中铁某局**项目隧道质量缺陷整治方案编制人：审核人：审批人：中铁某局集团有限公司**项目2019年8月目录1编制依据.....................................................................12编制范围及目的...............................................................13工程概况.....................................................................13.1工程概述...................................................................13.2主要技术标准...............................................................23.3工程特点...................................................................23.4地震动参数.................................................................24隧道质量缺陷的整治原则.......................................................35隧道质量缺陷的类型...........................................................36脱空整治方案.................................................................36.1原因分析...................................................................36.2整治措施...................................................................36.3二衬与初支间脱空处理措施...................................................36.4初支与基岩面脱空处理措施...................................................77衬砌欠厚整治方案.............................................................97.1原因分析...................................................................97.2程度判定..................................................................107.3整治措施..................................................................107.4拱墙欠厚拆换处理措施......................................................107.5拱墙欠厚钻孔注浆与锚固补强处理措施........................................138衬砌局部裂缝整治方案........................................................178.1原因分析..................................................................178.2整治措施..................................................................178.3沿缝凿孔压浆处理措施......................................................178.4沿缝凿槽压浆处理措施......................................................198.5施工注意事项..............................................................209钢筋外露与保护层不足的整治