Experimental Investigation of Self-Centering Steel Plate Shear Walls
Publication: Journal of Structural Engineering
Volume 138, Issue 7
Abstract
A series of subassembly tests were conducted to investigate the behavior of the self-centering steel plate shear wall (SC-SPSW) system under cyclic loading. The SC-SPSW system utilizes thin steel web plates to provide energy dissipation and the primary strength and stiffness of the system, whereas posttensioned (PT) beam-to-column connections provide recentering capabilities. In this new system, the web plate is intended to yield under cyclic loading, whereas the boundary elements and PT connection elements remain undamaged. The web plate can then be replaced relatively easily following significant inelastic cycles. This experimental program studies the effects of various design parameters on the system and connection response and compares the response with approximate analytical formulas. The experimental results show that the SC-SPSW system has high ductility, high initial stiffness, recentering capabilities, an overall system response as anticipated, and more energy dissipation than expected.
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Acknowledgments
Financial support for this study was provided by the National Science Foundation as part of the George E. Brown Network for Earthquake Engineering Simulation under Award No. CMMI-0830294. P.M.C. was also supported by the National Science Foundation Graduate Research Fellowship under Grant No. DGE-0718124. The writers would also like to acknowledge material donations from the AISC. Any opinions, findings, conclusions, and recommendations presented in this paper are those of the writers and do not necessarily reflect the views of the sponsors.
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Information
Published In
Journal of Structural Engineering
Volume 138 • Issue 7 • July 2012
Pages: 952 - 960
Copyright
© 2012. American Society of Civil Engineers.
History
Received: Jun 2, 2011
Accepted: Oct 20, 2011
Published online: Oct 24, 2011
Published in print: Jul 1, 2012
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