2014
DOI: 10.1590/s0100-67622014000100020
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Abstract: RESUMO -O conhecimento do comportamento da madeira mediante ações de curta duração contribui para um projeto estrutural mais seguro, entretanto não sendo a tenacidade parte integrante das propriedades mecânicas comumente investigadas na caracterização deste material. Este trabalho objetivou avaliar, com o uso de modelos de regressões polinomial linear, quadrática e cúbica, a possibilidade da estimativa da tenacidade com o conhecimento da densidade aparente de seis espécies de madeira (Angico, Eucalipto, Jatobá… Show more

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Cited by 34 publications
(51 citation statements)
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“…Almeida et al [17], using linear, polynomial, quadratic and cubic regression models, evaluated the possibility of estimate toughness based on density for six wood species.…”
Section: Introductionmentioning
confidence: 99%
“…Almeida et al [17], using linear, polynomial, quadratic and cubic regression models, evaluated the possibility of estimate toughness based on density for six wood species.…”
Section: Introductionmentioning
confidence: 99%
“…From the adjustments considered significant in Table 4, only the strength in compression perpendicular to grain and the flexural modulus of elasticity are effectively considered as good adjustments, since they have coefficients of determination higher than 70%. It should be noted that Almeida et al (2014) found good regression models (R 2 > 70%) in the estimation of hardness of the hardwoods group as a function of apparent density, and these results were justified by the use of species of different densities.…”
Section: Resultsmentioning
confidence: 74%
“…It is denser than medium apparent density woods, such as Liquidambar sp. (Freitas et al, 2015), Pinus and Teca (Almeida et al, 2014), Cedrela fissilis, Clonal hybrids and Hovenia dulcis (Motta et al, 2014), ranging from 0.478 to 0.577 g/cm³. Light wood, such as Toona ciliata (Braz et al, 2013), Paricá (Almeida et al, 2013) and Gallesia integrifólia (Motta et al, 2014) have a density varying between 0.318 g/cm³ and 0.370 g/cm³.…”
Section: Resultsmentioning
confidence: 99%
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