Advertisement

Reducing Impact Loads at Railway Crossings Using Tuned Resilient Elements

  • Yann BezinEmail author
  • Dimitrios Kostovasilis
  • Bello Sambo
Conference paper
  • 13 Downloads
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

The movement of wheels at crossing panels in a railway turnout lead to significant dynamic load amplifications. These in turn lead to high maintenance and unexpected delay costs as cast crossings suffer fatigue damage under repeated load cycles. While improvement to the crossing top surface design can help improve the load transfer and reduce the loads, it remains difficult to manage once on track and once wear and plastic deformation affect the wheel-rail performance. Instead, this work is proposing to introduce additional resilient elements in the zone where the wheel transfers over to the crossing nose, so as to reduce the effect of the dynamic impact loads and thus reduce a range of degradation modes. The effect of resiliently mounting the nose part is assessed using multibody dynamics simulation and shows substantial reduction in rail damage especially as vehicle speed increases. A proxy for first impact load in the form of the second derivative of wheel motion is also proposed.

Keywords

Crossing Nose Wing rail Turnout Load transfer Wheel-rail interaction 

Notes

Acknowledgements

This work was initiated in the EU funded project In2Rail (635900) and is further supported by the UK EPSRC ‘Track to the Future’ project (EP/M025276/1).

References

  1. 1.
    Andersson, C., et al.: Wheel/rail impacts at a railway turnout crossing. IMechE Part F: J. Rail Rapid Transit 212(2), 123–134 (1998)Google Scholar
  2. 2.
    Pålsson, B.A.: A linear wheel-crossing interaction model. IMechE Part F: J. Rail Rapid Transit 232(10), 2431–2443 (2018)Google Scholar
  3. 3.
    Pålsson, B.A.: Optimisation of railway crossing geometry considering a representative set of wheel profiles. Veh. Syst. Dyn. 53(2), 274–301 (2015)CrossRefGoogle Scholar
  4. 4.
    Nicklisch, D., et al.: Geometry and stiffness optimization for switches and crossings, and simulation of material degradation. IMechE Part F: J. Rail Rapid Transit 224(4), 279–292 (2010)Google Scholar
  5. 5.
    Grossoni, I., et al.: Optimisation of support stiffness at railway crossings. Veh. Syst. Dyn. 56(7), 1072–1096 (2018)CrossRefGoogle Scholar
  6. 6.
    Wan, C., et al.: Optimisation of the elastic track properties of turnout crossings. IMechE Part F: J. Rail Rapid Transit 230(2), 360–373 (2016)Google Scholar
  7. 7.
    CAPACITY4RAIL: Deliverable D1.3: operational failure modes of S&Cs (2014)Google Scholar
  8. 8.
    Jenkins, H.H., et al.: The effect of track and vehicle parameters on wheel/rail vertical dynamic forces. Railw. Eng. J. 3(1), 2–16 (1974)Google Scholar
  9. 9.
    NR/L2/TRK/012 ISSUE 3, Railway CrossingsGoogle Scholar

Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.University of HuddersfieldHuddersfieldUK

Personalised recommendations