Abstract

As asphalt Pavement possesses the characteristics of comfort and ease to maintenance, it exerts usually in the road construction. Heavy axle load and high wheel pressure make the asphalt road prone to rutting damage. Based on the constitutive model of asphalt mixture, the paper analyzes mechanical properties of modulus, shear force and peak deflection value for different asphalt surface course after adding the rutting agent using the finite element method. Finally the paper acquires mechanism of variation in rutting, which provides an important theoretical basis for the final asphalt pavement structural design.

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