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Refined fatigue assessment of an existing steel bridge
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges.ORCID iD: 0000-0002-2833-4585
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges.ORCID iD: 0000-0002-5447-2068
2015 (English)In: Proceeding of 13th Nordic Steel 2015 Construction Conference / [ed] Markku Heinisuo & Jari Mäkinen, Tampere: Tampere University of Technology, 2015Conference paper, Published paper (Refereed)
Abstract [en]

This paper treats the fatigue assessment of existing steel bridges for road traffic. It is focused on the estimation of the load effect. The deterministic assessment methods suggested in governing codes are reviewed and a comparison is performed against a reliability-based assessment. The latter method enables a consideration of reduced uncertainties from measurements of the real load effect. The Vårby Bridge in Sweden, a steel–concrete composite bridge south of Stockholm, is used as a case study. The results show a considerable increase in fatigue life with the use of measurements and a reliability-based assessment. Another conclusion is that the load models in the Eurocode give an unjustified conservative result.

Place, publisher, year, edition, pages
Tampere: Tampere University of Technology, 2015.
Keyword [en]
Fatigue, Steel bridge, Reliability, Design model
National Category
Civil Engineering
Identifiers
URN: urn:nbn:se:kth:diva-174340ISBN: 978-952-15-3579-6 (print)OAI: oai:DiVA.org:kth-174340DiVA: diva2:859000
Conference
Nordic Steel 2015 Construction Conference (NSCC 2015)
Note

QC 20151016

Available from: 2015-10-05 Created: 2015-10-05 Last updated: 2015-10-16Bibliographically approved

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fulltext(974 kB)71 downloads
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Type fulltextMimetype application/pdf

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Leander, JohnKaroumi, Raid

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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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Output format
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