乐业至百色高速公路工程NO.5标合同段隧道工程专项治理实施方案（YK45+420-YK54+160）编制：复核：审核：中铁四局广西乐业至百色高速公路№.5合同段项目经理部二○一七年七月乐业至百色高速公路NO.5标隧道工程专项治理实施方案乐业至百色高速公路NO.5标隧道工程专项治理实施方案乐业至百色高速公路NO.5标隧道工程专项治理实施方案目录1.隧道概况.....................................................................................................................12.实施目的.....................................................................................................................13.总体目标.....................................................................................................................14.组织机构.....................................................................................................................25.专项治理重点.............................................................................................................25.1洞身开挖...........................................................................................................25.2初期支护.........................................................................................................145.3防排水.............................................................................................................235.4仰拱及二次衬砌.............................................................................................355.5紧急停车带与横洞.........................................................................................405.6隧道其他附属工程.........................................................................................555.7超前地质预报.................................................................................................565.8监控量测.........................................................................................................605.9安全管理.........................................................................................................655.10环境保护.......................................................................................................715.11四化管理.......................................................................................................736.实施步骤...................................................................................................................736.1第一阶段.........................................................................................................736.2第二阶段.........................................................................................................736.3第三阶段.........................................................................................................746.3第四阶段.........................................................................................................747.工作保证...................................................................................................................74乐业至百色高速公路NO.5标隧道工程专项治理实施方案乐业至百色高速公路NO.5标隧道工程专项治理实施方案隧道工程专项治理实施方案1.隧道概况本标段共有三座隧道分别为马庄隧道、把拿山隧道、可立隧道，详见下表：隧道工程概况表隧道名称起讫里程长度（m）围岩等级及长度（m）洞门形式明洞ⅢⅣⅤ进口端出口端马庄隧道ZK46+363～ZK46+7003376/120211端墙式偏压端墙式YK46+351～YK46+6553146/90218端墙式偏压端墙式把拿...
