The utility model discloses a building
sponge structure and a municipal road, which comprises a lane, curbstones and a
green belt, and the curbstones and the
green belt are sequentially arranged on one side or two sides of the lane; a waterproof
asphalt layer, a padding layer and a foundation soil layer are sequentially arranged at the bottom of the lane from top to bottom; the
system is characterized by further comprising a drainage groove, a
water collection pipeline
system, a
water collection pool and an
irrigation pipeline
system, a plurality of drainage ports communicated with the lane are formed in the drainage groove, and the drainage groove is formed in the waterproof
asphalt layer; the water collecting tank is arranged in the waterproof
asphalt layer or in the waterproof asphalt layer and the padding layer, and the water collecting pipeline system is connected between the water collecting tank and one or more drainage grooves; a cover plate flush with the lane and a preliminary filtering structure arranged at the bottom of the cover plate are mounted on each water outlet; a secondary filter layer is arranged in the drainage groove; and a water seal structure is arranged between the water collecting pipeline system and the water collecting tank. A plurality of filtering structures are arranged, so that blockage of the garbage heap
sponge structure is avoided; in addition, a water seal structure is arranged, so that dissipation of
odor in the water collecting tank is isolated.