Drainage device for water -permeable asphalt road

• Main Authors: FENG ZHANQIANG, LI PEIZHI, LIANG MENGLONG
• Format: Patent
• Language: Chinese; English
• Published: 02.02.2018
• Subjects: CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES; CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, ORTHE LIKE; FIXED CONSTRUCTIONS; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR

The utility model provides a drainage device for water -permeable asphalt road, include: the permeable asphalt layer, it is laid by the permeable asphalt mixture, and its dynamic porosity is 18~22%, the permeable bed, its rubble by the particle diameter is 15~20mm is laid, the both sides of the bottom of permeable bed are provided with the drain box, the drain box is laid along road surface extending direction, a horizontal terminal surface and the curb that sets up in the road surface both sides of drain box link up, the drain box is the cavity body, and the radian of both ends face is unanimous with the road surface about it, the up end and the terminal surface that the curb links up is provided with a plurality of through -holes, the curb, it sets up the marginal side on the road surface, the curb with the terminal surface that the drain box links up is provided with a plurality of guide the wash port of the ponding outflow in the drain box, the height that highly is higher than theroad surface of curb. Th