Railway tunnel bottom drainage structure

The utility model discloses a railway tunnel bottom drainage structure. The system comprises a central ditch and a water-collecting well, transverse drainage pipes are symmetrically arranged on the two sides of the central ditch in a communicating manner; a plurality of vertical drainage pipes communicated with the transverse drainage pipes are vertically arranged on the transverse drainage pipes,the free ends of the vertical drainage pipes extend into the water collecting well, the water collecting well is filled with a filtering layer, water inlet shower heads are arranged at the bottom ends of the vertical drainage pipes, and the peripheries of the water inlet shower heads are wrapped with seepage and drainage protection sleeves matched with the water inlet shower heads. The device issimple in structure and novel and reasonable in design; the underground water at the bottom of the tunnel is under the action of high-strength seepage water power in a water-rich period; after being filtered by the water colle