicated that the optimum value of polyester fiber content was 0.2%. When the content of polyester fiber was the same, the water stability tended to decrease with the increase of sulfate concentration.
【作者单位】：安徽理工大学;安徽建筑大学;
【基金】：安徽省高校省级自然科学项目研究(KJ2013A082)
【分类号】：U414
【正文快照】： Influence of Polyester Fiber and Salt on Asphalt Mixture Water StabilityJIANG Man1,WU Jin-rong1,TONG Xue-xue2(1.Anhui University of Science and Technology,Huainan 232001,China;2.Anhui Jianzhu University,Hefei 230000,China)1引言纤维是近年国际上出现的一种

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