Rigid waterproof structure for basement

The utility model relates to a rigid waterproof structure for a basement, which belongs to the field of waterproof structures and comprises an outer wall, a bottom plate is arranged on the inner side of the outer wall, a mounting plate is fixedly connected between the bottom plate and the outer wall, and a drainage channel is arranged below the mounting plate. A dredging assembly is arranged at the bottom of the bottom plate, a bottom wall is arranged below the outer wall, and the dredging assembly collects accumulated water on the bottom plate and enables the accumulated water to flow into the drainage channel to be drained. The bottom wall is arranged to be fixed to the outer wall and the bottom plate, the overall rigid strength of a basement and the indoor temperature are guaranteed through the rigid structure layer and the heat preservation layer, the gridding cloth on the isolation layer is matched with the waterproof layer, and on the premise that the outer wall and the bottom plate have the waterproof