南广铁路大岭一号隧道缺陷整治专项方案编制：校核：审核：批准：0中国电建集团路桥公司二〇一六年十二月1编制依据及原则............................................................................................................................21.1编制依据............................................................................................................................21.2编制原则............................................................................................................................22编制说明.......................................................................................................................................21.1工程概况............................................................................................................................21.2隧道缺陷简介....................................................................................................................23缺陷处理原则及工序....................................................................................................................53.1二衬厚度不足段整治........................................................................................................63.1.1分区域对缺陷衬砌进行凿除................................................................................63.1.2加固缺陷衬砌........................................................................................................73.1.3恢复衬砌................................................................................................................83.1.4注浆充填加固......................................................................................................103.2空洞整治..........................................................................................................................104施工组织布置及规划..................................................................................................................114.1组织机构..........................................................................................................................114.2施工通道..........................................................................................................................114.3施工风、水、电..............................................................................................................124.4现场临时堆放场..............................................................................................................125进度计划及资源配置..................................................................................................................125.1进度计划..........................................................................................................................125.2资源配置..........................................................................................................................136具体整治方案..............................................................................................................................136.1二衬厚度不足段整治......................................................................................................136.1.1施工准备..............................................................................................................146.1.2凿除二衬砼及欠挖围岩...................................................
