Shear and longitudinal modulus of elasticity in wood: relations based on static bending tests

Improve quality of timber structures design is an aim that must be systematically sought by engineers in this area. An important topic that can contribute directly to be achieved in this subject is the more consistent knowledge related to structural properties of wood. Know values of longitudinal mo...

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Published in:Acta scientiarum. Technology Vol. 39; no. 4; pp. 433 - 437
Main Authors: Lahr, Francisco Antonio Rocco, Christoforo, André Luis, Varanda, Luciano Donizeti, Chahud, Eduardo, Araújo, Victor Almeida De, Branco, Luiz Antonio Melgaço Nunes
Format: Journal Article
Language:English
Published: Maringa Editora da Universidade Estadual de Maringá - EDUEM 2017
Universidade Estadual de Maringá
Subjects:
Bend tests
Design engineering
Elastic properties
Equivalence
Glulam
longitudinal modulus of elasticity
Modulus of elasticity
Plates (structural members)
Shear modulus
static bending test
Timber
Timber (structural)
Wooden structures
ISSN:1806-2563, 1807-8664, 1806-2563
Online Access:Get full text
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Summary:Improve quality of timber structures design is an aim that must be systematically sought by engineers in this area. An important topic that can contribute directly to be achieved in this subject is the more consistent knowledge related to structural properties of wood. Know values of longitudinal modulus of elasticity (E) and shear modulus (G) is essential for proper evaluation of plate structures performance, as example. It has been usual to adopt statistical equivalence for E and G values in plans longitudinal-radial and longitudinal-tangential, although experimental confirmation of this hypothesis is required. In this context, the aim of this work is to determine values of ELR, ELT, GLR and GLT, based on static bending tests, to five dicotyledonous species. Results showed statistical equivalence between the elastic properties in both plans, and the relation E = 35G was obtained for the five wood species here considered.
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ISSN:1806-2563
1807-8664
1806-2563
DOI:10.4025/actascitechnol.v39i4.30512