Finite-Element Investigation and Design Recommendations for Perforated Steel Plate Shear Walls
Publication: Journal of Structural Engineering
Volume 135, Issue 11
Abstract
This paper presents results from an investigation of the behavior of unstiffened thin steel plate shear wall (SPSW) having a regular pattern of openings (a.k.a. perforated SPSW). Finite element monotonic pushover analyses were conducted, first on a series of individual perforated strips with variation in perforation diameter, to develop a fundamental understanding of the behavior of complete perforated SPSW, then on a corresponding series of complete perforated SPSW having various perforation diameters. Three different sets of wall boundary conditions are considered, namely: flexible beam laterally braced, rigid floor, and rigid beam. Though some differences between the SPSW panel strips and the individual strip results are observed at large monitored strain, at lower monitored strain however the two models are in a good agreement. Based on the analytical results design recommendations of these perforated SPSWs are presented. The shear strength of a SPSW infill plate having a pattern of multiple regularly spaced circular perforations can be calculated as a function of the shear strength of a solid panel, perforation diameter, and distance between perforations.
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Acknowledgments
Analytical work in this study was performed at the Center for Computational Research at the University at Buffalo, the State University of New York. This work was supported by the Earthquake Engineering Research Centers Program of the National Science Foundation under Grant No. UNSPECIFIEDECC-9701471 to the Multidisciplinary Center for Earthquake Engineering Research. However, 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 & Authors
Information
Published In
Journal of Structural Engineering
Volume 135 • Issue 11 • November 2009
Pages: 1367 - 1376
Copyright
© 2009 ASCE.
History
Received: Mar 12, 2008
Accepted: Apr 14, 2009
Published online: Apr 16, 2009
Published in print: Nov 2009
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