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A decision support framework for fatigue assessment of steel bridges
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering, Structural Engineering and Bridges. (Bro- och stålbyggnad)ORCID iD: 0000-0002-2833-4585
RISE.ORCID iD: 0000-0001-5879-7305
2018 (English)In: Engineering Failure Analysis, ISSN 1350-6307, E-ISSN 1873-1961, Vol. 91, p. 306-3014Article in journal (Refereed) Published
Abstract [en]

Many bridges are approaching or have already passed their expected service life. For steel bridges, fatigue is often the decisive degradation phenomenon that theoretically puts restrictions on a continued use. At the same time, fatigue is also afflicted with large uncertainties on the resistance side as well as on the action effect side. An accurate assessment of the service life will require measures outside the governing regulations but understanding what steps to take and how to consider the outcome for decisions on interventions can be a difficult task for a non-expert. This paper presents possible assessment actions and a decision support framework for rational decisions on interventions to extend the theoretical service life of existing bridges. A case study of a critical railway bridge is incorporated to demonstrate the framework. The aim is to provide a tool for bridge managers on how to evaluate and procure different assessment actions.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 91, p. 306-3014
Keywords [en]
Bridges; Fatigue; Risk; Decisions; Monitoring
National Category
Civil Engineering
Research subject
Civil and Architectural Engineering
Identifiers
URN: urn:nbn:se:kth:diva-227166DOI: 10.1016/j.engfailanal.2018.04.033ISI: 000434390500024OAI: oai:DiVA.org:kth-227166DiVA, id: diva2:1203342
Note

QC 20180509

Available from: 2018-05-03 Created: 2018-05-03 Last updated: 2018-06-25Bibliographically approved

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Leander, JohnHonfi, DánielLarsson Ivanov, OskarBjörnsson, Ívar
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CiteExportLink to record
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  • apa
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  • Other locale
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