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将Sasobit温拌剂依次掺入到橡胶改性沥青及其混合料当中,通过对沥青进行针入度、软化点、延度、布氏黏度、弹性恢复试验,以及对混合料进行车辙、小梁弯曲、浸水马歇尔以及冻融劈裂试验,分析了温拌剂对橡胶改性沥青及其混合料在高、低温性能,水稳定性以及黏温特性方面的影响,从而对掺入了温拌剂的橡胶改性沥青及其混合料进行路用性能评价。研究表明:Sasobit温拌剂的掺入能提高橡胶改性沥青及其混合料的高温稳定性,同时降低了拌和与压实温度,但是在低温性能以及水稳定性方面改善效果并不理想。
The Sasobit warm agent in turn incorporated into the rubber modified asphalt and its mixture among them, through the asphalt penetration, softening point, ductility, Brookfield viscosity, elastic recovery test, as well as the mixture rutting, trabecular Bending, immersion Marshall and freeze-thaw splitting test, the influence of warm mix on the high and low temperature properties, water stability and viscosity-temperature properties of rubber-modified asphalt and its mixtures was analyzed. Of rubber modified asphalt and its mixture for road performance evaluation. The results show that the incorporation of Sasobit blend can improve the high temperature stability of rubber modified asphalt and its mixture, meanwhile reduce the mixing and compaction temperature. However, the improvement of low temperature performance and water stability is not satisfactory.