中国水利水电第十四工程局有限公司1陆丰核电厂1、2号机组排水隧洞工程盾构隧洞渗水、漏水封堵方案二〇一七年四月十七日中国水利水电第十四工程局有限公司陆丰项目经理部SINOHYDROBUREAU14LufengProject陆丰核电厂1、2号机组排水隧洞工程砂浆拌和站建设方案(A版)中国水利水电第十四工程局有限公司I目录1编制说明..............................................................................................................................11.1编制目的....................................................................................................................11.2编制依据..................................................................................错误!未定义书签。1.2编制依据....................................................................................................................11.3编制原则....................................................................................................................12工程概况..............................................................................................................................12.1工程简介....................................................................................................................12.2工程地质及水文地质情况........................................................................................22.3区间隧道防水设计情况.............................................................................................33盾构隧道渗漏现象及原因..................................................................................................33.1盾构隧道渗漏现象....................................................................................................33.2隧道渗漏原因............................................................................................................44防水堵漏施工技术..............................................................................................................55堵漏施工工艺......................................................................................................................55.1二次注浆堵漏施工工艺流程....................................................................................55.2管片点装部渗漏堵漏施工工艺流程........................................................................65.3管片接缝渗漏堵漏施工工艺流程............................................................................65.4管片裂缝渗漏堵漏施工工艺流程............................................................................76渗漏部位堵漏施工方案......................................................................................................86.1二次注浆堵漏............................................................................................................86.2管片环缝及纵缝渗漏水处理....................................................................................96.3管片裂缝渗漏水处理................................................................................................96.4管片蹦块处渗漏水处理..........................................................................................106.5螺栓孔及吊装孔渗漏水处理..................................................................................106.6盾构隧道接口渗漏水处理......................................................................................106.7破损管片修补..................................