沥青混合料配合比设计及水稳定性影响研究  

Study on Proportional Rate Design and Water Stability of Asphalt Mixture

作　　者：查湘义[1] ZHA Xiang-yi(Department of Architectural Engineering,Liaoning Provincial College of Communications,Shenyang,Liaoning 110122,China)

机构地区：[1]辽宁省交通高等专科学校建筑工程系,辽宁沈阳110122

出　　处：《伊犁师范学院学报（自然科学版）》2018年第2期49-54,共6页Journal of Yili Normal University：Natural Science Edition

基　　金：辽宁省交通厅重点科研项目(201211)

摘　　要：对沥青混合料配合比进行了设计,确定最佳油石比为4.6%.按照确定的矿料级配比例和最佳沥青用量制作试件并测试所有技术指标,试验结果均符合施工技术规范的技术标准.然后选用氯化钠、氯化钙、氯化镁、CMA、硝酸镁等融雪剂,通过马歇尔冻融劈裂试验分析融雪剂对沥青混合料试件水稳定性的影响.结果表明:受到融雪剂冻融影响后,沥青混合料的水稳定性均有所降低,影响最大的是氯化钙,氯化钠其次,CMA的影响最小.The proportional rate design of asphalt mixture was carried out in the paper, which concluded that the best oil-stone ratio was 4.6%. The specimens were made according to the determination of the proportion of ore and the optimum asphalt content and the technical indexes of the specimen are tested. The results showed the test results are consistent with the technical standard of construction technology. The influence of melting snow agent, such as sodium chloride, calcium chloride, magnesium chloride, CMA, magnesium nitrate, on the water stability of asphalt mixture was analyzed by using the marsh all freeze-thaw split test. The results showed that the water stability of asphalt mixture was decreased by influencing of snowmelt agent. The influence of calcium chloride on the water stability of asphalt mixture was the biggest, that of sodium chloride was the second, and that of CMA was the smallest.

关 键 词：沥青混合料 配合比设计 融雪剂 水稳定性 

分 类 号：U414[交通运输工程—道路与铁道工程]