徽杭高速公路路基工程施工期的地质工作重点

The key points of geological work in the construction period of subgrade project of Hui Hang Expressway

山区高速公路的地质问题是决定施工进程和工程质量的关键因素。徽（州）杭（州）高速公路皖境屯溪－ 昱岭关段路基工程即将全面开工，为了保证顺利施工和提高工程质量，文章提出了施工期的地质工作重点和方法。施工期的大开挖、大暴露，有利于进一步查明沿线地质情况，设计人员根据施工期的地质成果，修改设计中不合理部分，指导施工。

The geological work of mountain expressway is a pivotal factor which influences the construction course and the project′s quality. The article brings forward the key points of geological work in the construction stage of the subgrade project of Tunxi to Yulingguan section of Huizhou to Hangzhou expressway.With subgrade being chamfered,more actual geological conditions can be found,and improper design can be amended.