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Effect of Green Density Values on Pinus radiata Stiffness Estimation using a Stress-wave Technique

Wielinga, Benjamin; Raymond, Carolyn; James, Ryde; Matheson, A. Colin


Use of acoustic tools for assessing stiffness of green wood in standing trees relies on the assumption of a constant value for wood density. This study examined the variability in the green density of the outerwood (outer 5 rings) of 13-year-old Pinus radiata D.Don trees and determined the error introduced by using a constant value. Assuming a constant green density introduced a small (~3%) error in the calculated modulus of elasticity (i.e. density 'as measured' x acoustic velocity2). Acoustic...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: New Zealand Journal of Forestry Science


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