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Cost-Based Optimization of Track Geometry Inspection
Luleå tekniska universitet, Drift, underhåll och akustik.ORCID iD: 0000-0002-3266-2434
Luleå tekniska universitet, Drift, underhåll och akustik.ORCID iD: 0000-0001-7083-4009
Machine Design and Production Engineering Lab, Research Institute for the Science and Management of Risks, University of Mons.
Trafikverket.
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2016 (English)Conference paper, Oral presentation only (Refereed)
Abstract [en]

Track geometry bear huge static and dynamic forces that accelerate degradation process. As a result, railway track should be inspected regularly to detect geometry faults and to plan maintenance actions in advanced. An inspection plan that minimizes track maintenance cost is highly desirable by infrastructure managers. This paper proposes constructing an integrated model to identify the optimum track geometry inspection interval. To this end, it develops a long term prediction model combining degradation, shock event, and tamping recovery models. It applies the Wiener process to model track geometry degradation, simulates shock event times using an exponential distribution, and uses a probabilistic model to model recovery after tamping. With the proposed integrated model and simulation, it is possible to identify the optimum track geometry inspection frequencies that minimize total track maintenance costs.

Place, publisher, year, edition, pages
2016.
Series
Trafikverkets forskningsportföljer
National Category
Other Civil Engineering
Research subject
FOI-portföljer, Vidmakthålla
Identifiers
URN: urn:nbn:se:trafikverket:diva-6072Local ID: c55ed309-0501-42a8-805f-d86f7f125a90OAI: oai:DiVA.org:trafikverket-6072DiVA, id: diva2:1744162
Conference
World Congress of Railway Research : 29/05/2016 - 02/06/2016
Projects
Simulering av spårgeometri
Funder
Swedish Transport Administration, TRV 2017/123291
Note

Godkänd; 2016; 20160826 (solmei)

Available from: 2023-03-17 Created: 2023-03-17 Last updated: 2023-03-17Bibliographically approved

Open Access in DiVA

fulltext(235 kB)60 downloads
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2cd883da929b089ab42be8ecc89ff0ef5f81d1ebc149f6773a2f3ab69f3f72593c5e2d68b06524d2d571b93dcc5bcd782e9e0a175a701ca78b691cf782f8d7c6
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Soleimanmeigouni, ImanAhmadi, AlirezaKumar, Uday

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf