Seepage-proofing reinforcing structure for large-span cultural relic aqueduct shell groove

The invention relates to the technical field of aqueduct reinforcement, in particular to a large-span cultural relic aqueduct shell groove anti-seepage reinforcement structure which comprises a first shell groove body, a second shell groove body is installed on one side of the first shell groove body, and a base plate is arranged between the first shell groove body and the second shell groove body. A water swelling rubber water stop belt is installed on the top face of the base plate, the top face of the water swelling rubber water stop belt is coated with polyurethane daub, tire base cloth is laid on the top face of the polyurethane daub, protective pads are bonded to the inner wall of the first shell groove body and the inner wall of the second shell groove body, and rubber dam bags are laid on the top faces of the protective pads. And a limiting structure is mounted on the top surface of the first shell groove main body. According to the aqueduct, the two ends of the rubber dam bag are clamped through the