The influences of the heavy load on the asphalt mixture of mountain expressway pavement,the long and steep slope on the rutting resistance of asphalt pavement are analyzed.

• 认为山区高速公路产生车辙的主要原因是长大纵坡导致了车辆低速行驶,车辆低速行驶对沥青混合料动稳定度的影响超过夏季高温和超载的影响。