Aging mechanism and a model to predict the anti-aging performance of asphalt pavement in the airport were proposed.Three kinds of asphalts were aged at four temperatures in a standard atmosphere for different periods,and high true performance grades(PG)were determined using a dynamic shear rheometer(DSR).It is found that high true PG of the three kinds of asphalts is increasing with the aging conditions.But the growth rates of high true PG of the three binders are different at the same aging condition.The p...
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