新建铁路成都至贵阳线乐山至贵阳段 CGZQSG4 标段隧道工程专项施工方案编 制：审 核：批 准：中交第二航务工程局有限公司成贵铁路项目经理部二〇一四年五月目 录一、编制依据、编制范围及设计概况.................................11.1 编制依据..................................................11.2 编制范围..................................................21.3 设计慨况..................................................2二、工程慨况.....................................................22.1 工程概述..................................................22.2 主要技术参数见表..........................................22.3 主要工程数量..............................................3三、自然特征.....................................................43.1 沿线地形地貌..............................................43.2 工程地质..................................................43.3 水文地质特征..............................................53.4 地震动参数................................................53.5 气象特征..................................................5四、施工方法与工艺...............................................54.1 隧道洞身开挖..............................................64.2 支护.....................................................164.3 洞门与明洞施工...........................................224.4 超前地质预报.............................................254.5 监控量测.................................................274.6 隧道防排水施工方案.......................................354.7 仰拱施工..................................................404.8 二次衬砌.................................................404.9 附属工程.................................................454.10 综合接地................................................47五、工程质量保证措施............................................475.1 超前地质预报.............................................475.2 监控量测.................................................485.3 隧道开挖.............................
