2014•Applied Mechanics and MaterialsOpen access

Influence of Heavy Axle Load on Dynamic Response of Semi-Rigid Base of Asphalt Pavement

Qiao Ru Li, Dong Zhi Liu, Ji Shu Sun, Jian Rong Lu

Abstract

In order to study the dynamic response law of semi-rigid base of asphalt pavement under heavy load traffic, the viscoelastic system model under heavy load was established based on measured loading pattern and axle load distribution with the finite element software ANSYS12.0. Heavy load traffic effect on the dynamic response of semi-rigid base of asphalt pavement was discussed . The results show that semi-rigid asphalt pavement structure dynamic response value changed with the increase of axle load; time varying regularity of stress and strain was not the same in different directions.

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Key concepts: Axle load, Viscoelasticity, Structural engineering, Asphalt, Axle, Asphalt pavement, Finite element method, Dynamic load testing