半柔性路面水稳定性及低温抗裂性能分析  

Water Susceptibility and Crack Resistance at Low Temperature of Semi-flexible Pavement

作　　者：张大可[1] 成长庆 吴国雄[1] 胡玲玲[1] 张洋[1] 

机构地区：[1]重庆交通大学土木建筑学院,重庆400074 [2]汉孝高速公路建设公司工程建设管理部,湖北武汉430000

出　　处：《重庆交通学院学报》2007年第3期55-57,72,共4页Journal of Chongqing Jiaotong University

基　　金：湖北省重点科技项目(054307)资助

摘　　要：半柔性路面是一种在大孔隙沥青混合料中填充水泥胶浆而形成的兼具沥青路面与水泥砼路面特点的复合路面.笔者采用浸水马歇尔试验和冻融劈裂试验评价半柔性路面混合料的水稳定性,用低温劈裂试验评价半柔性路面混合料的低温抗裂性能.试验结果表明,半柔性路面混合料具有优良的水稳定性、低温抗裂性能.Semi-flexible pavement is generally described as an open-graded asphalt concrete mixture, which is filled with Portland cement grout. It is a composition pavement that owns an unique combination of asphalt concrete and Portland cement concrete materials in the same layer. The retain stability and improved Lottoman test were used to measure the water suscepti- bility of semi-flexible pavement mixture. The split test was carried out to measure the crack resistance at low temperature. The results show that the semi-flexible pavement mixture has better water susceptibility and crack resistance performance.

关 键 词：半柔性路面 水稳定性 低温抗裂性能 水泥胶浆 沥青混合料 

分 类 号：U416.217[交通运输工程—道路与铁道工程]