The Application Of Bridge Deck Waterproof Layer Of Modfied Asphalt Sand

The damage of bridge deck waterproof layer is one of the most important asphalt bridge deck disease,and solving the layer material quality can assure the durability of bridge deck.The text has analysised the problems of the common waterproof materials and researched the pavement performance of asphalt sand waterproof material.After researching the current situation of the concrete bridge deck waterproof in Liaoning Province,we have analysised the kinds of bridge deck diseases and the current problems,and gived the advices;Then we have done expriments.According to waterproof and anti-shearing expriments,we has researched the pavement performance of asphalt sand waterproof material and gived the best proportion of the waterproof material.After the expriments,we did calculation of bridge deck,and gived the quality index of the waterproof layer.At last,according to carrying out projects in Chaoyang and Fushun,Liaoning Province,we has researched the construction craft of the waterproof layer and guided the projects.Then we have researched the quality index based on the projects.The text has solved the problem of the bridge deck quality,which has some practical values and some guiding meaning of selecting materials and construction.