下载后可任意编辑目 录第 1 章 工程概况.................................................................................................................................41.1工程概况...................................................................................................................... 41.2洞口设计概况........................................................................................................ 41.2.1 隧道进洞口....................................................................................................41.2.2 隧道出洞口....................................................................................................41.3工程区域自然条件.......................................................................................... 51.3.1 地理气候............................................................................................................... 51.3.2 地形地貌............................................................................................................... 61.3.3 地层岩性............................................................................................................... 61.3.4. 地质构造............................................................................................................61.3.5 水文地质...............................................................................................................71.3.6 不良地质现象.................................................................................................71.4现场施工条件........................................................................................................ 91.5主要合同项目及控制工期................................................................ 101.6主要施工重点及难点。........................................................................ 111.7隧道施工方案.................................................................................................... 121.7.1 石方明挖.......................
