中国交通运输协会  发布ICS93060 CCSP21 团 体 标 准 T/CCTAS161—2024 高压富水隧道施工技术规程 Technicalspecificationforconstructionofhigh-pressurewater-richtunnel 2024-11-20发布 2024-11-20实施 全国团体标准信息平台 全国团体标准信息平台 T/CCTAS161—2024 I目次 前言.................................................................................III 1范围.................................................................................1 2规范性引用文件.......................................................................1 3术语和定义...........................................................................1 4基本规定.............................................................................2 5分类和施工总体要求...................................................................2 5.1一般规定.........................................................................2 5.2高压富水裂隙隧道.................................................................2 5.3高压富水断层隧道.................................................................3 5.4富水岩溶隧道.....................................................................3 5.5富水砂土层隧道...................................................................4 6超前地质预报.........................................................................5 6.1一般规定.........................................................................5 6.2预报内容及要点...................................................................5 6.3预报方法及要求...................................................................5 7注浆.................................................................................6 7.1一般规定.........................................................................6 7.2地表高压旋喷注浆.................................................................7 7.3周边注浆.........................................................................7 7.4高压顶水注浆.....................................................................7 7.5精细化分区注浆...................................................................7 7.6双液回退注浆.....................................................................8 7.7中高压帷幕注浆...................................................................8 7.8径向注浆.........................................................................9 7.9注浆检验及效果评价...............................................................9 8降排水...............................................................................9 8.1一般规定.........................................................................9 8.2轻型井点降水.....................................................................9 8.3地表重力深井降水................................................................10 8.4泄水孔..........................................................................10 8.5泄水洞..........................................................................10 8.6释能降压........................................................................11 8.7反坡排水........................................................................11 8.8清污分流........................................................................11 9开挖................................................................................12 9.1一般规定........................................................................12 9.2台阶法..........................................................................12 全国团体标准信息平台 T/CCTAS161—2024 II9.3多分部开挖法....................................................................12 9.4步距管理........................................................................12 10监控量测...........................................................................12 10.1一般规定.......................................................................12 10.2内容和方法.....................................................................12 10.3自动化监测.....................................................................13 11安全及应急.........................................................................13 11.1一般规定.......................................................................14 11.2施工安全.......................................................................14 11.3应急预案............