Waterproof structure at joint of prestressed anti-floating anchor rod and water-resistant plate and construction method

The invention discloses a waterproof structure at the connecting position of a prestressed anti-floating anchor rod and a water-resistant plate and a construction method, and belongs to the field of anti-floating anchor rods. The waterproof structure at the connecting position of the prestressed anti-floating anchor rod and the water-resistant plate comprises a concrete prefabricated part, a prestressed anchor cable, a metal hose, the water-resistant plate, an anchor rod cement paste consolidation body and an anchor rod slurry supplementing consolidation body; the concrete prefabricated part comprises a conical cylinder and a cylinder which are connected, the cylinder extends into the anchor hole, the prestressed anchor cable penetrates through the concrete prefabricated part and extends into the anchor hole, the prestressed anchor cable is sleeved with the metal hose, the metal hose is provided with a slurry supplementing pipe, the water-resistant plate is connected with the conical cylinder and the metal ho