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Sorting plantation Eucalyptus nitens logs with acoustic wave velocity

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Published Date

May 2008

This project evaluated Acoustic wave velocity (AWV) as a direct measure of wood stiffness using two age classes (8 years and 13–15 years) of Eucalyptus nitens. Standing trees and felled logs were measured before and after harvest using readily available stress wave timing tools (FAKOPP and Hitman). Logs were sawn, dried and finished according to normal structural processing requirements. One sample board per log was then tested for stiffness, bending strength and hardness. Log samples were also collected to determine green and basic density, and relationships between the evaluated wood properties and AWV measurements in trees and logs were determined

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R. Farrell and G. Nolan, Centre for Sustainable Architecture with Wood, University of Tasmania

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