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Flexural-Shear Failure of a Full Scale Tested RC bridge Strengthened with NSM CFRP. Shear capacity analysis
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering. NORUT, N-8504 Narvik, Norway.ORCID iD: 0000-0002-8682-876X
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0002-5154-7044
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0002-3997-3083
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2011 (English)In: Nordic Concrete Research, ISSN 0800-6377, Vol. 2/2011, no 44, p. 189-206Article in journal (Refereed) Published
Abstract [en]

A test to failure has been carried out on a 50 -year-old RC railway trough bridgestrengthened in flexure with near-surface mounted (NSM) Carbon Fibre ReinforcedPolymers (CFRP) bars. The failure occurred at 11.7 MN load, by a flexural shear failuremechanism. At failure intermediate crack (IC) debonding of the CFRP bars was noticed,and at the same moment the major shear crack opened. The NSM CFRP increased boththe flexural and shear capacity of the bridge. The present codes provided conservativeestimates of shear force capacity; more accurate models are required for detailed capacityassessments of existing concrete through bridges.
Place, publisher, year, edition, pages
2011. Vol. 2/2011, no 44, p. 189-206
Keywords [en]
Bridge tests, Load bearing capacity, Standards and Codes, Fibre reinforced polymer, Reinforced concrete, Shear failure, Debonding
National Category
Infrastructure Engineering
Research subject
Structural Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-6082Local ID: 44720aad-6930-482c-9a97-744e29ae60f0OAI: oai:DiVA.org:ltu-6082DiVA, id: diva2:978959
Note

Validerad; 2011; 20111215 (mem)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2025-10-21Bibliographically approved

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Sas, GabrielBlanksvärd, ThomasEnochsson, OlaEmborg, MatsTäljsten, BjörnPuurula, ArtoElfgren, Lennart

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