近年来,我国高速公路建设发展迅速,高速公路在我国经济建设中起着越来越重要的作用。同时,随着国民经济的持续高速发展,交通量迅速增长,车辆大型化、超载严重,使高速公路路面面临严峻的考验。许多高速公路建成不久就出现明显的病害,车辙、开裂、坑槽等早期破坏的情况时有发生, In recent years, the rapid development of China’s expressway construction has played an increasingly important role in the economic construction of our country. At the same time, with the sustained and rapid development of the national economy, the traffic volume has been rapidly increasing. Vehicles are becoming larger and more overloaded. As a result, the highway pavement faces severe challenges. Many expressways have obvious diseases shortly after they are built, and the occasions of early damage such as rutting, cracking and ditches sometimes occur,