Subway station bottom plate water blockage removing structure

The utility model discloses a subway station bottom plate water blockage removing structure which comprises a plurality of dewatering wells, the dewatering wells are arranged on the bottom face of a foundation pit at intervals, a dewatering pipeline is arranged in each dewatering well, reserved holes are formed in the positions, corresponding to the dewatering wells, of a bottom plate, the upper ends of the dewatering pipelines are arranged in the reserved holes, and the lower ends of the dewatering pipelines are arranged in the reserved holes. The outer side wall of the upper end of the precipitation pipeline is outwards convexly provided with an annular water-stop sheet corresponding to the reserved hole, and the upper end of the precipitation pipeline is provided with a valve; all the precipitation pipelines are communicated into a whole through a communication pipe network, and the communication pipe network is arranged below the bottom plate. By the adoption of the dewatering pipeline, underground water