Investigating the Opening Dimensions, the Stiffness of the Boundary Elements and the Type of the Infill Plate on the Behavior of Steel Plate Shear Wall

Document Type : Research Article

Authors

1 Assistant Professor/Amirkabir University of Technology

2 Department of Civil engineering, Islamic Azad University of Qeshm

Abstract

The steel plate shear wall (SPSW) has always been of interest to designers and researchers as an efficient lateral loading system over the past few decades. Different plate conditions and boundary elements each affect the behavior of steel shear walls somehow. In this paper, the behavior of this system has been investigated in cases such as an infill plate with a central opening of different diameter, an infill plate made of a different kind of steel and increased stiffness in boundary elements. In this study, three objectives were followed using the finite element method (FEM): a) investigating the effect of a circular opening on the behavior of steel shear walls and presenting the relationship between the ratio of the diameter of the hole to the height and the ultimate strength of the wall, b) the effect of increasing the stiffness of the beam and column elements on the behavior of steel shear walls and presenting the relationship between the effect of each increase on the ultimate strength of the wall, c) the effect of the infill plate made of different steel on the behavior of steel shear walls. For this purpose, several numerical models were designed using the finite element software that differ in the dimensions of the opening, the stiffness of the boundary elements and the type of the infill plate. The results of all models were extracted in terms of the ultimate strength, ductility, stiffness, and energy absorption and compared with each other. Also, the relationships related to the effect of increasing the diameter and the stiffness of the boundary element on the ultimate strength of the steel shear wall were presented.

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References

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Amirkabir Journal of Civil Engineering
Volume 52, Issue 2
May 2020
Pages 437-454

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