呼和浩特地铁1号线长乐宫站深基坑降水方案编制：复核：批准：中铁四局集团有限公司2015年9月3日目录1编制说明..........................................31.1编制依据....................................................................................................31.2编制范围....................................................................................................32工程简介..........................................32.1工程概况.....................................................................................................32.2周边环境及管线分布..................................................................................32.3工程地质及水文..........................................................................................42.3.1地质情况...................................................................................................42.3.2水文情况...................................................................................................53降水及排水方案....................................53.1降排水设计及布置......................................................................................53.2降水计算......................................................................................................73.2.1降水参数选取............................................................................................73.3降水井降水含砂率的要求...........................................................................83.4含砂量的控制..............................................................................................93.5施工工艺及措施..........................................................................................93.5.1工艺流程...................................................................................................93.5.2施工准备.................................................................................................103.5.3施工技术措施..........................................................................................104、施工保证措施.....................................134.1工期保证的组织措施................................................................................134.2保证工期的技术措施................................................................................144.3资源保证措施............................................................................................154.4质量控制措施............................................................................................154.5安全及环境保护措施................................................................................165安全、文明施工及环境保护措施.....................185.1安全施工措施............................................................................................185.1.1钻机安全技术措施...................................................................................185.1.2吊车安全技术措施...................................................................................185.1.3施工现场安全用电技术措施.....................................................................195.2文明施工....................................................................................................191编制说明1.1编制依据1）呼工可方案2）国家现行有关施工及验收规范、规则、质量技术标准3）我公司在其它地铁施工中积累的经验及对地铁施工的研究成果和技术储备。1.2编...
