Abstract
In this paper, nonlinear behaviour of composited steel plate shear walls by means of glass fiber reinforced polymer (GFRP) laminates under quasi-static loading have been analytically investigated. In that regard, numbers of the tested ½ scaled one-story un-stiffened steel plate shear walls (SPSWs) have been selected and simulated using finite element method, based on the available experimental data in the literature. After calibration of the analytical models, numbers of GFRP layers are added to the steel web plates of SPSWs, and effects of GFRP laminate and the number of layers on the seismic behaviour of steel shear walls are investigated. The results indicate that GFRP laminate increase the ultimate shear capacities of SPSWs, and the secant shear stiffness of the system. Besides, the hysteretic behaviour of the composite steel shear walls have been improved in comparison with the un-stiffened steel shear walls.
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