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    <subfield code="a">Loiola, Pedro L&#xED;cio </subfield>
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    <subfield code="a">Influ&#xEA;ncia dos Par&#xE2;metros Dimensionais da Pilha na Qualidade da Madeira de Eucalyptus spp. Submetida &#xE0; Secagem ao Ar</subfield>
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    <subfield code="a">Publica&#xE7;&#xE3;o on-line; 24 ref.; 6 tables; 2 illus.; Summaries (En, Pt)</subfield>
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RESUMO

Este trabalho teve como objetivo avaliar a influ&#xEA;ncia da largura da pilha de madeira e da espessura
dos separadores na velocidade de secagem, nos defeitos gerados e da distribui&#xE7;&#xE3;o de umidade
na madeira de Eucalyptus spp. Foram testadas duas larguras de pilhas (1.800 e 900 mm), ambas
com 3.000 mm de comprimento, constru&#xED;das com separadores de 20 e 25 mm de espessura.
Foram avaliados a velocidade de secagem, a distribui&#xE7;&#xE3;o da umidade final e os principais defeitos
gerados ap&#xF3;s 90 dias de secagem ao ar. A redu&#xE7;&#xE3;o da largura da pilha ocasionou um aumento
da velocidade de secagem, sendo o resultado mais satisfat&#xF3;rio para a pilha confeccionada com
separador de 25 mm de espessura. Para a qualidade da madeira de Eucalyptus spp. ap&#xF3;s a
secagem ao ar, houve influ&#xEA;ncia da redu&#xE7;&#xE3;o da largura da pilha, a qual reduziu a umidade final
das t&#xE1;buas e a varia&#xE7;&#xE3;o de umidade entre as t&#xE1;buas, e os defeitos gerados foram inferiores aos
limites estabelecidos pela norma.

Palavras-chave: pilha de madeira, taxa de secagem, umidade final, defeitos de
secagem.





Influence of Wood Stack Dimensional Parameters in Quality of Eucalyptus spp. Submitted to Air Drying

ABSTRACT

This study aimed to evaluate the influence of the width of the sawn timber stack and thickness
of the stickers in the drying velocity, the generated defects and moisture distribution within the
stack in Eucalyptus spp.. Two widths of stacks were tested (1800 and 900 mm), both 3000 mm long,
constructed with 20 and 25 mm thick stickers. We evaluated the drying rate, final moisture in
distribution and main defects generated after 90 days of air drying. Reducing the width of the
stack caused an increase in drying velocity, the most satisfactory results for the timber stack
made with 25 mm thickness. The reduction of the wood stack width influenced the quality of
Eucalyptus spp. after air drying, showing a decrease of the final moisture of the lumber boards.
The moisture variation between the boards and the defects generated were below the limits set
by default.

Keywords: timber stacks, drying rate, final moisture, defects drying.</subfield>
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    <subfield code="a">MADEIRA</subfield>
  </datafield>
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    <subfield code="a">SECAGEM</subfield>
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    <subfield code="a">UMIDADE</subfield>
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  <datafield tag="650" ind1=" " ind2=" ">
    <subfield code="a">EUCALYPTUS SPP</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. 1-10; (2017)</subfield>
    <subfield code="w">BR2026000251</subfield>
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    <subfield code="u">https://www.scielo.br/j/floram/a/Vrbv5hZb5VvhBJtxdDLs39M/?format=pdf&amp;lang=pt</subfield>
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