Urban water circulation seepage and drainage structure based on sponge

The invention discloses a water circulation seepage and drainage structure based on a sponge city, and relates to the technical field of city sponge systems, the water circulation seepage and drainage structure based on the sponge city comprises a vehicle separation green belt arranged between lanes and a sidewalk green belt arranged between the lanes and the sidewalk, and road water permeable bricks are laid on the ground of the sidewalk. Road water outlets communicated with the catch basin below the ground are formed in the positions, close to the vehicle separation green belts and the sidewalk green belts, of the lanes and the sidewalks, and the road water outlets in the lanes and the sidewalks are formed in the two sides of the catch basin respectively. The periphery of the three-dimensional drainage grid can drain water, when the lower position close to the ground is blocked by leaves, water can be continuously drained along with rising of the water level of the road surface, and due to the fact that the