Seismic Behavior of Sheathed Cold-Formed Structures: Physical Tests
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Volume 132, Issue 4
Abstract
The paper presents the results of an experimental study on the seismic behavior of cold-formed steel stud shear walls, sheathed with wood-based [oriented strand board (OSB)], and gypsum-based (wallboard) panels. Tests were carried out on two, nominally identical, prototypes, which were designed in such a way to contain all the structural elements and components used for this type of structure. The first specimen was tested under monotonic loading conditions. The second one was instead tested under cyclic loading conditions, with a loading history previously derived from an ad hoc numerical study of the deformation histories likely to be imposed by typical Italian earthquakes. The results obtained allow consideration of typical seismic behavior issues (capacity design, connections between horizontal diaphragms and vertical walls, performance criteria) to be drawn. In particular, all the components of this structural system can be designed according to capacity design criteria, imposing collapse in the sheathing connections of the vertical shear wall. In addition, no appreciable deformation of the OSB sheathing-to-floor framing connections was observed in both monotonic and cyclic tests.
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Acknowledgments
The writers respectfully acknowledge the financial support given by the Italian Ministry for University and Research. Also they extend acknowledgments to the following companies: BPB Italia, GUERRASIO, TECFI s.r.l., and HILTI Italia.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 132 • Issue 4 • April 2006
Pages: 570 - 581
Copyright
© 2006 ASCE.
History
Received: May 3, 2004
Accepted: Oct 12, 2005
Published online: Apr 1, 2006
Published in print: Apr 2006
Notes
Note. Associate Editor: Brian Uy
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