Superpave沥青混合料路用性能

Road performance of Superpave bituminous mixture

通过试验研究,系统分析了Superpave和SMA沥青混合料的路用性能,包括马歇尔稳定度、水稳定性、低温抗裂性、高温稳定度、疲劳耐久性和抗滑性能,并与密级配沥青混凝土进行了对比分析。结果表明,Superpave和SMA沥青混合料具有较好的路用性能,可以改善沥青路面使用品质,延长使用寿命,具有较好的经济和社会效益,是一种性能优良的沥青路面类型。

The tests of SMA and Superpave bituminous mixture performance were carried out,included Marshall stability,high temperature rutting,low temperature crack resistance,water stability,fatigue resistance and skid resistance.SMA and Superpave bituminous mixture was compared with densegradasphaltconcrete.The results indicate that SMA and Superpave bituminous mixture have a good road performance,and their life can be prolonged,it is a kind of higher peformance bituminous mixture pavement.