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Type: Artigo de periódico
Title: Evaluation Of Tsai-wu Criterion And Hankinson's Formula For A Brazilian Wood Species By Comparison With Experimental Off-axis Strength Tests
Author: Mascia N.T.
Nicolas E.A.
Abstract: This article presents a study based on the Tsai-Wu failure criterion as well as Hankinson's formula that evaluates the off-axis strength of wood. For materials such as wood, the strengths are a function of the grain orientation and also are different in compression and tension for the same direction. By considering this anisotropic behaviour, the failure criterion of the Tsai-Wu was adopted in this work. To establish this criterion, the strengths were determined from compressive and tensile tests as well as shear and biaxial compressive tests. In addition, off-axis uniaxial tests were performed, and the experimental results were compared with those obtained by the discussed criteria. In these tests, specimens of Goupia glabra-Brazilian wood species were used. This study's most important conclusion was: the predictive ability of the Tsai-Wu criterion was close to that of Hankinson's formula and fits the experimental results of the compressive and tensile tests well. © 2012 Copyright Taylor and Francis Group, LLC.
Rights: fechado
Identifier DOI: 10.1080/17480272.2012.654820
Date Issue: 2012
Appears in Collections:Unicamp - Artigos e Outros Documentos

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