In this paper, railway vibration emission is characterized from the vibration power transmitted to the ground. Train/track/ground systems can be considered as a source (train and track system) - receiver (ground) vibration system, where the power density transmitted is expressed from the force density applied to the ground and the ground mobility, both measurable on site. The power transmitted to the ground is first evaluated in a parametric study using a model coupling a numerical 2.5D ground model with a 2D model of the train/track system. The results obtained show the importance of ground properties on the force and power density transmitted. Finally, the approach is applied to an existing site where measurements have been carried out; however, the ground mobility as well as the combined rail-wheel unevenness, not measured, have been calculated in order to estimate force and power densities transmitted to the ground.


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    Title :

    Evaluation of the Vibration Power Transmitted to Ground Due to Rolling Stock on Straight Tracks


    Additional title:

    Notes Numerical Fluid Mech.




    Publication date :

    2021-04-09


    Size :

    9 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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