Abstract
In this study, behavior of reinforced concrete (RC) beams retrofitted using carbon fiber-reinforced polymer (CFRP) strips and anchorages is investigated by performing nonlinear finite-element (FE) analyses. The main aim of the study is testing the applicability of current FE techniques in the field of CFRP-retrofitted concrete elements. In the study, effect of CFRP strip width, presence of fan-type anchorages and CFRP patches were considered as main variables. In the study, eight RC beams with varying cross sectional properties along beam length are simulated. The simulated beams were tested in a former experimental study. The nonlinear FE analyses are conducted using the ANSYS FE software. The results obtained from the former experimental study are compared with the FE analyses results. From the results, it is observed that when properly modeled, FE simulations are efficient tools to estimate the nonlinear behavior of CFRP-retrofitted RC beams and similar structural elements.
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