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Density distribution profile for internodes and nodes of Phyllostachys edulis (Moso bamboo) by computer tomography scanning

Huang, Puxi, Chang, Wen-Shao, Ansell, Martin P., Chew, Y.M. John and Shea, Andy 2015. Density distribution profile for internodes and nodes of Phyllostachys edulis (Moso bamboo) by computer tomography scanning. Construction and Building Materials 93 , pp. 197-204. 10.1016/j.conbuildmat.2015.05.120

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Abstract

This study aims to quantify the density distribution, and specify the density distribution difference between internodes and nodes parts of Phyllostachys edulis (Moso Bamboo) in the radial, tangential and longitudinal directions. Due to the anatomical complexity of Moso bamboo, the measurement methods of bulk density are insufficient. In this work, Computed Tomography (CT) scanning has been selected to quantify the density distribution of Moso bamboo. Major findings from both anatomical analysis and CT scanning quantifications are that the Moso bamboo density of the internodes parts and the nodes parts reduce from the external surface to the internal surface of the culm wall in the radial direction. In the longitudinal direction, the internode parts of the Moso bamboo have relatively uniform density. Significant density fluctuation variations occur at the nodes parts of the Moso bamboo. The different proportions of the vascular bundles tissues and the parenchyma ground tissues dominate the density variation of the Moso bamboo in the radial direction. In the longitudinal direction, relatively uniform density of the internodes parts of the Moso bamboo is attributed to the straight vascular bundles. The significant density variation in the node parts is caused by the irregular intertwined vascular bundles.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Architecture
Publisher: Elsevier
ISSN: 0950-0618
Date of Acceptance: 22 May 2015
Last Modified: 18 Dec 2017 15:14
URI: http://orca.cf.ac.uk/id/eprint/107198

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