Strain-Softening Response and Failure Prediction in Notched Oriented Strand Board
Publication: Journal of Materials in Civil Engineering
Volume 31, Issue 6
Abstract
The strain-softening response and failure of oriented strand boards (OSBs) were investigated both experimentally and numerically. Standard tests were used to characterize the elastic (modulus of elasticity) as well as damage properties (damage height, damage initiation strain, and fracture energy) of OSBs in two principal (parallel and perpendicular) directions. Experimental data were then used in conjunction with a recently developed physically based damage model to simulate the nonlinear response of notched OSB samples under tension using the finite-element (FE) method. Acceptable agreement between the FE simulations and experimental data was found. The results suggest that a strain-softening approach is capable of accurately modeling the damage progression in notched OSB samples.
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Acknowledgments
Financial support from the National Sciences and Engineering Research Council (NSERC) through a Collaborative Research and Development (CRD) grant with FPInnovations is gratefully acknowledged. The authors are grateful to Wesley Lin for his support in performing the density profile tests at FPInnovations.
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Published In
Journal of Materials in Civil Engineering
Volume 31 • Issue 6 • June 2019
Copyright
©2019 American Society of Civil Engineers.
History
Received: Aug 24, 2018
Accepted: Dec 13, 2018
Published online: Apr 9, 2019
Published in print: Jun 1, 2019
Discussion open until: Sep 9, 2019
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