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Evaluation of the e...
Evaluation of the effect of tamping on the track geometry condition: A case study
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- Soleimanmeigouni, Iman (författare)
- Luleå tekniska universitet,Drift, underhåll och akustik
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- Ahmadi, Alireza (författare)
- Luleå tekniska universitet,Drift, underhåll och akustik
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- Arasteh Khouy, Iman (författare)
- Luleå tekniska universitet,Drift, underhåll och akustik
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- Letot, Christophe (författare)
- Machine Design and Production Engineering Lab, Research Institute for the Science and Management of Risks, University of Mons, Mons, Belgium
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(creator_code:org_t)
- 2016-10-19
- 2018
- Engelska.
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Ingår i: Proceedings of the Institution of mechanical engineers. Part F, journal of rail and rapid transit. - : Sage Publications. - 0954-4097 .- 2041-3017. ; 232:2, s. 408-420
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Tamping is one of the major activities applied by railway maintenance managers to recover track geometry condition. Modelling the tamping effectiveness along with track geometry degradation is essential for long term prediction of track geometry behaviour. The aim of this study is to analyse theeffect of tamping on the different track geometry measures, i.e. longitudinal level, alignment and cant; on the basis of inspection car records from a part of Main Western Line in Sweden. To model recovery after tamping a probabilistic approach is applied. The track geometry condition before tamping was considered as the dominant factor for modelling the model parameters. Correlation analysis has performed to measure the linear relation between the recoveries of the different geometry measures. The results show a moderate correlation between the recovery of the longitudinal level and that of the cant, and a weak correlation between the recovery of the longitudinal level and that of the alignment. Linear regression and Wiener process are also applied to model track geometry degradation and to obtain degradation rates. Theeffect of tamping on degradation rate is analysed. It is observed that the degradation rate was increased after tamping intervention.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Annan samhällsbyggnadsteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Other Civil Engineering (hsv//eng)
Nyckelord
- Correlation analysis
- geometry measures
- probabilistic model
- railway maintenance
- tamping
- tamping effectiveness
- track degradation
- track geometry
- Weiner process
- Operation and Maintenance Engineering
- Drift och underhållsteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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