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Earthquakes and Structures
  Volume 8, Number 6, June 2015, pages 1453-1461

On the effect of GFRP fibers on retrofitting steel shear walls with low yield stress
S.A. Edalati, Y. Yadollahi, I. Pakar and M. Bayat

    In this article the non-linear behavior of the shear wall with low yield stress retrofitted with Glass Fiber Reinforced Polymer (GFRP) is investigated under pushover loading. The models used in this study are in 1/2 scale of one story frame and simple steel plates with low yield stress filled the frame span. The models used were simulated and analyzed using finite elements method based on experimental data. After verification of the experimental model, various parameters of the model including the number of GFRP layers, fibers positioning in one or two sides of the wall, GFRP angles in respect to the wall and thickness of the steel plate were studied. The results have shown that adding the GFRP layers, the ultimate shear capacity is increased and the amount of energy absorbed is decreased. Besides, the results showed that using these fibers in low-thickness plates is effective and if the positioning angle of the fibers on the wall is diagonal, its behavior will improve.
Key Words
    steel plate shear wall; low yield stress plate; GFRP; shear capacity; energy waste
S.A. Edalati: Department of Civil and Environmental Engineering, Tarbiat Modares University, Tehran, Iran

Y. Yadollahi: Department of Civil Engineering, Shomal University, Amol, Iran

I. Pakar: Young Researchers and Elite club, Mashhad Branch, Islamic Azad University, Mashhad, Iran

M. Bayat: Department of Civil Engineering, Mashhad Branch, Islamic Azad University, Mashhad, Iran

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