ABSTRACT

In order to explore the effect of short-cut basalt fiber on asphalt mixture fatigue performance, AC-13 and SMA-13 aggregate gradations were chosen. Through four-point bending fatigue life test, variation of the fatigue life and cumulative dissipated energy of the asphalt mixtures adding basalt fiber were analyzed. In order to analyze the effect on the anti-fatigue performance of mixture by adding basalt fiber, the formula which was admitted widely was used to fit fatigue test results. The research indicated that the adding of basalt fiber could improve the fatigue performance of asphalt mixture effectively. At the same time, the sensitivity of mixture to strain was reduced and the durability of asphalt concrete pavement could be improved.