Application study on urban building debris as base course of surface

The billion ton of urban building debris will be manufactured by modern building industry. How to solve these waste material is a important problem all over world country. Urban building debris is selected, eliminated and smashed by some methods for the measure problem of urban building debris. It is recycled a new aggregation, adds some other material, It may made use of the city road material, such as subgrade filler, bed course of surface, base course of surface and surface material of the off-grade road. Puts forward strength mechanism of base course of surface. Studies pavement performance of different gradation through lots of indoor tests. The results show that urban building debris is desired material of pavement. According to this method, not only decrease volume of urban building debris and environments pollution, but also save building material, hold a better economic benefits.