3D Modeling and Nonlinear Analysis Stability of CWR Tracks

Albinović, Sanjin; Dolarevic, Samir; Marusic, Dusan

doi:10.1007/978-3-319-71321-2_41

Cited by 1 publication

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“…The approach looks for step changes in the curvature as seen by the bogie, using sensors fitted to Instrumented Revenue Vehicles designed and successfully installed by Institute of Railway Technology at Monash University. A comprehensive review of the methods and the software tools for the 3D modeling and nonlinear analysis stability of CWR tracks is presented in [22]. The methods are analyzed and compared.…”

Section: Review Of the Current Studiesmentioning

confidence: 99%

Monitoring and Evaluation of the Lateral Stability of CWR Track

Atapin

Bondarenko

Sysyn

et al. 2021

J Fail. Anal. and Preven.

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Continuous welded rail (CWR) track has great advantages of low-cost maintenance, environmental influence, and ride comfort. However, the CWR track is subjected to the longitudinal stresses in rails due to temperature influence as well the inhomogeneous stress accumulation due to train loadings. The stresses cause the accelerated track lateral irregularity accumulation that without timely maintenance can cause track buckling. The present paper present a method of the CWR track lateral stability estimation during its lifecycle using the track geometry monitoring information from the track measurement cars. The methods proposes a systematic approach of track stability evaluation based on multiple criteria of track stability evaluation. It takes into account the lateral resistance of the track, actual temperatures, and the lateral geometry condition of the track. The presented case study of a half-year track geometry monitoring and the track stability evaluation in a track curve shows the practical possibility of the recent detection of the track sections with low lateral stability and buckling prevention.

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Section: Review Of the Current Studiesmentioning

confidence: 99%