Prediction of asphalt mixtures fatigue properties using damage mechanics

A method that was used to analyze cement concrete fatigue and damage was put forward by A.Alliche and D.Francois. Using this method to calculate asphalt mixtures fatigue life, it is found that there is much differences between its result and testing result, the result is related with the parameter of forecast model, the damage evolvement of asphalt mixtures is different with that of cement concrete. The rule of asphalt mixtures damage evolvement was put forward based on a new method. Its forecast result was compared with testing result.It is shown that this method is scientific, moreover, its prediction is accurate.