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      VARIACÓN RADIAL Y AXIAL DEL HINCHAMIENTO, DEL FACTOR ANISOTRÓPICO Y DE LA DENSIDAD, EN EL EUCALYPTUS GRANDIS DE ARGENTINA Translated title: RADIAL AND AXIAL VARIATION OF SWELLING, ANISOTROPY AND DENSITY, IN ARGENTINEAN EUCALYPTUS GRANDIS

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          Abstract

          En este trabajo se presentan los resultados de una investigación orientada a estudiar la variación de los hinchamientos tangencial y radial, así como del coeficiente de anisotropía y la densidad anhidra, en función de la altura y la distancia a la médula de árboles de Eucalyptus grandis cultivados en la Mesopotamia de Argentina. Con este propósito se diseñó y llevó a cabo una investigación empírica con muestras seleccionadas al azar. Los resultados muestran que, para propósitos prácticos, puede asumirse que el hinchamiento y el coeficiente de anisotropía tienen una tendencia decreciente al aumentar la altura, y creciente al aumentar la distancia a la médula. La madera de la periferia exhibe un comportamiento más desfavorable desde el punto de vista de los movimientos dimensionales que la del interior del tronco, si bien presenta mayor densidad y consecuentemente mejor calidad para numerosos empleos

          Translated abstract

          The present paper reports the results of an investigation regarding the variation in swelling, coefficient of anisotropy and density, as a function of the distance from the pith and the height, in trees of Argentinean Eucalyptus grandis. For this purpose an empirical research project with samples randomly selected was designed and carried out. According to the results and for practical purposes, it may be assumed that swelling and the coefficient of anisotropy decrease with height and increase with the distance from the pith. Wood of the outer part of the tree stem exhibits more problems related to dimensional changes than wood of the inner part of the tree stem, even though it presents higher density and, consequently, higher quality for many purposes

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          Most cited references11

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          Wood-determination of density for physical and mechanical tests

          (1976)
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            Visual strength grading of Argentinean Eucalyptus grandis: Strength, stiffness and density profiles and corresponding limits for the main grading parameters

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              • Abstract: not found
              • Article: not found

              Eucalypts for wood production

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                maderas
                Maderas. Ciencia y tecnología
                Maderas, Cienc. tecnol.
                Universidad del Bío-Bío (Concepción )
                0718-221X
                2006
                : 8
                : 3
                : 159-168
                Affiliations
                [1 ] UTN Argentina
                [2 ] UNMdP- CONICET Argentina
                Article
                S0718-221X2006000300003
                10.4067/S0718-221X2006000300003
                70a82f66-0dbc-45e2-8e5b-c8b31c4327fb

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Chile

                Self URI (journal page): http://www.scielo.cl/scielo.php?script=sci_serial&pid=0718-221X&lng=en
                Categories
                MATERIALS SCIENCE, PAPER & WOOD

                General materials science
                Eucalyptus grandis,swelling,coefficient of anisotropy,density,hinchamiento,coeficiente de anisotropía,densidad

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