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EXPERIMENTAL INVESTIGATION OF CONCRETE EXTERNALLY CONFINED BY CFRP COMPOSITES

Abstract : The present study deals with the analysis of experimental results, in terms of load carrying capacity and strains, obtained from tests on reinforced concrete (RC) columns, strengthened with external carbon fiber reinforced polymer (CFRP) sheets. The experimental parameters include: number of wrap layers, slenderness of the columns (L/a or L/(empty set)) and shape of the section (circular and square). A total of 48 specimens were subjected to axial compression. All test specimens were loaded to failure in axial compression. Compressive stress, axial and hoop strains have been recorded to evaluate the stress-strain relationship, ultimate strength, stiffness, and ductility of the specimens. Results clearly demonstrate that composite wrapping can enhance the structural performance of RC columns in terms of both maximum strength and ductility. The effects of test parameters are evidenced and compared.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01438959
Contributor : Laurent Jonchère <>
Submitted on : Wednesday, January 18, 2017 - 11:26:33 AM
Last modification on : Friday, November 16, 2018 - 1:28:37 AM

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  • HAL Id : hal-01438959, version 1

Citation

Riad Benzaid, Habib-Abdelhak Mesbah, Bouhabila Amel. EXPERIMENTAL INVESTIGATION OF CONCRETE EXTERNALLY CONFINED BY CFRP COMPOSITES. 5th International Conference on Integrity-Reliability-Failure (IRF), Jul 2016, Porto, Portugal. pp.595--602. ⟨hal-01438959⟩

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