Road -surfacing structure

The utility model provides a road -surfacing structure is included by supreme down in proper order: ground basic unit, cement layer, concrete layer, garrulous rock block cushion layer, screed -coat and surface course, is garrulous rock block cushion layer 10 by the diameter the 40mm rubble constitutes, the screed -coat is formed by the thick aggregate of regeneration, the surface course permeates water the brick by the regeneration fine aggregate lays formation, the surface course both sides are provided with convex curb, the below of curb is provided with the slot near garrulous rock block cushion layer and screed -coat, the slot comprises the steel wire drainage hose at center and the broken stone filter layer of parcel steel wire drainage hose, is broken stone filter layer 's rubble diameter 20 60mm. The utility model discloses a regeneration fine aggregate brick that permeates water, its permeation coefficient is greater than the ordinary brick that permeates water far away for the rainwater is changeed i