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Optimizing Perception Oriented Classification of Sawn Boards from Fibre-Managed Plantation Resources

Citation

Davis, K and Kotlarewski, N and Orr, K and Nolan, G and Leavengood, S, Optimizing Perception Oriented Classification of Sawn Boards from Fibre-Managed Plantation Resources, Proceedings of the 2018 Society of Wood Science and Technology/Japan Wood Research Society International Convention, 5-9 November 2018, Nagoya University, pp. 164-171. ISBN 978-0-9817876-8-8 (2018) [Non Refereed Conference Paper]


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Abstract

In Australia, supplies of native timber are declining and demand for timber in structural and appearance applications is increasing. As the supply of timber shifts from native re-growth, to plantation grown resources, the forest products industry needs to optimize the use of timber that contains higher amounts of naturally occurring growth features. Grading aims to group boards with similar structural and appearance properties for market. Timber products containing no or low quantities of growth features (known as ‘clear cuttings’) are generally valued higher than timber characterized with widespread and diverse feature. However, this approach does not always represent today’s market demand and provides little financial incentive to process timber that contain large amounts of natural features. The aim of this study is to demonstrate a novel means to segregate sawn board from short-rotation Eucalypts into meaningful and useful groups based on the occurrence of knots. This new grading method results in a more precise description of the visual properties of sawn board more suited to emerging and existing markets. The proposed classification systems enables a shift away from prioritizing material without major growth feature and increases flexibility during specification and marketing of sawn board. Cluster analysis revealed 4 naturally occurring groups separated by the occurrence of knot size and type, color, and size of board sections containing specified features.

Item Details

Item Type:Non Refereed Conference Paper
Keywords:acoustics, sound absorption, design, balsa wood.
Research Division:Built Environment and Design
Research Group:Design Practice and Management
Research Field:Design Innovation
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in Built Environment and Design
UTAS Author:Davis, K (Mr Kent Davis)
UTAS Author:Kotlarewski, N (Dr Nathan Kotlarewski)
UTAS Author:Orr, K (Professor Kirsten Orr)
UTAS Author:Nolan, G (Professor Gregory Nolan)
ID Code:129143
Year Published:2018
Deposited By:Architecture and Design
Deposited On:2018-11-12
Last Modified:2018-11-15
Downloads:0

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