The accelerations induced by different vehicles in the track are studied in the frequency domain from data collected in an extensive measurement campaign in the high speed line Madrid-Barcelona-French Border. In the first section, it will be determined which vehicle induces higher accelerations in the infrastructure taking into account the train model, speed and vehicle configuration (simple or double). Then, the vibration response will be described for the different vehicles running on the track, identifying the contribution of the quasi-static load as well as different dynamic effects typical from ballasted high speed railway tracks. Therefore, the frequency bands in which the different dynamic excitation may appear are calculated, collating the results with the measured accelerations and establishing a cause-effect relationship in the different acceleration spectra.
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