Predicting the young’s modulus of defect free radiata pine shooks in finger-jointing using resonance frequency

Predicting the young’s modulus of defect free radiata pine shooks in finger-jointing using resonance frequency

In this paper, dynamic MOE and static MOE of short-length radiata pine specimens produced for finger jointing were measured using non-destructive technique and correlated to each other. In order to obtain reliable static MOE data, 36 mm thickness shooks as well as the matched samples of reduced thic...

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Autores principales: How,S.S, Williamson,C.J, Carradine,D, Tan,Y.E, Cambridge,J, Pang,S
Lenguaje:English
Publicado: Universidad del Bío-Bío 2014
Materias:
Dynamic MOE
static MOE
finger-jointing
radiata pine
non-destructive tool
modelling
shooks
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2014000400006
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spelling oai:scielo:S0718-221X20140004000062014-10-10Predicting the young’s modulus of defect free radiata pine shooks in finger-jointing using resonance frequencyHow,S.SWilliamson,C.JCarradine,DTan,Y.ECambridge,JPang,S Dynamic MOE static MOE finger-jointing radiata pine non-destructive tool modelling shooks In this paper, dynamic MOE and static MOE of short-length radiata pine specimens produced for finger jointing were measured using non-destructive technique and correlated to each other. In order to obtain reliable static MOE data, 36 mm thickness shooks as well as the matched samples of reduced thickness (15mm) were tested, and the effect of annual growth rings on dynamic and static MOE is also addressed. Mathematical correlations were fitted between the dynamic MOE for the 36 mm thick shooks and the static MOE of the 15 mm thick samples. The coefficient of determination for dynamic MOE group 4,00-7,99 GPa was the strongest (R2= 0,82) and the correlation strength was further improved for sorted quarter sawn samples (R2= 0,92). Finally, the correlation between static modulus of rupture (MOR) and dynamic MOE is discussed.info:eu-repo/semantics/openAccessUniversidad del Bío-BíoMaderas. Ciencia y tecnología v.16 n.4 20142014-10-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2014000400006en
institution Scielo Chile
collection Scielo Chile
language English
topic Dynamic MOE
static MOE
finger-jointing
radiata pine
non-destructive tool
modelling
shooks
spellingShingle Dynamic MOE
static MOE
finger-jointing
radiata pine
non-destructive tool
modelling
shooks
How,S.S
Williamson,C.J
Carradine,D
Tan,Y.E
Cambridge,J
Pang,S
Predicting the young’s modulus of defect free radiata pine shooks in finger-jointing using resonance frequency
description In this paper, dynamic MOE and static MOE of short-length radiata pine specimens produced for finger jointing were measured using non-destructive technique and correlated to each other. In order to obtain reliable static MOE data, 36 mm thickness shooks as well as the matched samples of reduced thickness (15mm) were tested, and the effect of annual growth rings on dynamic and static MOE is also addressed. Mathematical correlations were fitted between the dynamic MOE for the 36 mm thick shooks and the static MOE of the 15 mm thick samples. The coefficient of determination for dynamic MOE group 4,00-7,99 GPa was the strongest (R2= 0,82) and the correlation strength was further improved for sorted quarter sawn samples (R2= 0,92). Finally, the correlation between static modulus of rupture (MOR) and dynamic MOE is discussed.
author How,S.S
Williamson,C.J
Carradine,D
Tan,Y.E
Cambridge,J
Pang,S
author_facet How,S.S
Williamson,C.J
Carradine,D
Tan,Y.E
Cambridge,J
Pang,S
author_sort How,S.S
title Predicting the young’s modulus of defect free radiata pine shooks in finger-jointing using resonance frequency
title_short Predicting the young’s modulus of defect free radiata pine shooks in finger-jointing using resonance frequency
title_full Predicting the young’s modulus of defect free radiata pine shooks in finger-jointing using resonance frequency
title_fullStr Predicting the young’s modulus of defect free radiata pine shooks in finger-jointing using resonance frequency
title_full_unstemmed Predicting the young’s modulus of defect free radiata pine shooks in finger-jointing using resonance frequency
title_sort predicting the young’s modulus of defect free radiata pine shooks in finger-jointing using resonance frequency
publisher Universidad del Bío-Bío
publishDate 2014
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-221X2014000400006
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