Abstract:

Based on the foundation pit construction of Fanhu Station of Wuhan Metro, the author introduces the dewatering technologies for foundation pit construction in such hydrogeologic conditions as high confined water level in Hankou area. These technologies include design of dewatering plan, construction technology of dewatering wells, dewatering operation, monitoring during dewatering and sealing measures of the dewatering wells after dewatering construction.

Key words:  , dewatering of deep foundation pitpermeability coefficientmonitoringdewatering well sealing