Abstract
According to the different powder oil ratio of asphalt mixture rutting experiment at high temperature, rotary experimenting machine, for different powder oil ratio dynamic shear experiment of asphalt mortar, using the scanning electron microscope observation on the microstructure of asphalt mortar, powder oil ratio on mixture high temperature stability influence. The experiment results show that: powder oil ratio is larger, stronger anti rut ability, and powder oil ratio is affected by the asphalt shear strength to influence high temperature stability of asphalt mixture, and put forward the best powder oil ratio in the range of 0.18~1.2.
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