Basement anti-floating drainage well

A bottom plate is arranged in the basement, post-cast strips are arranged on the bottom plate every 30-40 m, drainage wells are arranged on the middle span sections of the post-cast strips, each drainage well comprises a drainage pump and a water collecting well defined by a water collecting well wall plate, the drainage pumps are installed in the water collecting wells, and the drainage pumps are installed in the water collecting wells. The drainage pump is connected to the discharge port through a drainage pipe, an advanced water stop belt is arranged below the post-cast strip, a rubber water stop belt is arranged in the advanced water stop belt, the rubber water stop belt is provided with a water passing channel communicated with the water collecting well, the tail end of the water passing channel is a closed end, and an internally tangent opening is formed after the closed end is cut open. The rubber waterstop of the post-cast strip can drain underground water into a well after being cut, and the steel pl