光谷地下空间深基坑土方开挖施工方案

中国建筑工程总公司CHINASTATECONSTRUCTIONENGRCCP光谷中心城中轴线区域地下公共交通走廊及配套工程神墩一路段深基坑施工专项方案神墩一路段深基坑施工专项方案中建三局集团有限公司光谷中心城中轴线区域地下公共交通走廊及配套工程总承包管理部二0一六年十一月目录目录第1章编制说明..................................................................................................................................................11.1编制依据.................................................................................................................................................11.2法律法规、规范及标准.........................................................................................................................11.2.1编制依据......................................................................................................................................11.2.2企业管理体系标准文件..............................................................................................................2第2章工程概况..................................................................................................................................................32.1项目参建单位概况.................................................................................................................................32.2总体工程地理位置概况.........................................................................................................................32.3工程施工范围.........................................................................................................................................42.4基坑工程设计概况.................................................................................................................................42.5工程地质概况.......................................................................................................................................142.6水文地质概况.......................................................................................................................................152.7周边场地概况.......................................................................................................................................162.8工程重难点分析...................................................................................................................................17第3章施工总体部署........................................................................................................................................203.1施工部署原则.......................................................................................................................................203.2神墩一路段施工部署总体思路...........................................................................................................203.2.1桩基施工部署............................................................................................................................203.2.2桩基阶段材料运输....................................................................................................................213.2.3土方开挖及内支撑施工部署....................................................................................................223.3总体施工流程.......................................................................................................................................673.4施工准备...............................................................................................................................................673.4.1施工技术准备............................................................................................................................673.4.2各种资源准备............................................................................................................................68第4章施工进度计划........................................................................................................................................714.1施工进度计划.......................................................................................................................................714.2施工进度计划图...................................................................................................................................71第5章施工总平面布置....................................................................................................................................725.1施工总平面布置原则和现状...............................................................................................................725.1.1平面布置原则............................................................................................................................72第6章主要分部分项施工方案........................................................................................................................746.1测量方案...............................................................................................................................................746.1.1测量仪器....................................................................................................................................746.1.2施工测量方案............................................................................................................................746.2桩基施工方案.......................................................................................................................................796.2.1桩基概况....................................................................................................................................796.2.2施工流程....................................................................................................................................876.2.3施工准备....................................................................................................................................886.2.4施工方法....................................................................................................................................896.2.5质量保证措施..........................................................................................................................1026.2.6质量控制要点..........................................................................................................................1046.2.7安全控制措施..........................................................................................................................1056.3土方开挖施工方案.............................................................................................................................1066.3.1土方开挖施工流程..................................................................................................................1066.3.2施工准备..................................................................................................................................1076.3.3季节性施工措施......................................................................................................................1126.3.4危险源辨识..............................................................................................................................1136.3.5土方车辆行走路线..................................................................................................................1156.3.6土方开挖拟采取的措施..........................................................................................................1166.3.7开挖过程中的注意事项..........................................................................................................1176.3.8土方开挖及出土施工时间计算..............................................................................................1176.3.9质量保证管理措施..................................................................................................................119