Economical Steel Plate Shear Walls for Low-Seismic Regions
Publication: Journal of Structural Engineering
Volume 139, Issue 3
Abstract
Previous research on steel plate shear walls (SPSWs) and current design codes have focused principally on achieving highly ductile behavior through stringent detailing requirements. As such, the system is generally considered to be economical only in high-seismic regions. However, lower demands in other regions may permit the use of more economical options. This paper describes a proposed concept for SPSWs that meets the intent of capacity design, while greatly improving competitiveness in seismic regions where maximum ductility is not required. A large-scale, 2-story SPSW specimen was tested to evaluate the associated performance. The wall had standard double-angle beam-to-column shear connections and was tested under vertical gravity load concurrent with reversing lateral loads at each floor level. The specimen survived 25 lateral load cycles, 18 of which were in the inelastic range. The test results indicated that excellent performance can be expected in low-seismic regions, despite significantly reduced costs, compared with traditional designs. The shear wall showed stable performance at large lateral deformation ratios with high levels of ductility and energy dissipation capacity.
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Acknowledgments
The test specimen was fabricated and donated by Supreme Steel Edmonton. Funding for this research program was provided by the Natural Sciences and Engineering Research Council, Steel Structures Education Foundation, Alberta Heritage Foundation, Canadian Society for Civil Engineering, and the University of Alberta. All support is gratefully acknowledged.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 139 • Issue 3 • March 2013
Pages: 379 - 388
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Jan 3, 2012
Accepted: May 25, 2012
Published online: Feb 15, 2013
Published in print: Mar 1, 2013
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