重庆至贵阳铁路扩能改造工程站前工程YQZQ-4标段DK46+711太公山隧道施工阶段安全风险评估报告中铁二局股份有限公司渝黔铁路土建4标项目经理部二一三年六月〇重庆至贵阳铁路扩能改造工程站前工程YQZQ-4标段DK46+711太公山隧道施工阶段安全风险评估报告编制：复核：审核：中铁二局股份有限公司渝黔铁路土建4标项目经理部二一三年六月〇目录1编制依据...........................................................................................................31.1业主制定的风险管理方针及策略.................................................................................................31.2相关的国家和行业标准、规范及规定.........................................................................................31.3施工图和施工调查提供的隧道基础资料.....................................................................................31.4隧道施工图阶段风险评估结果.....................................................................................................42工程概况...........................................................................................................42.1工程简介.........................................................................................................................................42.2工程地质概况.................................................................................................................................42.3水文地质.........................................................................................................................................42.3.1地表水.................................................................................................................................42.3.2地下水类型.........................................................................................................................52.3.3地下水的化学特征.............................................................................................................52.3.4隧道涌水量预测.................................................................................................................52.4气象.................................................................................................................................................52.5地层岩性.........................................................................................................................................62.6工程重点、难点.............................................................................................................................73设计施工工法...................................................................................................83.1各工序施工工法.............................................................................................................................83.2隧道各段开挖方法及衬砌类型.....................................................................................................84风险评估程序和评估方法...............................................................................84.1风险评估对象及目标.....................................................................................................................84.2风险评估程序.................................................................................................................................84.3风险评估方法............................................................
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