Squats on the Great Britain rail network: Possible root causes and research recommendations

نویسندگان

چکیده

Rail squats are a type of isolated railhead fatigue defect that costs Network millions pounds every year. Despite significant research into the topic there is still lack detailed understanding on how initiated and propagated or best methods to maintain track in order manage squat defects. This paper presents correlation analysis examining which characteristics might be associated with initiation development defects Great Britain (GB) railway network. Data was analysed for 4265 from three routes (two Intercity one Suburban route) using records seven year period between 2011 2017. The show different route (such as geometry, type/number vehicles traction braking cycles maintenance activities) would have an important influence probability results suggest rail grinding method control squats. There some evidence, based limited data suburban route, rates could reduced by 85–90% if combined wear traffic exceeds 0.2 mm/year.

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ژورنال

عنوان ژورنال: International Journal of Fatigue

سال: 2021

ISSN: ['1879-3452', '0142-1123']

DOI: https://doi.org/10.1016/j.ijfatigue.2021.106267