Abstract
In this chapter, based on the layered plate theory, a 3-D finite element model of the road system is established by ANSYS10.0 software. The time-dependent deflection, stress and strain of the road are obtained by linking together the road surface roughness, a moving heavy duty vehicle, and a multi-layered road system. The road fatigue life is calculated by taking the tensile strain at the bottom of the asphalt surface as the evaluation index. A parametric investigation then is conducted to show the effects of vehicle load, road grade, vehicle moving speed and vehicle parameters on the road fatigue life. The fatigue-induced failure regularity and mechanism of the road system under a moving stochastic load is elucidated.
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Yang, S., Chen, L., Li, S. (2015). Road Dynamic Responses Under Moving Vehicle Loads Based on Three-Dimensional Finite Element Model. In: Dynamics of Vehicle-Road Coupled System. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-45957-7_6
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DOI: https://doi.org/10.1007/978-3-662-45957-7_6
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