Reconstruction of old cement concrete pavement.

Domestic most of the original road pavement structure of cement concrete panel. This kind of structure joints and cracks easily, eventually lead to diseases such as fault sets, escapes, pavement damage, and influence the comfort of driving. With the large-scale reconstruction of urban roads, ordinary highways and even highways, the treatment of "white and black" is increasingly applied to the asphalt of old cement concrete road. The way of the old road reconstruction is gradually developing, the choice is diversified, and there are certain problems in the practical application process.