Abstract
Ground-borne vibration measurements of high-speed train operations were carried out in France for the TGV and Eurostar trains, in Italy for the Pendolino trains, and in Sweden for the X2000 trains. The measurements were made to develop vibration-prediction models for a new guidance manual published by the U.S. Federal Railroad Administration on ‘‘High Speed Ground Transportation Noise and Vibration Impact Assessment.’’ The tests included measurements of ground-borne vibration at various distances from the track as well as a procedure to characterize the ground vibration propagation characteristics at each measurement site. The results indicated a wide spread in the vibration data, partly due to differences in the equipment and track condition and partly due to differences in site geology. Further analysis suggested that much of the difference between the trainsets is due to variations in the geology rather than differences in suspension, axle load, or wheel conditions of the trainsets. Applying the characteristics of one type of trainset to different test sites resulted in widely varying ground vibration levels and propagation rates, whereas normalizing the ground vibration from the trainsets to one site substantially reduced the differences in overall vibration level.
Published Version
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call