首先调查了芦山“4·20”地震后灾区内公路交通系统的地震破坏情况,总结了道路和桥梁的典型破坏特征,并对其破坏成因进行了分析,指出影响交通系统破坏的主要因素,最后结合调查数据和震害分析结果,对芦山地震中交通系统的总体破坏情况进行了评述,为加深对公路交通系统地震破坏特征的认识、掌握震害影响因素以及开展震后恢复重建工作提供参考。 First of all, this paper investigates the earthquake damage of the highway traffic system in the affected area after the Lushan earthquake, and summarizes the typical damage characteristics of the road and bridge, analyzes the causes of the damage and points out the main factors affecting the traffic system destruction Finally, based on the survey data and the results of the earthquake damage analysis, the overall damage of the traffic system in Lushan earthquake was reviewed. In order to deepen the understanding of the earthquake damage characteristics of the highway traffic system, grasp the influencing factors of earthquake damage and provide post-earthquake recovery and reconstruction work reference.