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Prolonging the Lifetime of Old Steel and Steel–Concrete Bridges: Assessment Procedures and Retrofitting Interventions
AP& P srl, Rovigo, Italy.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0002-8353-9225
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0003-1435-0071
2019 (English)In: Structural Engineering International, ISSN 1016-8664, E-ISSN 1683-0350Article in journal (Refereed) Epub ahead of print
Abstract [en]

The structural analysis of existing bridges is not widely covered by the various codes and standards, resulting in the insecure and, in some cases, critical condition of this type of structure. Regarding national regulation, few states include compulsory codes that define the methods and procedures of inspection, assessment, maintenance and retrofitting of bridges. Although an accurate retrofitting procedure can prolong the life of an existing bridge, the more accurate management of national infrastructure assets can result in financial savings in the long term. This article deals with: (a) the assessment step-level procedure, (b) suggestions for bridge load tests and bridge categories, (c) bridge material analysis, (d) structural testing analysis, and (e) the main retrofitting interventions to prolong the life of existing steel and steel composite bridges. Furthermore, a representative case study is analysed and discussed, including examples of the retrofitting solutions implemented to prolong the service life of the bridge.

Place, publisher, year, edition, pages
Taylor & Francis, 2019.
Keywords [en]
steel bridges, composite bridges, multi-criteria decision analysis, existing bridges, inspection, assessment, retrofitting
National Category
Infrastructure Engineering Other Civil Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-76127DOI: 10.1080/10168664.2019.1660602OAI: oai:DiVA.org:ltu-76127DiVA, id: diva2:1354997
Available from: 2019-09-26 Created: 2019-09-26 Last updated: 2019-10-01

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Collin, PeterHällmark, Robert

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf