土方开挖施工方案(基坑边坡土钉墙支护)武威红星时代广场北区美凯龙项目工程编制人审核人审批人华太建设集团有限公司2017年4月目录一、编制依据.................................................................................................................11.1相关图纸资料...................................................................................................11.2相关技术标准...................................................................................................1二、工程概况.................................................................................................................1三、工程周边情况.........................................................................................................23.1基坑周边环境条件...........................................................................................23.2基坑使用条件...................................................................................................2四、工程地质条件.........................................................................................................44.1工程地层条件...................................................................................................44.2气象....................................................................................................................64.3水文...........................................................................................................6五、支护结构、土方开挖及地下水控制施工要点......................................................65.1支护结构施工要点...........................................................................................65.1.1土钉墙施工工艺...................................................................................65.1.2施工控制要点........................................................................................85.1.3土方开挖施工要点......................................................................................115.1.4地下水控制措施与施工要点.....................................................................11a、地下水控制措施.......................................................................................11b、施工要点.................................................................................................11六、土方开挖方案.........................................................................................................12a、总体总体部署.................................................................................................12b、施工进度计划...................................................................................................131工期要求.....................................................................................................132工程开工竣工日期.....................................................................................133工期保证措施.............................................................................................134施工平面布置......................................................................................................135施工准备..............................................................................................................13c、土方施工...........................................................................................................141土方施工注意事项............
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