Basement base plate watertightness structure

The utility model discloses a basement base plate watertightness structure, including waterproof frame, reinforced concrete layer, drain bar, screed -coat and waterproof layer, waterproof frame is used for laying along the edge that basement wall body and basement bottom plate intersected vertically, waterproof layer, screed -coat, drain bar and reinforced concrete layer are laid in proper order from bottom to top underground and to be constituted the base plate watertightness layer on the bottom plate of room, the height on base plate watertightness layer and highly equalling of waterproof frame, the base plate watertightness level is in waterproof frame, and the edge on base plate watertightness layer constitutes annular escape canal with waterproof frame. The combination is prevented, is arranged to this waterproof construction with waterproof the becoming by going all out to fight the floods of basement bottom plate, has both practiced thrift the construction investment, makes the engineering not have the