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Title: Excessive ground vibrations associated with trains travelling at trans-rayleigh speeds
Authors: Krylov, Victor V.
Keywords: Ground vibrations
High-speed railways
Ground vibration boom
Issue Date: 2001
Publisher: © EURONOISE
Citation: KRYLOV, V.V., 2001. Excessive ground vibrations associated with trains travelling at trans-rayleigh speeds. IN: Tsahalis, D.T.E. (ed.)Proceedings of the 4th European Conference on Noise Control (EURONOISE 2001), 14-17 January 2001, Patras, Greece, pp. 369 - 377
Abstract: A very large increase in ground vibrations generated by high-speed trains (ground vibration boom) has been predicted theoretically in 1994 by the present author. The first experimental observation of this phenomenon was reported in 1997 by C. Madshus who worked with his team on the assessment of the newly opened high-speed railway line from Gothenburg to Malmo in Sweden. As the ground on the site of observation was very soft, the ground vibration boom could be observed for train speeds as low as 160 km/h. It is now well understood that excessive vibrations associated with ground vibration boom represent a serious hazard for the built environment, especially in the cases where high-speed lines are built on very soft soil. The present paper reviews the current status of the theory of ground vibration boom from high-speed trains. Among the problems to be discussed are contributions of different generation mechanisms, effect of track wave resonances on generated ground vibrations, effects of layered geological structure of the ground, waveguide effects of the embankments, and focusing of generated waves due to the track curvature. The results of theoretical calculations are compared with the existing experimental observations.
Description: This conference paper was presented at the 4th European Conference on Noise Control: EURONOISE 2001, Patras, Greece, 14-17 January 2001 [© EURONOISE]: http://www.eaa-fenestra.org/
Version: Accepted for publication
URI: https://dspace.lboro.ac.uk/2134/9608
ISSN: 2226-5147
Appears in Collections:Conference Papers and Presentations (Aeronautical and Automotive Engineering)

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