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Elastic response of cross-laminated engineered bamboo panels subjected to in-plane loading

Archila, Hector F; Rhead, Andrew; Ansell, Martin P.; Walker, Pete; Lizarazo-Marriaga, Juan


Andrew Rhead

Martin P. Ansell

Pete Walker

Juan Lizarazo-Marriaga


© ICE Publishing: All rights reserved. Novel cross-laminated bamboo panels comprising three and five layers (G-XLam3 and G-XLam5) were tested in compression along the main (0°) and the transverse (90°) directions. Linear variable differential transformer (LVDT) and non-contact three-dimensional digital image correlation (DIC) measuring techniques were used separately to measure deformation in the elastic region, and the elastic moduli, Ep C,0 and Ep C,90, were derived. Mean elastic modulus values obtained using LVDTs exhibited a good match with analytically predicted values. In contrast, the elastic values obtained by the DIC method were considerably higher and presented a considerable scatter of results. For instance, the Ep C,0 for G-XLam3 and G-XLam5 panels were 17·22 and 15·67 GPa, and 14·86 and 12·48 GPa, using the DIC and LVDT methods, respectively. In general, G-XLam panels with a fifth of the cross-sectional thickness and twice the density of analogous cross-laminated timber exhibited an approximately two-fold increase in Ep C,0 and Ep C,90. Overall, this research provides guidelines for the assessment and standardisation of the testing procedures for similar engineered bamboo products using contact and non-contact methods and highlights the potential of using G-XLam panels in stiffness-driven applications and in combination with wood for structural purposes.


Archila, H. F., Rhead, A., Ansell, M. P., Walker, P., & Lizarazo-Marriaga, J. (2019). Elastic response of cross-laminated engineered bamboo panels subjected to in-plane loading. Proceedings of the ICE - Construction Materials, 172(6), 284-295.

Journal Article Type Article
Acceptance Date Mar 28, 2017
Online Publication Date Sep 11, 2019
Publication Date Dec 1, 2019
Deposit Date Mar 4, 2019
Publicly Available Date Mar 4, 2019
Journal Proceedings of Institution of Civil Engineers: Construction Materials
Print ISSN 1747-650X
Electronic ISSN 1747-6518
Publisher Thomas Telford
Peer Reviewed Peer Reviewed
Volume 172
Issue 6
Pages 284-295
Keywords materials technology; strength & testing of materials; timber structures; bamboo; engineered bamboo; timber; digital image correlation
Public URL
Publisher URL
Additional Information Additional Information : This is the author's accepted manuscript. The final published version is available here:
Corporate Creators : University of Bath, UK, Amphibia BASE, UK, Universidad Nacional de Colombia, BRE Centre for Innovative Construction Materials, Department of Architecture and Civil Engineering, University of Bath, Bath, UK


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