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    <subfield code="a">Braz, Rafael Leite </subfield>
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    <subfield code="a">Oliveira, Jos&#xE9; Tarc&#xED;sio da Silva </subfield>
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    <subfield code="a">Rosado, Ant&#xF4;nio Marcos </subfield>
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    <subfield code="a">Vidaurre, Graziela Baptista </subfield>
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    <subfield code="a">Oliveira, Jos&#xE9; Geraldo Lima de </subfield>
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    <subfield code="a">Deforma&#xE7;&#xE3;o Residual Longitudinal de Clones de Eucalyptus em Local Sujeito a Ventos</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 24 ref.; 2 tables; 3 illus.; Summaries (En, Pt)</subfield>
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RESUMO

Durante o desenvolvimento das &#xE1;rvores, esfor&#xE7;os mec&#xE2;nicos s&#xE3;o gerados com o intuito de mant&#xEA;-la
em equil&#xED;brio e ereta em resposta a diversos fatores ambientais. Estes esfor&#xE7;os s&#xE3;o conhecidos
como tens&#xF5;es de crescimento e variam na sua distribui&#xE7;&#xE3;o e intensidade nas diferentes esp&#xE9;cies
do g&#xEA;nero Eucalyptus. Portanto, objetivou-se avaliar a deforma&#xE7;&#xE3;o residual longitudinal (DRL)
e sua rela&#xE7;&#xE3;o com as caracter&#xED;sticas de crescimento da &#xE1;rvore, propriedade f&#xED;sica e mec&#xE2;nica da
madeira de clones do h&#xED;brido Eucalyptus urophylla &#xD7; Eucalyptus grandis com 30 e 35 meses de
idade, em plantios florestais na regi&#xE3;o do Vale do Rio Doce, Minas Gerais, em &#xE1;reas sujeita a
forte a&#xE7;&#xE3;o dos ventos, que tem como consequ&#xEA;ncia o tombamento e at&#xE9; mesmo a quebra dessas
&#xE1;rvores. A DRL m&#xE9;dia foi de 0,086mm, e quando associada as outras caracter&#xED;sticas da madeira,
as correla&#xE7;&#xF5;es n&#xE3;o foram significativas. As caracter&#xED;sticas de crescimento das &#xE1;rvores, a densidade
b&#xE1;sica, o m&#xF3;dulo de elasticidade (MOE) e m&#xF3;dulo de ruptura (MOR) e trabalho absorvido n&#xE3;o
foram suficientes para explicar o comportamento da DRL.

Palavras-chave: tens&#xE3;o de crescimento, vento, Eucalyptus urophylla &#xD7; Eucalyptus
grandis.





Longitudinal Residual Strain of Eucalyptus Clone in Location Subject to Action
of Winds

ABSTRACT

During development and growth of trees, mechanical stresses are generated in order to keep it
balanced and upright in response to various environmental factors. These efforts are known as
growth stresses and can vary in distribution and intensity across different species of the genus
Eucalyptus. Thus, the objective was to evaluate the longitudinal residual strains (LRS) and its
correlations with tree growth features, physical and mechanical properties of the Eucalyptus
urophylla &#xD7; Eucalyptus grandis hybrid clones. Trees were 30 and 35 months old, located in forest
plantations of Vale do Rio Doce, Minas Gerais, in areas subject to wind action, with damping
effect and even the breaking of these trees. The LRS measured with extensometer was on average
0.086mm and when associated with other characteristics of the wood, the correlations were not
significant. The growth characteristics of trees, basic density, modulus of elasticity (MOE) and
modulus of rupture (MOR), and absorbed work were not enough to explain the LRS behavior.

Keywords: stress growth, wind, Eucalyptus urophylla &#xD7; Eucalyptus grandis.</subfield>
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    <subfield code="a">VENTO</subfield>
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    <subfield code="a">EUCALYPTUS UROPHYLLA</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">EUCALYPTUS GRANDIS</subfield>
  </datafield>
  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">CRESCIMENTO</subfield>
  </datafield>
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    <subfield code="a">ESTRUTURA VEGETAL</subfield>
  </datafield>
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    <subfield code="0">2929</subfield>
    <subfield code="9">347945</subfield>
    <subfield code="d">Rio de Janeiro-RJ Instituto de Florestas - UFRRJ 1994</subfield>
    <subfield code="o">2025-0444</subfield>
    <subfield code="t">Floresta e Ambiente (Brazil)</subfield>
    <subfield code="x">1415-0980  /  ISSN 2179-8087 0nline</subfield>
    <subfield code="g">v. 24 p. 1-9; (2017)</subfield>
    <subfield code="w">BR2026000204</subfield>
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    <subfield code="u">https://www.scielo.br/j/floram/a/M5MLQqsyWbzr5QksrRDscsd/?format=pdf&amp;lang=pt</subfield>
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