The steel shear wall has been introduced as a system with high stiffness and strength and a considerable capability in absorbing seismic energy. Due to its special advantages compared to other lateral load-resistant systems, this system is being used in tall buildings more and more frequently. Ductility and energy absorption are important parameters to be considered when choosing a robust lateral load-resistant system. By increasing the ductility and energy absorption of the structures, their seismic performance and safety are improved. Ideally, a structural system should provide both ductility and energy absorption in an economic way. This study presents the numerical simulation of the seismic behavior of a recently developed four-layer steel shear wall composed of corrugated and flat sheets. The simulations were performed using finite element software ABAQUS. Nonlinear static analysis was used to derive seismic parameters. The results showed that the corrugated sheets surrounded by flat sheets provide greater seismic parameters such as ductility and over-strength compared to double corrugated walls. According to the results, the calculated R-factor, displacement amplification factor, and the overstrength factor of the proposed wall were 4.58, 8.21, and 1.26, respectively. Furthermore, to use the seismic parameters of the shear wall, some relationships have been presented for incremental strength and stiffness coefficients without the need for finite element modeling. Compared to the finite element results, the presented relations had good accuracy.
Seismic Behavior of an Innovative Four-Layer Steel Shear Wall
KSCE J Civ Eng
KSCE Journal of Civil Engineering ; 27 , 11 ; 4770-4786
2023-11-01
17 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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