2007•Journal of Railway Science and EngineeringRequires access

Moving train axle-load induced ground vibration and mitigation

Chen Xi-cheng

Abstract

According to the dynamic theory,using finite element method,a three-dimensional numerical analysis model was established to analyze the response of ground vibration generated by moving axel loads of the train.The characteristics of the ground vibration propagation and the reduction effectiveness of the open trench were studied considering the influence of speed of the train composed by three vehicles.The results show that the vertical ground vibration is greater than the lateral ground vibration.The open trench has a good reduction effectiveness for the vibration generated by moving axle-load.

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Key concepts: Vibration, Trench, Ground vibrations, Axle, Structural engineering, Finite element method, Reduction (mathematics), Axle load