An unsteady vehicle-road coupling dynamic response of a multi-layer plate on a viscoelastic half-space foundation
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Shijiazhuang Tiedao University, School of Transportation, Shijiazhuang, China
Shijiazhuang Tiedao University, State Key Laboratory of Mechanical Behavior in Traffic Engineering Structure and System Safety, Shijiazhuang, China
Shijiazhuang Tiedao University, School of Civil Engineering, Shijiazhuang, China
Submission date: 2023-02-08
Final revision date: 2023-05-02
Acceptance date: 2023-05-16
Online publication date: 2023-06-19
Publication date: 2023-07-31
Corresponding author
Zhan-You Yan   

State Key Laboratory of Mechanical Behavior in Traffic Engineering Structure and System Safety; School of Civil Engineering, Shijiazhuang Tiedao University, China
Journal of Theoretical and Applied Mechanics 2023;61(3):521-531
To study the dynamic response of roads under non-stationary random excitation, a dynamic differential equation is constructed firstly based on a two-axle half car model, and white noise to simulate road roughness is then filtered. Finally, non-stationary responses of different vehicle acceleration conditions are obtained. An infinite multi-layer plate on a viscoelastic half-space foundation as a model of the road structure and an analytical solution for the road dynamic response are obtained. Based on a numerical example, the dynamic response of a four-layer road model under vehicle loads is discussed. The study fills the gap in the theory of multi-wheel vehicle models.
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