Analysis of Influence by Filler-Bitumen Ratio to Performance of Asphalt Pavement

Filler-bitumen ratio has obvious influence to performance of asphalt pavement,a proper filler-bitumen ratio will be the key for asphalt mixture design and construction control.By analyzing high temperature, low temperature,anti-water damage and anti-fatigue performance of asphalt grout and asphalt mixture under different filler-bitumen ratio,this paper suggests the suitable range of filler-bitumen ratio for Chongqing expressways.