水性环氧乳化沥青混凝土路面冷补材料制备及性能研究  

Preparation and Performance Study of Cold Repair Materials for Water Based Epoxy Emulsion Asphalt Pavement

作　　者：杨帆[1,2] 何丽红[1,2] 田春玲[1,2] 谷雨[3] 韦万峰 吴涛[1,2] 

机构地区：[1]重庆交通大学交通土建材料国家地方联合工程试验室,重庆市400074 [2]重庆交通大学材料科学与工程学院,重庆市400074 [3]同济大学道路与交通工程教育部重点实验室,上海市201804

出　　处：《公路》2017年第6期286-290,共5页Highway

基　　金：交通运输部建设科技项目;项目编号2014318346140;重庆市研究生科研创新项目;项目编号20160114;重庆交通大学交通土建工程材料国家地方联合工程实验室开放基金项目;项目编号LHSYS-2013-008

摘　　要：通过自制水性环氧乳液对阳离子乳化沥青进行改性,制备水性环氧乳化沥青及其混合料,开发了一种适用于路面养护的新型修补材料。对不同水性环氧乳液掺量下的水性环氧乳化沥青进行荧光、抗剪、黏附性分析,及其沥青混合料养生条件、马歇尔稳定度、抗劈裂强度、水稳定性测试。结果表明:水性环氧乳液掺量10%~20%时,沥青充分包裹在环氧网络结构中,抗剪强度迅速增大,黏附性较好,掺量小于10%对抗剪强度贡献不大;混合料养生条件在60℃时,随着掺量的增大,马歇尔稳定度、劈裂强度、水稳性随着增大,水性环氧乳液掺量20%时,马歇尔稳定度、抗劈裂强度、MS分别为5.81kN、0.81 MPa、93.1%,均满足规范要求。A new repair material for pavement maintenance is developed by modifying the cationic emulsified asphalt and preparing the water based epoxy emulsion asphalt and its mixture. The waterborne epoxy asphalt emulsion waterborne epoxy resin emulsion of different dosage of fluorescence, shear, adhesion and material analysis, health conditions, asphalt mixture Marshall stability, anti cracking strength and water stability test. The results show that the waterborne epoxy resin emulsion asphalt admixture of 10%-20%, fully wrapped in the epoxy network structure, the shear strength increases rapidly, the adhesion is good, the content is less than 10% against the sma｜l shear strength contribution; mixture curing conditions at 60 degrees, with the increase of dosage of Marshall stability, splitting strength and water stability with the increase of waterborne epoxy emulsion dosage to 20% Marshall stability, anti cracking strength and MS are 5.81 kN, 0.81 MPa, 93.1%, both meet the requirements of specification.

关 键 词：沥青混合料 水性环氧 乳化沥青 冷补材料 掺量 混合料 

分 类 号：U416.03[交通运输工程—道路与铁道工程] U418.6