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This document summarizes research on how train rolling stock influences ground vibration. It finds that wheel and rail imperfections are major causes of dynamic excitation of ground vibration. Simulation studies show that reducing unsprung mass and optimizing suspension parameters can lower vibration over 25 Hz. Measurements of different train types found freight trains generated higher vibrations, likely due to wheel flats rather than just higher axle loads. Future work involves combining more complex vehi

Author

Pedro Henriques

Language

EN