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Simulation of concrete cover separation failure in FRP plated RC beams

Abstract : The flexural strength of a reinforced concrete beam can be increased by bonding a FRP sheet to the ten- sion face. Nevertheless, this type of reinforcement may cause a premature debonding failure. This paper is concerned with the failure by concrete cover separation; in other words by peeling-off. Four series of FRP plated RC beams and one group of control beams were tested in a four-point bending setup where each group consisted of three beams. All strengthened beams failed by peeling-off. As a part of this study numerical analyses using the commercial program; Abaqus have been carried out in order to predict this type of failure. Comparisons between the predictions of the numerical model and test results show a very good agreement indicating that the ultimate load, the beam behavior and the failure mode can be closely predicted by using the proposed model.
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https://hal-enpc.archives-ouvertes.fr/hal-00938949
Contributeur : Gilles Foret <>
Soumis le : mercredi 29 janvier 2014 - 17:21:43
Dernière modification le : vendredi 17 juillet 2020 - 17:09:09

Identifiants

  • HAL Id : hal-00938949, version 1

Citation

Sahar Radfar, Gilles Forêt, Navid Saeedi, Karam Sab. Simulation of concrete cover separation failure in FRP plated RC beams. Construction and Building Materials, Elsevier, 2012, 37, pp.791-800. ⟨hal-00938949⟩

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