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Structural Engineering and Mechanics Volume 69, Number 3, February10 2019 , pages 327-334 DOI: https://doi.org/10.12989/sem.2019.69.3.327 |
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Hygrothermal effects on the behavior of reinforced-concrete beams strengthened by bonded composite laminate plates |
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Kamel Antar, Khaled Amara, Samir Benyoucef, Mokhtar Bouazza and Mokhtar Ellali
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| Abstract | ||
| The purpose of this paper is to investigate the hygrothermal effects on the behavior of reinforced-concrete beams strengthened by bonded composite laminate plates (theta n/90 m)s. This work is based on a simple theoretical model to estimate the interfacial stresses developed between the concrete beam and the composite with taking into account the hygrothermal effect. Fibre orientation angle effects of number of 90o layers and effects of plate thickness and length on the distributions of interfacial stress in the concrete beams reinforced with composite plates have also been studied. | ||
| Key Words | ||
| interfacial stresses; concrete beam; composite laminate; hygrothermal effects; fibre angle | ||
| Address | ||
| Kamel Antar and Samir Benyoucef: Material and Hydrology Laboratory, University of Sidi Bel Abbes, Faculty of Technology, Civil Engineering Department, 22000, Algeria Khaled Amara and Mokhtar Ellali: Department of Civil Engineering, Faculty of Technology, University Center of Ain Temouchent, 46000, Algeria Mokhtar Bouazza: Department of Civil Engineering, Faculty of Technology, University of Bechar, 8000, Algeria | ||