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中国建筑第七工程局有限公司中旅城二期CHINACONSTRUCTIONSEVENENGINEERINGBUREAU基坑支护及土方开挖施工方案目录0.编制依据........................................................................................................................................31.基坑支护及土方开挖施工的难点和特点....................................................................................42.工程概况........................................................................................................................................62.1工程建设概况............................................................62.2基坑内支撑结构设计概况..................................................62.3场地工程地质条件.......................................................112.3.1场地地形地貌...............................................................................................................................................112.3.2地下室开挖土质及分布情况.......................................................................................................................112.3.3场地水文地质条件及水土对建筑材料评价...............................................................................................112.3.4场地内大门口临时通道处理......................................................................................................................123.施工部署及施工计划..................................................................................................................143.1工程目标...............................................................143.1.1质量目标......................................................................................................................................................143.1.2方案优化及技术目标..................................................................................................................................143.1.3工期目标......................................................................................................................................................143.1.4职业健康安全目标和环境目标..................................................................................................................143.2项目经理部组织机构.....................................................143.3施工阶段划分及施工工艺流程.............................................153.3.1施工阶段划分..............................................................................................................................................153.3.2施工工艺流程..............................................................................................................................................203.4施工准备...............................................................203.4.1施工技术准备..............................................................................................................................................203.4.2施工现场准备..............................................................................................................................................233.4.3施工进度计划..............................................................................................................................................263.4.4施工平面布置............................................................................................