A jahanpour - Department of Civil Engineering, Faculty of Engineering, Malayer University
m farokhzad - Department of Civil Engineering, Faculty of Engineering, Science and Technology University
s.e Sadat Kholerdi - Department of Civil Engineering, Faculty of Engineering, Malayer University

In new type of steel plate shear walls, so called semi-supported steel shear wall (sssw), the shear wall wont be connected to the main columns of the structure frame. Instead, it will be connected to the secondary columns which are used for tension field in plate. For reinforcement and improvement of behavior of semi-supported steel shear wall, fiber reinforced polymers (FRP) can be used. This paper investigates plate thicknesses and low yield point steel (LYP) in behavior of semi-supported steel shear wall that reinforced with glass fiber polymers (GFRP). In the LYP steel plate shear wall system, LYP steel was selected for the steel plate wall while the boundary frame was constructed by the high strength structural steel. Results show that using low yield point steel (LYP) in semi-supported shear walls reinforced with glass fiber polymers (GFRP) is appropriate and its lead to excellent deformation and energy dissipation capacity. In addition to, The influence of plate thickness increase on initial stiffness and ultimate strength is more than the yield stress increase effect

Semi-supported, Steel Shear Walls, Low Yield Point (LYP), Energy Dissipation,