2016
DOI: 10.1590/s1517-707620160004.0098
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Resistência da madeira ao cisalhamento paralelo às fibras segundo as normas ABNT NBR 7190:1997 e ISO 13910:2005

Abstract: RESUMO O conhecimento das propriedades físicas e mecânicas da madeira é essencial para o seu correto destino e uso final. Para uso estrutural, as normas técnicas estabelecem metodologias de ensaios para a determinação das propriedades mecânicas. No Brasil a norma para estruturas de madeira [1] atualmente encontra-se em processo de revisão. Uma das propostas da versão de revisão é a alteração de alguns procedimentos de ensaios usados na determinação das propriedades mecânicas da madeira. Tem-se observado que vá… Show more

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Cited by 23 publications
(15 citation statements)
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“…In recent years, research has assessed the accuracy of estimated properties obtained through relationships provided by ABNT NBR 7190 (1997) and determined coefficients that best fit the proposed relationships. Matos and Molina (2016) studied correlations between characteristic shear strength (fv0,k) and compressive strength parallel to the grain (fc0,k) of conifer (fv0,k = 0.15•fc0,k) and dicot (fv0,k = 0.12•fc0,k) woods. The authors evaluated Pinus elliotti and Eucalyptus saligna species and for conifer woods obtained a relation approximately 95% higher compared to that from ABNT NBR 7190 (1997).…”
Section: Introductionmentioning
confidence: 99%
“…In recent years, research has assessed the accuracy of estimated properties obtained through relationships provided by ABNT NBR 7190 (1997) and determined coefficients that best fit the proposed relationships. Matos and Molina (2016) studied correlations between characteristic shear strength (fv0,k) and compressive strength parallel to the grain (fc0,k) of conifer (fv0,k = 0.15•fc0,k) and dicot (fv0,k = 0.12•fc0,k) woods. The authors evaluated Pinus elliotti and Eucalyptus saligna species and for conifer woods obtained a relation approximately 95% higher compared to that from ABNT NBR 7190 (1997).…”
Section: Introductionmentioning
confidence: 99%
“…Another important characteristic of wood for timber structures is its moisture content (KOLMANN;CÔTÈ, 1968;HERZOG et al, 2000). In general, wood with higher moisture content presents lower mechanical properties (MATOS;MOLINA, 2016;ALMEIDA et al, 2016) and dimensional stability that is also influenced by moisture content (ALMEIDA et al, 2017).…”
Section: Introductionmentioning
confidence: 99%
“…The degradation of wood in use may occur due to the attack of xylophagous organisms or their exposure to weather conditions of high humidity and temperature contents (Andrade Junior et al, 2014;Barcík et al, 2015;Brito et al, 2016;Matos & Molina, 2016;Teodorescu et al, 2017).…”
Section: Introductionmentioning
confidence: 99%