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Finite Element Modeling of Strengthened Beams Using CFRP

Journal of Building Materials and Structures. 2019;6(2):77-87 DOI 10.5281/zenodo.3352308


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Journal Title: Journal of Building Materials and Structures

ISSN: 2353-0057 (Print)

Publisher: University Amar Telidji of Laghouat

Society/Institution: University Amar Telidji of Laghouat

LCC Subject Category: Technology: Building construction

Country of publisher: Algeria

Language of fulltext: English

Full-text formats available: PDF



Sabiha Barour (Department of Civil Engineering, University of Frères Mentouri-Constantine 1.)

Abdesselam Zergua (Department of Civil Engineering, University of Frères Mentouri-Constantine 1.)


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Time From Submission to Publication: 12 weeks


Abstract | Full Text

Deteriorating and damage of some structural elements influence negatively their strength and the bearing capacity. However, it is necessary to take some measures improve structural performance. In this context, the composite material is often used to strengthen the damaged parts. This paper presents a model to analyze the effect of carbon fiber reinforced polymer strengthening of beams under four point bending. Finite element software ANSYS 12.0 has been used for modeling the beams by conducting nonlinear static analysis. The SOLID 65 and SHELL 181 elements have been used to, respectively; model the 3D concrete beams and the composite layer. Constitutive properties of different components (concrete and FRP) have been incorporated. The predicted Finite element analysis results for the load-midspan deflection are compared to the measured experimental data.  Close agreement was found between the predicted and measured results at all stages of loading for both models developed.