隧道进洞施工技术方案 （非常全面）பைடு நூலகம்
目录
第一章 编制说明.......................................................................................................................................4 1.1 编制依据......................................................................................................................................4 1.1.1 招标设计文件....................................................................................................................4 1.1.2 技术标准、规范和规程 ................................................................................................... 4 1.2 编制目的......................................................................................................................................4 1.3 适用范围......................................................................................................................................4
第三章 施工准备.......................................................................................................................................7 3.1 人员配备......................................................................................................................................7 3.2 机械设备......................................................................................................................................8 3.3 材料计划.......................................................................................................................................8 3.4 施工进度计划..............................................................................................................................8
第二章 工程概况.......................................................................................................................................5 2.1 工程简介......................................................................................................................................5 2.2 地质概况......................................................................................................................................7
第四章 施工方案.....................................................................................................................................10 4.1 总体施工工艺.............................................................................................................................10 4.2 边仰坡施工................................................................................................................................. 11 4.2.1 边仰坡施工工艺流程...................................................................................................... 11 4.2.2 边仰坡测量放样及测量复测 ......................................................................................... 11 4.2.3 洞外截水沟施工.............................................................................................................12 4.2.4 开挖及边仰坡防护..........................................................................................................12 4.3 进洞管棚施工............................................................................................................................17 4.3.1 钻机工作平台开挖..........................................................................................................17 4.3.2 测量放线..........................................................................................................................17 4.3.3 施作混凝土套拱、安设孔口管 ......................................................................................17 4.3.4 封闭开挖面......................................................................................................................20 4.3.5 钻孔..................................................................................................................................20 4.3.6 管棚的加工......................................................................................................................21 4.3.7 注浆..................................................................................................................................21 4.4 开挖进洞....................................................................................................................................22 4.4.1 超前地质预报..................................................................................................................22 4.4.2 双侧壁导坑法施工工艺..................................................................................................24 4.4.3 监控量测..........................................................................................................................25 4.5 钻眼爆破施工.............................................................................................................................27 4.5.1 爆破技术参数..................................................................................................................27 4.5.2 单位炸药消耗量..............................................................................................................27 4.5.3 炮眼直径..........................................................................................................................28 4.5.4 炮眼深度..........................................................................................................................28 4.5.5 炮眼数目..........................................................................................................................28 4.5.6 炮眼利用率......................................................................................................................28 4.5.7 炮眼布置..........................................................................................................................29 4.5.8 施工方法..........................................................................................................................32