The present paper is devoted to investigate the behavior of square RC columns confined with FRP wraps using ANSYS software. A total of four prisms of size 150mm×300mm×500mm and 210mm×210mm×500mm were simulated by the FE model and the results were compared with the experimental test results reported in literature. Very good agreement was found between the model results and the test results. Therefore, the model was validated. As predicted, it was found that the effectiveness of FRP jackets under eccentric loads is reduced in comparison with concentric loads. In the next step, the interaction diagrams of axial force and bending moment for columns confined with FRP wrap was obtained from the model results. They were compared with the interaction diagrams proposed by the design guideline of ACI 440.2R-08. It was found that the load carrying capacities resulted from the model are generally higher than those recommended by ACI 440.2R-08.
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- Numerical Analysis of Rectangular Reinforced Concrete Columns Confined with FRP Jacket under Eccentric Loading
F. J. Alaee
- Springer Berlin Heidelberg