Analyzing and Preventing of Asphalt Pavement Rutting for Expressway

According to the rutting diseases appeared in asphalt pavement of China expressway,it is helpful for reducing the rut disease of asphalt pavement and improving the pavement quality to analyze the main forming factors from aspects of asphalt,asphalt mixture characteristic,pavement construction,over loading,slope and temperature,with the methods introduction including using modified asphalt,employing advanced asphalt pavement design technique and improving the gradations on asphalt mixture.