In this study, damage evaluation of RC column subjected to cyclic loading and evaluation of retrofitting effect were conducted by means of 3 dimensional finite element analysis. Damage area of RC column was evaluated by using averaged compressive strain which was calculated by average of strain within certain area. Bond deteriorated area, in which concrete and rebar behave independently, could also be considered as the damage index of RC column. By comparing with the test result, both averaged compressive strain and bond deteriorated area corresponded to repaired area. Structural behavior of repaired RC column was simulated. As the results, it was confirmed that the damage evaluation method and repairing procedure in this study were suitable to simulate the repaired RC column.
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