随着国民经济高速发展而带来的交通量迅速增长,车辆大型化,超载严重,许多公路沥青路面即使使用了符合要求的重交通道路沥青或进口沥青,仍不能满足需要,车辙、开裂、脆性坑槽等病害严重。影响沥青路面的因素有沥青混合料的沥青用量、接触面沥青膜厚薄、沥青层厚,沥青流变特性、沥青的油源及沥青标号,感温性、感时性、沥青老化 With the rapid growth of the national economy brought about by rapid traffic growth, large-scale vehicles, overloading and serious, many highway asphalt pavement even if the use of qualified heavy traffic asphalt or imported asphalt, still can not meet the needs of rutting, cracking, brittleness Pit and other serious diseases. Affect the asphalt pavement factors are the asphalt content of asphalt mixture, the contact surface asphalt film thickness, thickness of asphalt, asphalt rheological properties, asphalt source and asphalt label, temperature sensitivity, sense of time, asphalt aging