横~番区间2#中间风井地连墙专项施工方案中铁建华南建设有限公司广州市轨道交通十八和二十二号线项目三分部二○一八年三月目录第1章编制依据及原则...............................................................................................11.1编制依据................................................................................................................11.2编制原则................................................................................................................2第2章工程概况..........................................................................................................22.1工程简介................................................................................................................22.2工程地质和水文地质条件....................................................................................32.3围护结构工程概况................................................................................................5第3章施工总体安排...................................................................................................73.1施工安排................................................................................................................73.2组织机构................................................................................................................73.3工期计划................................................................................................................73.4人员、设备投入计划............................................................................................83.5施工准备................................................................................................................9第4章地下连续墙施工.............................................................................................124.1地下连续墙施工工艺流程..................................................................................124.2地下连续墙具体施工方法..................................................................................13第5章各项施工控制技术措施.................................................................................345.1导墙施工技术措施..............................................................................................345.2成槽施工技术措施..............................................................................................345.3槽底沉渣控制技术措施......................................................................................355.4钢筋笼制作、吊放控制措施..............................................................................375.5钢筋笼吊装..........................................................................................................385.6水下混凝土浇灌技术控制措施..........................................................................415.7接头技术控制措施..............................................................................................415.8渗漏水的预防及补救措施..................................................................................42第6章质量控制........................................................................................................436.1质量目标..............................................................................................................436.2质量保证体系............................................................