Impacts on asphalt mixture's high temperature performance with PR series additives added by means of rutting test and Repeated Shear Test (Constant Height)(RSCH) were investigated.
选用车辙试验和恒定高度重复剪切试验（RSCH）来进行掺加PR系列添加剂沥青混合料的高温性能研究。
Results and analyses show that the use of the additives will increase the optimum asphalt content by about 0.
试验结果与分析表明，各种添加剂的掺入将使最佳沥青用量增加约0。
SF series of road asphalt joints adhesive tape was produced with a variety of polymer materials and additives, using specific process conditions.
SF系列道路接缝粘结胶带是采用沥青、多种高分子材料及多种添加剂，在特定的工艺条件下复合制成的聚合物密封接缝胶带。
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