目前，在我国1.9万km高等级公路中，绝大多数为沥青路面。这些路面在长期的使用过程中，因日晒雨淋和车辆的长期作用以及因设计和施工质量的缺陷等其它人为因素，在使用二三年后就会出现诸如坑槽、涌包、龟裂和松散等形态的各种小病害，严重影响道路的通行效率和质量。我国高等 At present, the vast majority of 19,000 km of highways in China are asphalt pavements. These roads in the long-term use, due to the sun and rain and the long-term effects of vehicles and due to defects in design and construction quality and other human factors, the use of two or three years after the emergence of such as pit, gutter, cracking And loose and other forms of small diseases, seriously affecting the efficiency and quality of the passage of the road. Our country is higher