High-speed rail closed layer expansion joint water stop belt and water stop structure

The utility model provides a high-speed rail closed layer expansion joint water stop belt and a water stop structure. The water stop belt comprises a belt body, the two sides of the top face of the belt body are each provided with at least one water stop rib, and the water stop ribs extend in the length direction of the water stop belt. An expansion joint of the water stop structure is formed between a first structure and a second structure which are formed by pouring concrete, the water stop structure comprises a water stop belt, and the water stop belt is arranged at the bottom of the expansion joint and extends in the length direction of the expansion joint. The water stop ribs on the two sides of the top face of the belt body are arranged at the bottom of the first structure and the bottom of the second structure respectively and poured into a whole with the first structure and the second structure. Compared with the prior art, the water stop structure has the advantages that the water stop ribs are arran