Estimation of compression and shrinkage properties of brazilian tropical timber through porosimetry analysis by mercury intrusion
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Universidade Federal de Minas Gerais
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Artigo de periódico
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Membros da banca
Resumo
Wood is a natural material with properties that are strongly influenced by anatomical characteristics, so studies that aim to correlate properties through empirical equations in search of simplification to obtain the values of their characteristics are essential. In this context, this work aims to generate multiple regression models to estimate the properties of shrinkage and compression parallel and normal to the grain of Brazilian tropical woods as a function of the values of porosity, density, and for both properties, with porosity being obtained by mercury intrusion porosimetry. As a result, the radial (RRT) and total tangential (RTT) shrinkage could be estimated through porosity. However, it was not possible to estimate them considering only density as an independent variable. All the models that were used were able to accurately estimate the modulus of resistance and modulus of elasticity values (fc,0, Ec,0, fc,90, and Ec,90).
Abstract
Assunto
Madeira - Densidade, Porosidade, Engenharia civil
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Wood properties estimation, Porosity, Apparently density, Regression Models
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https://bioresources.cnr.ncsu.edu/resources/estimation-of-compression-and-shrinkage-properties-of-brazilian-tropical-timber-through-porosimetry-analysis-by-mercury-intrusion/