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Reducing train-induced ground-borne vibration by vehicle design and maintenance

Author

Listed:
  • J.C.O. Nielsen
  • A. Mirza
  • S. Cervello
  • P. Huber
  • R. M�ller
  • B. Nelain
  • P. Ruest

Abstract

Wheel out-of-roundness (OOR) and unsprung mass are key railway vehicle parameters influencing the dynamic wheel-rail contact loads and inducing ground-borne vibration. For a given combination of vehicle speed, track/soil conditions and wheel/rail irregularity level, reducing the unsprung mass leads to a reduction in contact loads and vibration at frequencies above the resonance of the wheelset on the primary suspension. Guidelines for reducing unsprung mass are presented, including alternative designs for the wheelset and the suspension of the mechanical drive system. For locomotives and powered bogies, the potential for reduced vibration level is 2-4 dB by improving the drive suspension design. Based on an extensive field measurement campaign, where the influence of several different types of vehicle on vibration level was measured, it was found that the maximum vibration levels were generated by freight locomotives. For several freight locomotives of the same type, a high statistical variance (up to 20 dB) in measured vibration level was observed indicating a significant spread in wheel tread conditions and OOR. Early detection of out-of-round wheels and corrective wheel maintenance are important measures to reduce vibration levels.

Suggested Citation

  • J.C.O. Nielsen & A. Mirza & S. Cervello & P. Huber & R. M�ller & B. Nelain & P. Ruest, 2015. "Reducing train-induced ground-borne vibration by vehicle design and maintenance," International Journal of Rail Transportation, Taylor & Francis Journals, vol. 3(1), pages 17-39, February.
    • Handle: RePEc:taf:tjrtxx:v:3:y:2015:i:1:p:17-39
    DOI: 10.1080/23248378.2014.994260
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    Cited by:

    1. Graham Parry & Steve Summers & David Yates, 2015. "Validating pipe-in-pipe vibration software model to accurately determine ground-borne noise and vibration above construction tunnels," International Journal of Rail Transportation, Taylor & Francis Journals, vol. 3(4), pages 249-260, November.
    2. Lutz Auersch, 2015. "Realistic axle-load spectra from ground vibrations measured near railway lines," International Journal of Rail Transportation, Taylor & Francis Journals, vol. 3(4), pages 180-200, November.

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