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Please use this identifier to cite or link to this item: http://dlibrary.univ-boumerdes.dz:8080/handle/123456789/323

Titre: Effectiveness of repair on damaged concrete columns by using fiber-reinforced polymer composite and increasing concrete section
Auteur(s): Ghernouti, Y.
Li, Alex
Rabehi, B.
Mots-clés: Polymer composite
Increasing concrete section
Damaged concrete columns
Issue Date: 2012
Editeur: Sage
Collection/Numéro: Journal of Reinforced Plastics and Composites / Vol.31, N°23 (2012);pp. 1616-1629
Résumé: This research is a contribution to work on strengthening and repair of reinforced concrete structures, it presents a comparative study between two methods of repairing damaged concrete with an experimental investigation on the behavior of specimens initially pre-damaged up to intense cracking, repaired by increased concrete section and by bonding a carbon fiber reinforced polymer. In our study, the concrete columns with square sections of (15 × 15) cm2 and a height of 30 cm are tested under uniaxial compression loading up the damage, these columns have been repaired, using both methods, they are tested again and their behavior has been studied. Based on the criterion of Mohr–Coulomb failure, a model was developed for each method to validate the different results obtained experimentally. The experimental results show that the method to repair damaged concrete by carbon fiber reinforced polymer has a good substrate adhesion, which offered a great improvement in strength and ductility compared to the method by increased concrete section. The experimental results have been compared with the theoretical models, a good correlation was obtained
URI: http://dlibrary.univ-boumerdes.dz:8080/jspui/handle/123456789/323
ISSN: 0731- 6844
Appears in Collections:Publications Internationales

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