A Study on Torsional Behavior of Glued Laminated Bamboo Glubam
Publication: Journal of Materials in Civil Engineering
Volume 35, Issue 6
Abstract
Glubam is a type of engineered bamboo increasingly attracting research and application interest. This study focused on the torsional shear properties of glubam. Prismatic specimens with square sections were tested using a torsional loading device along with both conventional strain gauge–based instrumentation and a digital image correlation (DIC) system. Testing parameters included thick- and thin-strip glubams, the influence of carbonization of thick-strip glubam, as well as comparative spruce-pine-fir (SPF). Mechanical behavior and properties, including failure process, shear stress-strain relationships, modulus, and strength, were examined. The testing results indicated that carbonization of thick-strip glubam increased its strength slightly; however, specimens failed with more brittleness. The existence of bi-directional bamboo fibers in the thin-strip glubam apparently contributed to the larger deformability compared with the unidirectional thick-strip glubam.
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Data Availability Statement
Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request.
Acknowledgments
The research conducted in this paper was partially supported by the Zhejiang University UAD Center (No. KH20203315C), and the ZJU Presidential Fund (No. 2021XZZX040).
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Published In
Journal of Materials in Civil Engineering
Volume 35 • Issue 6 • June 2023
Copyright
© 2023 American Society of Civil Engineers.
History
Received: May 19, 2022
Accepted: Oct 7, 2022
Published online: Mar 31, 2023
Published in print: Jun 1, 2023
Discussion open until: Aug 31, 2023
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