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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Flexural-Shear Failure of a Full Scale Tested RC bridge Strengthened with NSM CFRP. Shear capacity analysis
Author(s): Gabriel Sas, Thomas Blanksvärd, Ola Enochsson, Björn Täljsten, Arto Puurula, Lennart Elfgren
Publication: NCR
Volume: 44
Issue: 13
Appears on pages(s): 189-204
Keywords: Bridge tests, Load bearing capacity, Standards and Codes, Fibre reinforced polymer, Reinforced concrete, Shear failure, Debonding
Date: 12/15/2011
Abstract:A test to failure has been carried out on a 50-year-old RC railway trough bridge strengthened in flexure with near-surface mounted (NSM) Carbon Fibre Reinforced Polymers (CFRP) bars. The failure occurred at 11.7 MN load, by a flexural shear failure mechanism. 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 both the flexural and shear capacity of the bridge. The present codes provided conservative estimates of shear force capacity; more accurate models are required for detailed capacity assessments of existing concrete through bridges.
Norwegian Concrete Association, International Partner Access.
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