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<identifier>oai:HAL:hal-00913611v1</identifier>
<datestamp>2014-10-28</datestamp>
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<setSpec>subject:phys</setSpec>
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<publisher>HAL CCSD</publisher>
<title lang=en>Patterns of distribution of longitudinal and tangential maturation stresses in Eucalyptus nitens plantation trees</title>
<creator>Clair, Bruno</creator>
<creator>Alteyrac, Jérôme</creator>
<creator>Gronvold, Arthur</creator>
<creator>Espejo, Jaime</creator>
<creator>Chanson, Bernard</creator>
<creator>Alméras, Tancrède</creator>
<contributor>Mécanique de l'arbre et du bois ; Laboratoire de Mécanique et Génie Civil (LMGC) ; CNRS - Université de Montpellier (UM) - CNRS - Université de Montpellier (UM) - Ecologie des forêts de Guyane (ECOFOG) ; Université des Antilles et de la Guyane (UAG) - AgroParisTech - Institut national de la recherche agronomique (INRA) - Centre de coopération internationale en recherche agronomique pour le développement [CIRAD] - CNRS - Université des Antilles et de la Guyane (UAG) - AgroParisTech - Institut national de la recherche agronomique (INRA) - Centre de coopération internationale en recherche agronomique pour le développement [CIRAD] - CNRS</contributor>
<contributor>Facultad de ciencias forestales ; Universidad de Concepción</contributor>
<contributor>Mécanique de l'arbre et du bois ; Laboratoire de Mécanique et Génie Civil (LMGC) ; CNRS - Université de Montpellier (UM) - CNRS - Université de Montpellier (UM)</contributor>
<description>International audience</description>
<source>Annals of Forest Science</source>
<publisher>Springer Verlag (Germany)</publisher>
<identifier>hal-00913611</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00913611</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00913611/document</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00913611</source>
<source>Annals of Forest Science, Springer Verlag (Germany), 2013, 68 (4), pp.681-688. <10.1007/s13595-013-0318-4></source>
<identifier>DOI : 10.1007/s13595-013-0318-4</identifier>
<language>en</language>
<subject>[SPI.MECA.BIOM] Engineering Sciences/Mechanics/Biomechanics</subject>
<subject>[PHYS.MECA.BIOM] Physics/Mechanics/Biomechanics</subject>
<type>Journal articles</type>
<description lang=en>*Context: Tree orientation is controlled by asymmetric mechanical stresses set during wood maturation. The magnitude of maturation stress differs between longitudinal and tangential directions, and between normal and tension woods. * Aims: We aimed at evaluating patterns of maturation stress on eucalypt plantation trees and their relation with growth, with a focus on tangential stress evaluation. * Methods: Released maturation strains along longitudinal and tangential directions were measured around the circumference of 29 Eucalyptus nitens trees, including both straight and leaning trees. * Results: Most trees produced asymmetric patterns of longitudinal maturation strain but more than half of the maturation strain variability occurred between trees. Many trees produced high longitudinal tensile stress all around their circumference. High longitudinal tensile stress was not systematically associated with the presence of gelatinous layer. The average magnitude of released longitudinal maturation strain was found negatively correlated to the growth rate. A methodology is proposed to ensure reliable evaluation of released maturation strain in both longitudinal and tangential directions. Tangential strain evaluated with this method was lower than previously reported. * Conclusion: The stress was always tensile along longitudinal direction and compressive along tangential direction, and their respective magnitude was positively correlated. This correlation does not result from a Poisson effect but may be related to the mechanism of maturation stress generation.</description>
<date>2013</date>
</dc>
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