Damping Properties Analysis of Non-ballasted Track of Elastic Support Block
Xinjun Wu
Abstract
Xinjun Wu
Abstract
The elastic supporting piece of track structure model was simulated by means of ANSYS finite element software.In the model DTIII2 buckles,the elastic supporting piece of the track was used to support the elastic supporting the load of the DTIII2 buckles under the wheel/rail force.Through the combination of a residential area underground rail vibration,the site selection for different points of vibration response was calculated.The results show that in the model,the ground vibration response value is accord with the measured data results,while the track and tunnel in vibration response value of measuring point is slightly higher than the measured data.
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The elastic supporting piece of track structure model was simulated by means of ANSYS finite element software.In the model DTIII2 buckles,the elastic supporting piece of the track was used to support the elastic supporting the load of the DTIII2 buckles under the wheel/rail force.Through the combination of a residential area underground rail vibration,the site selection for different points of vibration response was calculated.The results show that in the model,the ground vibration response value is accord with the measured data results,while the track and tunnel in vibration response value of measuring point is slightly higher than the measured data.
Key concepts: Track (disk drive), Vibration, Structural engineering, Finite element method, Block (permutation group theory), Engineering, Point (geometry), Acoustics