Abstract: In this research, effectiveness of GFRP layers for joint shear strengthening of two-way corner beam-column connection is studied through a finite element model. To this purpose, a model based on previous experimental test on one-way strengthened connection is made using general purpose finite element code ABAQUS. The FEM results are validated by comparison with the test results. This model was developed to analyze rehabilitation of two-way corner RC beam-column connection. Two models including the original and strengthened specimen (with L shape GFRP layers) were analyzed. Comparing the results of the models indicated the effectiveness of the proposed strengthening scheme in reducing story drift, increasing ultimate load carrying capacity and changing the shear failure mode to a relatively ductile mode.