北京城市铁路东直门车站基坑明挖降水施工技术

Construction Technology of Foundation Pit Precipitation of Dongzhimen Station of City Railway in Beijing

为使深基坑的土方开挖能在基本无水的条件下进行,必须事先做好基坑的降水工作。介绍对深基坑的降水量计算、降水井的布置施作、降水井施作及运营期间的注意事项。

Doing well the precipitation work of deep foundation pit in advance in order to excavate earthwork of foundation pit under the condition without water basically. The calculation of precipitation volume, arrangements, construction and matters needing attention of precipitation well are introduced.