高韧冷拌树脂SMA混合料及其性能试验评估研究  

High Toughness Cold-mix Resin SMA Mixture and Performance test Evaluation Study

作　　者：户旭 储长青 张辉 李娣 陈赟峰 HU Xu;CHU Changqing;ZHANG Hui;LI Di;CHEN Yunfeng(Jiangsu SinoRoad Engineering Research Institute Co.,Ltd.,Nanjing Jiangsu 211806,China;Jiangsu Provincial Transportation Engineering Construction Bureau,Nanjing Jiangsu 210004,China)

机构地区：[1]江苏中路工程技术研究院有限公司,江苏南京211899 [2]江苏省交通工程建设局,江苏南京210004

出　　处：《交通节能与环保》2024年第4期149-152,共4页Transport Energy Conservation & Environmental Protection

基　　金：国家重点研发计划项目(2021YFB1600300)。

摘　　要：文章通过对高韧冷拌树脂SMA混合料原材料指标分析,并对混合料强度发展规律、温度稳定性、水稳定性等各种指标进行试验研究,结果表明:高韧冷拌树脂SMA混合料强度达到60kN以上、70℃高温稳定性26002次/mm、残留稳定度91.7%、常温断裂能达到15169.30J/m^(2),四点弯曲疲劳试验800με大于100万次,各项路用性能优异,能够满足规范要求以及钢桥面铺装的苛刻的使用要求。Through the analysis of raw material indicators of high-toughness cold-mix resin SMA mixture,and the experimental research and analysis of various indicators such as strength development law,temperature stability and water stability of the mixture were carried out.The results show that the strength of the SMAmixture of high-toughness cold-mix resin reaches more than 60kN,the high temperature stability at 70℃is 26002 times/mm,the residual stability is 91.7%,the fracture energy can reach 15169.30J/m^(2) at room temperature,the four-point bending fatigue test is 800μεis greater than 1 million times,and the road performance is excellent,which can meet the requirements of specifications and the harsh use requirements of steel bridge deck paving.

关 键 词：钢桥面铺装 高韧冷拌树脂 SMA混合料 路用性能 

分 类 号：U416.217[交通运输工程—道路与铁道工程]