Abstract: According to the large quantity vestigation,analysis,and research on the traffic volume,subgrade strengh,and the materials of pavement and subgrade,etc.of the low-volume road in the western destrict,this article divided the traffic grade and subgrade strengh grade, moreover,defined the materials and design parameters of subgrade and pavement,which fixed the low-volume road in the western district.So the article provided the reasonable design parameters which helps to establish the typical stru

Key words: asphalt pavement, typical structure, traffic grade, subgrade strengh grade, materials, design parameters

摘要： 笔者在文中通过对西部地区县乡公路交通量、路基强度及路基路面材料等方面的大量调查、分析和研究，划 分出西部地区县乡公路的交通等级、路基强度等级、确定出适合西部地区县乡公路的路基、路面材料及设计参数， 为建立西部地区县乡公路沥青路面的典型结构提供合理的设计参数

关键词: 沥青路面, 典型结构, 交通等级, 路基强度, 材料, 设计参数