**区**广场基坑支护降水工程（含止水帷幕）专项施工方案****岩土工程有限公司二○一六年五月三日目 录一、基坑工程编制及施工依据............................................................................................................1二、工程概况与周边环境条件............................................................................................................2（一）工程概况.............................................................................................................................2（二）周边环境条件.....................................................................................................................4三、工程地质条件与水文地质条件....................................................................................................5（一）地形、地貌.........................................................................................................................5（二）区域地层概况.....................................................................................................................5（三）地质构造.............................................................................................................................5（四）工程地质条件.....................................................................................................................6（五）水文地质条件.....................................................................................................................7（六）岩土参数建议值.................................................................................................................7（七）场地和地基的稳定性.........................................................................................................7（八）地基土承载力特征值.........................................................................................................8（九）基坑支护降水岩土设计参数.............................................................................................8四、基坑支护及降水设...
