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European Journal of Wood and Wood Products

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16-04-2016 | Original

Predicting the static modulus of elasticity in eastern cottonwood (Populus deltoides) using stress wave non-destructive testing in standing trees

Authors: Mehrab Madhoushi, Soheyla Daneshvar

Published in: European Journal of Wood and Wood Products | Issue 6/2016

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Abstract

In this paper, a correlation between the dynamic modulus of elasticity (MOE_d) in healthy standing trees of eastern cottonwood and the static modulus of elasticity (MOE_s) in sawn wood is proposed. Stress-wave non-destructive testing (stress-wave NDT) was performed using two transverse and two longitudinal directions in 14 trees at breast height and in logs at three heights to measure the wave speed and MOE_d. Finally, MOE_s was calculated by using 3-point bending tests in the sawn wood. The results showed that the MOE_d of trees and logs was greater in the longitudinal than in the transverse direction. A significantly high correlation coefficient exists between MOE_s and MOE_d (r = 0.7).

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Title: Predicting the static modulus of elasticity in eastern cottonwood (Populus deltoides) using stress wave non-destructive testing in standing trees
Authors: Mehrab Madhoushi
Soheyla Daneshvar
Publication date: 16-04-2016
Publisher: Springer Berlin Heidelberg
Published in: European Journal of Wood and Wood Products / Issue 6/2016
Print ISSN: 0018-3768
Electronic ISSN: 1436-736X
DOI: https://doi.org/10.1007/s00107-016-1043-0

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