Lateral Loading Performance of Lightweight Glubam Shear Walls
Publication: Journal of Structural Engineering
Volume 143, Issue 6
Abstract
A new type of lightweight shear walls made with a laminated bamboo (glubam) stud frame and ply-bamboo sheathing panels is introduced in this paper. The lateral loading experiments of such shear walls and corresponding similar lightweight wood shear walls with three different panel-frame nailing connections and two thicknesses of sheathing panels were performed, in accordance with international standards. Test results demonstrate that the lightweight glubam shear walls have similar performance as conventional lightweight wood-frame shear walls, with higher initial stiffness and peak load, but less ductility. An increase in nail diameter can improve the load-bearing capacity of the shear walls until the failure mode of panel-frame connection changes from yielding of the nails to pull-through of nails from the ply-bamboo panels. Increased panel thickness can increase the bearing capacity and deformability of the shear walls when the failure pattern of panel-frame connection changes from panel failure to nail yielding. A new uplift hold-down device and improved design of edge studs were used to increase the ductile performance of glubam shear walls.
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Acknowledgments
The research described in this paper was conducted under support of the Changsha Science and Technology Platform Key Project (K14606001-61), the International Collaboration and Exchange Special Program of the Chinese Ministry of Science and Technology (2014DFE70230), and the Thousand Talent National Expert Scholarship. The GluBam ply-bamboo construction was partially provided by the Advanced Bamboo and Timber Technologies (ABTT), Ltd.
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Published In
Journal of Structural Engineering
Volume 143 • Issue 6 • June 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Apr 16, 2016
Accepted: Nov 18, 2016
Published online: Feb 6, 2017
Published in print: Jun 1, 2017
Discussion open until: Jul 6, 2017
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