Dynamic Testing of Single- and Double-Story Steel-Sheathed Cold-Formed Steel-Framed Shear Walls
Publication: Journal of Structural Engineering
Volume 139, Issue 5
Abstract
This paper describes an experimental investigation of steel-sheathed cold-formed steel-framed shear walls by means of dynamic shake table tests. The objective was to evaluate the seismic performance and to identify whether the shear-wall behavior was consistent with past static tests, to obtain measures of damping and natural period of vibration, to investigate the influence of a second story, and to validate and improve the accuracy of the numerically predicted force-deformation response. The scope of study comprised five single-story and five double-story walls of the platform framing technique. Each wall was subjected to a suite of excitations: impact test to measure the linear-viscous damping ratio, harmonic excitation to estimate the natural period of vibration, and ground motions representative of the seismic hazard in Canada. An overview is presented of the test setup and dynamic loading protocols, as well as the test results and numerical model.
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Acknowledgments
The authors acknowledge the support provided by the Natural Sciences and Engineering Research Council of Canada (NSERC) and the Fonds Québécois de Recherche sur la Nature et les Technologies (FQRNT). Materials for construction of the test specimens were provided by Simpson Strong-Tie Co., Inc., ITW Buildex, Grabber Construction Products, and Bailey Metal Products Limited. The assistance of Structural Engineering Laboratory staff members Martin Leclerc and Patrice Bélanger at Ecole Polytechnique de Montréal was instrumental in completion of the shake table test program.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 139 • Issue 5 • May 2013
Pages: 807 - 817
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Oct 19, 2011
Accepted: Feb 17, 2012
Published online: Apr 15, 2013
Published in print: May 1, 2013
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