Mechanical Performance of Glue-Pressed Engineered Honeycomb Bamboo under Axial Compression
Publication: Journal of Structural Engineering
Volume 147, Issue 4
Abstract
In this study, glue-pressed engineered honeycomb bamboo (GPEHB) was prepared, and the dependence of the compressive properties of the produced GPEHB on the load–slenderness ratio, longitudinal strain–slenderness ratio, and ultimate strain–slenderness ratio was examined. The detailed failure modes were also investigated. The main failure modes of the short GPEHB specimens were squashing, crushing, and splitting, and the bearing capacity was mainly dependent on the compressive strength of the bamboo units. Buckling failure modes involving significant lateral deflection were observed for the long GPEHB specimens. With increasing slenderness ratio, the bearing capacities of the GPEHB specimens decreased significantly. The ultimate load of the GPEHB specimens decreased significantly as the slenderness ratio increased from 4 to 6 (GPEHB length increased from 736 to 1,104 mm). The ultimate deformation behaviors of the specimens were fit well by a quadratic function of the slenderness ratio. The GPEHB was also analyzed and modeled via finite element analysis (FEA). The experimental results, theoretical calculations, and FEA analysis results were compared.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
The material presented in this paper was based on work supported by the National Natural Science Foundation of China (No. 31470582). The conclusions, results, and opinions from this work are those of the author(s). They do not necessarily reflect the views of the foundations. The writers gratefully acknowledge the aid of Nianqiang Zhou, Guo-hui Sheng, Fei Xiao, and others during the tests. We thank LetPub (www.letpub.com) for its linguistic assistance during the preparation of this manuscript.
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Published In
Journal of Structural Engineering
Volume 147 • Issue 4 • April 2021
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Nov 27, 2019
Accepted: Dec 2, 2020
Published online: Feb 4, 2021
Published in print: Apr 1, 2021
Discussion open until: Jul 4, 2021
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