Mechanical Properties of Engineered Bamboo Boards for Glubam Structures
Publication: Journal of Materials in Civil Engineering
Volume 33, Issue 5
Abstract
Glued laminated bamboo (glubam) is a type of engineered bamboo that resembles timber-based glued laminated lumber (glulam). The glubam components are made by laminating 20- to engineered bamboo boards; thus, the performance is determined by the quality and properties of the laminated boards. A comprehensive testing program was conducted on typical engineered bamboo boards. The experiments were performed according to the general requirements given by international standards; however, the size of specimens and loading jigs were redesigned according to the modular thickness of typical bamboo boards. Mechanical behaviors and failure modes of the specimens under 15 stress conditions are reported, along with the surface strain distribution recorded through digital image correlation (DIC). A simple design-oriented axial stress–strain model is proposed, and strength values, including the corresponding coefficient of variance (COV), are calculated and provided. A comparison of characteristic strength values between engineered bamboo and typical wood products is also given in this research.
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Data Availability Statement
All data and models generated or used during this study are available from the corresponding author by request.
Acknowledgments
The research was under the support of the National Natural Science Foundation of China (51878343, 51978606), the National Key Research and Development Project (2019YFD1101000), and the Jiangsu Provincial Double Innovation Program.
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Published In
Journal of Materials in Civil Engineering
Volume 33 • Issue 5 • May 2021
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Mar 18, 2020
Accepted: Sep 4, 2020
Published online: Feb 22, 2021
Published in print: May 1, 2021
Discussion open until: Jul 22, 2021
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