余庆至安龙高速公路罗甸至望谟高速公路土建施工（第2合同段）K8+874-YK17+580隧道工程安全专项施工方案浙江省宏途交通建设有限公司罗甸至望谟高速公路第2合同段项目经理部2016年3月余庆至安龙高速公路罗甸至望谟高速公路土建施工（第2合同段）K8+874-YK17+580隧道工程安全专项施工方案编制：复核：审核：浙江省宏途交通建设有限公司罗甸至望谟高速公路第2合同段项目经理部目录1、编制说明.................................................................................................................................11.1编制依据..............................................................................................................11.2编制目的..............................................................................................................11.3适用范围..............................................................................................................12、工程概况.................................................................................................................................12.1工程简介..............................................................................................................12.2主要自然条件......................................................................................................22.2.1地质条件.........................................................................................................................22.2.2气候条件.........................................................................................................................22.3施工准备..............................................................................................................52.3.1场地准备.........................................................................................................................52.3.2测量准备.........................................................................................................................52.3.3技术准备.........................................................................................................................52.3.4材料准备.........................................................................................................................52.3.5现场人员配置..................................................................................................................62.3.6机械设备准备..................................................................................................................62.3.7测量、试验检测仪器准备..............................................................................................63、施工工艺.................................................................................................................................73.1总体施工方案......................................................................................................73.2技术参数..............................................................................................................83.3主要施工方法......................................................................................................93.3.1洞顶截水沟修筑..............................................................................................................93.3.2洞口开挖及边仰坡防护施工........................................................................................103.3.3洞口排水沟...............
