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Xiang Jun, He Dan. Analysis model of vertical vibration of high-speed train and Bögle slab track system[J]. Journal of Traffic and Transportation Engineering, 2007, 7(3): 1-5.
Citation: Xiang Jun, He Dan. Analysis model of vertical vibration of high-speed train and Bögle slab track system[J]. Journal of Traffic and Transportation Engineering, 2007, 7(3): 1-5.
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Analysis model of vertical vibration of high-speed train and Bögle slab track system

  • School of Civil and Architectural Engineering, Central South University, Changsha 410075, Hunan, China

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  • Author Bio:

    Xiang Jun(1968-), male, EngD, professor, +86—73l-2656728, jxiang@mail.csu.edu.cn

  • Received Date: 2007-02-12
  • Publish Date: 2007-06-25
    Abstract
  • According to the structural characteristics of Bögle slab track, a new model of lateral finite strip and slab segment element was put forward, and the vertical vibration responses of high-speed train and Bögle slab track system were analyzed.In the model, the locomotive and trailer of high-speed train were regarded as multi-rigid body systems with two suspensions, based on the principle of total potential energy with stationary value in elastic system dynamics and the rule of "set-in-right-position" for formulating system matrixes, the vertical vibration equation set of the system was established, and the equation set was solved by Wilson-θ method. Computation result shows that the new model is correct and feasible, the differences between the vertical static displacements and dynamic displacements of rail and Bögle slab are 1.1×10-2 mm and 2.0×10-4 mm respectively, when train runs at 200 km·h-1, the vertical vibration response waveforms and computation values of the system accord with corresponding physic concepts.

     

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