Midply Wood Shear Wall System: Concept and Performance in Static and Cyclic Testing
Publication: Journal of Structural Engineering
Volume 132, Issue 9
Abstract
This paper introduces a new concept in shear wall design. One ply of sheathing material is placed at the center of the wall between a series of pairs of studs and plates oriented in rotated position relative to those in standard shear walls. The new wall design is called “midply” in reference to the location of the sheathing panel. Test results for midply walls under static and cyclic loading conditions are presented and compared with those presented for standard shear walls under similar loading conditions. In midply walls, nails connecting framing members to sheathing work in double shear in contrast to connections in standard shear walls, which work in single shear. This results in substantial improvements in the shear performance of midply walls. As verified by the test results presented herein, load-carrying capacity of midply walls is over three times that of comparable standard shear walls.
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Acknowledgments
The financial support for the research program by Forintek Canada Corp. industry members, the Science Council of B.C., Natural Resources Canada (Canadian Forest Service), and the provinces of British Columbia, Alberta, Saskatchewan, Quebec, Nova Scotia, New Brunswick, Ontario, Manitoba, and Newfoundland, and Labrador are also gratefully acknowledged. The writers thank the staff of Forintek Canada Corp., Western Laboratory in Vancouver, B.C., for their valuable contributions to this work. Finally, the technical contributions by H. Fraser, P. Symons, W. Deacon, M. Buitelaar, and D. Lungu in the research program are acknowledged with thanks.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 132 • Issue 9 • September 2006
Pages: 1417 - 1425
Copyright
© 2006 ASCE.
History
Received: Mar 4, 2005
Accepted: Nov 14, 2005
Published online: Sep 1, 2006
Published in print: Sep 2006
Notes
Note. Associate Editor: J. Daniel Dolan
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