Discussion on Preventive Maintenance Treatment for Water-Seepage of Asphalt Concrete Deck

Combining with project practice,this paper introduces the early damage of the superstructure of the asphalt concrete deck pavement caused by water,the preventive test treatment by using water-proof layer on the asphalt concrete deck,the preventive maintenance through paving the asphalt concrete deck,the change of idea of the traditional maintenance that some maintenance job should be done to have the better performance of the road and prolong its service life when the bridge deck does not have the damage.