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Assessment and Loading to Failure of Three Swedish RC Bridges
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0002-1398-6118
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering.ORCID iD: 0000-0003-1329-555X
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering. WSP.ORCID iD: 0000-0001-8889-4237
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering. Savonia University.
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2018 (English)In: Evaluation of Concrete Bridge Behavior through Load Testing: International Perspectives / [ed] Eva Lantsoght and Pinar Okumus, Faarmington Hills, MI: American Concrete Institute, 2018, Vol. 323, p. 8.1-8.18, article id SP-323-8Chapter in book (Refereed)
Abstract [en]

Current codes often underestimate the capacity of existing bridges. The purpose of the tests presented here has been to assess the real behaviour and capacity of three types of bridges in order to be able to utilize them in a more efficient way.

The three studied bridges are: (1) Lautajokk – A one-span trough bridge tested in fatigue to check the shear capacity of the section between the slab and the girders; (2) Övik – A two span trough bridge strengthened with Near Surface Mounted Reinforcement (NSMR) of Carbon Fibre Reinforced Polymers (CFRP) tested in bending, shear and torsion; and (3) Kiruna – A five-span prestressed three girder bridge tested to shear-bending failures in the girders and in the slab.

The failure capacities were considerably higher than what the code methods indicated. With calibrated and stepwise refined finite element models, it was possible to capture the real behaviour of the bridges. The experiences and methods may be useful in assessment and better use of other bridges.

Place, publisher, year, edition, pages
Faarmington Hills, MI: American Concrete Institute, 2018. Vol. 323, p. 8.1-8.18, article id SP-323-8
National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-69992ISBN: 978-1-64195-007-7 (electronic)OAI: oai:DiVA.org:ltu-69992DiVA, id: diva2:1229068
Available from: 2018-06-29 Created: 2018-06-29 Last updated: 2018-08-10Bibliographically approved

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https://www.concrete.org/Portals/0/Files/PDF/Previews/SP-323_preview.pdfhttps://www.concrete.org/publications/internationalconcreteabstractsportal.aspx?m=details&i=51702438

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Nilimaa, JonnySabau, CristianBagge, NiklasPuurula, ArtoSas, GabrielBlanksvärd, ThomasTäljsten, BjörnCarolin, AndersElfgren, Lennart

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Nilimaa, JonnySabau, CristianBagge, NiklasPuurula, ArtoSas, GabrielBlanksvärd, ThomasTäljsten, BjörnCarolin, AndersElfgren, Lennart
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