【摘要】 以北京地铁四号线北宫门车站施工场地土层性质、水文地质条件及周围环境特征为基础,结合工程特点,分析了车站基坑施工过程中可能出现的问题,对降水方案进行了设计,得到了各不同降水参数。根据所设计方案进行了工程降水施工,降水效果表明了设计方案的可行性。更多还原

【Abstract】 Based on the soil properties,hydrogeology condition,and the surrounding environment characteristics of the construction site at the station of Beijing subway line 4,combined with the characteristics of engineering,this paper analyzes some problems that may accur during the construction of fundation.By the design of rescipitation scheme,we get differernt precipitation parameters.Based on the designed schemes,we has made the precipitation construction.The precipitation effect show the feasibility of the scheme.更多还原