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Investigating the Behavior of Coupled Steel Plate Shear Wall under Cyclic Loading

Investigating the Behavior of Coupled Steel Plate Shear Wall under Cyclic Loading Using resistant systems in construction industry is essential to reduce the damages caused by earthquake loads. One of the most suitable resistant systems is steel plate shear wall with a coupling beam (Coupled Steel Plate Shear Wall or CSPSW), which comprises horizontal boundary elements (beams), vertical boundary elements (columns) and steel plate. In this study, the behavior of CSPSW under the effect of cyclic loading in three (six-, eight- and twelve-story) frames for three different lengths of coupling beam has been investigated in OpenSees. In the first part of this study, the structure responses including shear capacity, flexural capacity, energy dissipation, ductility of shear wall and coupling beam, and rotation created in coupling beam are investigated. The results indicated that the effect of coupling beam length on the performance of the components of the CSPSW is different, in a way that as the coupling beam length is increased, the shear capacity, flexural capacity, energy dissipation and ductility of coupling beam increase, and its maximum displacement reduces. However, as the coupling beam length is increased, the shear capacity, flexural capacity, energy dissipation and ductility of shear wall decrease and its maximum displacement increases. It was also found that as the frame height increases, the rate of increase in shear force and the bending moment in shear wall grow higher than those of coupling beam. In the second part of this study, the shear capacity equation related to the CSPSW is rewritten and proposed based on the variable ‘coupling beam length’. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of The Institution of Engineers (India):Series A Springer Journals

Investigating the Behavior of Coupled Steel Plate Shear Wall under Cyclic Loading

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Publisher
Springer Journals
Copyright
Copyright © The Institution of Engineers (India) 2022
ISSN
2250-2149
eISSN
2250-2157
DOI
10.1007/s40030-022-00641-5
Publisher site
See Article on Publisher Site

Abstract

Using resistant systems in construction industry is essential to reduce the damages caused by earthquake loads. One of the most suitable resistant systems is steel plate shear wall with a coupling beam (Coupled Steel Plate Shear Wall or CSPSW), which comprises horizontal boundary elements (beams), vertical boundary elements (columns) and steel plate. In this study, the behavior of CSPSW under the effect of cyclic loading in three (six-, eight- and twelve-story) frames for three different lengths of coupling beam has been investigated in OpenSees. In the first part of this study, the structure responses including shear capacity, flexural capacity, energy dissipation, ductility of shear wall and coupling beam, and rotation created in coupling beam are investigated. The results indicated that the effect of coupling beam length on the performance of the components of the CSPSW is different, in a way that as the coupling beam length is increased, the shear capacity, flexural capacity, energy dissipation and ductility of coupling beam increase, and its maximum displacement reduces. However, as the coupling beam length is increased, the shear capacity, flexural capacity, energy dissipation and ductility of shear wall decrease and its maximum displacement increases. It was also found that as the frame height increases, the rate of increase in shear force and the bending moment in shear wall grow higher than those of coupling beam. In the second part of this study, the shear capacity equation related to the CSPSW is rewritten and proposed based on the variable ‘coupling beam length’.

Journal

Journal of The Institution of Engineers (India):Series ASpringer Journals

Published: Sep 1, 2022

Keywords: Coupled steel plate shear wall; Cyclic load; Energy dissipation; Ductility; Shear capacity equation

References