中铁十四局集团固西公路 A5 合同段项目经理部 隧道涌水专项施工方案G309 线固原至西吉公路A5 合同段隧道涌水专项施工方案编制： 审核： 批准： 1中铁十四局集团固西公路 A5 合同段项目经理部 隧道涌水专项施工方案中铁十四局集团固西公路 A5 合同段项目经理部2014 年 2 月 25 日一、工程概况............................................................................................31.1 设计概况......................................................................................31.2 地形、地貌..................................................................................31.3 区域内地质概况..........................................................................31.4 水文地质......................................................................................41.5 不良地质......................................................................................51.6 地震..............................................................................................51.7 气候及气象..................................................................................5二、涌水段施工原则................................................................................52.1、隧道涌水处理原则...................................................................52.2、积极发挥超前地质预报作用...................................................6三、局部堵水注浆方案............................................................................6四、超前预注浆方案................................................................................84.1、施工方法...................................................................................84.2、施工工艺流程...........................................................................8五、径向注浆支护施工............................................................................95.1、工艺流程如下...........................................................................95.2、施工要求和质量检查：.......................................................
