泡沫沥青冷再生混合料级配对强度及水稳定性影响分析  

INFLUENCE OF THE GRADATION ON STRENGTH AND MOISTURE DAMAGE RESISTANCE OF FOAMED ASPHALT COLD RECYCLED MIXTURE

作　　者：赵含 ZHAO Han(Jilin transportation planning and Design Institute,Changchun 130021,China)

机构地区：[1]吉林省交通规划设计院,长春130021

出　　处：《低温建筑技术》2020年第9期41-43,共3页Low Temperature Architecture Technology

摘　　要：通过劈裂试验,得到粗粒式、中粒式、细粒式泡沫沥青冷再生混合料的间接抗拉强度(ITS)及干湿间接抗拉强度比(TSR),将该两个指标用于评价泡沫沥青冷再生混合料的强度与水稳定性。结果表明中粒式级配的强度及水稳定性均为最优,粗粒式稍低,细粒式混合料强度最低。研究结果为泡沫沥青冷再生混合料应用中的级配选择提供了参考。The indirect tensile strength(ITS)and dry wet indirect tensile strength ratio(TSR)of coarse-grained,medium-grained,and fine-grained foamed asphalt cold recycled mixture were respectively obtained by the splitting tests.Then the two indexes were used to evaluate the strength and moisture damage resistance of foamed asphalt cold recycled mixture.The results show that the strength and moisture damage resistance of the medium-grained are the best,whereas the coarse-grained is slightly lower,and the fine-grained is the lowest.The research results may provide a reference for gradation selection in the application of foamed asphalt cold recycled mixture.

关 键 词：泡沫沥青 冷再生混合料 间接抗拉强度 水稳定性 

分 类 号：TU52[建筑科学—建筑技术科学]