Desempenho de painéis de madeira laminada colada cruzada constituídos com eucalipto, seringueira e bambu

Detalhes bibliográficos
Autor(a) principal: Garcia, Hudson Venâncio Silva
Data de Publicação: 2021
Outros Autores: Furtini, Ana Carolina Corrêa, Brito, Flávia Maria Silva, Santos, Carolina Aparecida dos, Ribeiro, David Augusto, Guimarães Júnior, José Benedito, Mendes, Lourival Marin
Tipo de documento: Artigo
Idioma: por
Título da fonte: Repositório Institucional da UFLA
Texto Completo: http://repositorio.ufla.br/jspui/handle/1/49262
Resumo: The aim of this research was to evaluate the physical and mechanical properties of cross-glued laminated wood (MLCC) and cross-glued laminated bamboo (BLCC) panels. For the bonding of veneers of wood (Eucalyptus grandis and Hevea brasiliensis) and bamboo (Dendrocalamus giganteus) an adhesive based on resorcinol-formaldehyde (RF) was used in ratio 350 g.cm-2 per double line of glue. The slides were cold pressed under a pressure of 1MPa at room temperature for a period of 24 hours. Three species-based treatments were adopted: 1) eucalyptus lamellae; 2) rubber tree coverslips; 3) Bamboo Coverslips. Bulk density, moisture content, water absorption, static bending modulus of elasticity (MOE) and modulus of rupture (MOR) parallel and perpendicular and shear strength in the glue line were evaluated. The results of the chemical analysis indicated a higher content of extractives and lignin for eucalyptus. Bamboo had the highest density, differing significantly from the others. The rubber tree MLCC panels showed lower moisture content and higher water absorption rate. For the parallel MOE property, the rubber tree MLCC panels showed a higher mean value while the perpendicular MOR of the bamboo panels showed a higher mean value. For shear strength in the glue line, all evaluated treatments met the normative requirements of EN-314-2:1993. Among the species analyzed, bamboo is recommended, which has shown great potential for the manufacture of MLCC, in addition to representing a sustainable option for the future.
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spelling Desempenho de painéis de madeira laminada colada cruzada constituídos com eucalipto, seringueira e bambuPerformance of cross glued laminated wood panels made of eucalyptus, rubber tree and bambooRendimiento de paneles de madera laminada encolada cruzada de eucalipto, árbol del caucho y bambúProduto engenheiradoResorcinol-formaldeídoSustentabilidadeEngineered productResorcinol formaldehydeSustainabilityThe aim of this research was to evaluate the physical and mechanical properties of cross-glued laminated wood (MLCC) and cross-glued laminated bamboo (BLCC) panels. For the bonding of veneers of wood (Eucalyptus grandis and Hevea brasiliensis) and bamboo (Dendrocalamus giganteus) an adhesive based on resorcinol-formaldehyde (RF) was used in ratio 350 g.cm-2 per double line of glue. The slides were cold pressed under a pressure of 1MPa at room temperature for a period of 24 hours. Three species-based treatments were adopted: 1) eucalyptus lamellae; 2) rubber tree coverslips; 3) Bamboo Coverslips. Bulk density, moisture content, water absorption, static bending modulus of elasticity (MOE) and modulus of rupture (MOR) parallel and perpendicular and shear strength in the glue line were evaluated. The results of the chemical analysis indicated a higher content of extractives and lignin for eucalyptus. Bamboo had the highest density, differing significantly from the others. The rubber tree MLCC panels showed lower moisture content and higher water absorption rate. For the parallel MOE property, the rubber tree MLCC panels showed a higher mean value while the perpendicular MOR of the bamboo panels showed a higher mean value. For shear strength in the glue line, all evaluated treatments met the normative requirements of EN-314-2:1993. Among the species analyzed, bamboo is recommended, which has shown great potential for the manufacture of MLCC, in addition to representing a sustainable option for the future.O objetivo desta pesquisa foi avaliar as propriedades físicas e mecânicas dos painéis de madeira laminada colada cruzada (MLCC) e bambu laminada colado cruzado (BLCC). Para a colagem das lâminas de madeiras (Eucalyptus grandis e Hevea brasiliensis) e bambu (Dendrocalamus giganteus) foi utilizado o adesivo à base de resorcinolformaldeído (RF) com gramatura de 350 g.cm -2 por linha dupla de cola. As lâminas foram prensadas a frio sob pressão de 1MPa em temperatura ambiente durante o período de 24 horas. Foram adotados três tratamentos com base nas espécies: 1) lamelas de eucalipto; 2) lamelas de seringueira; 3) lamelas de bambu. Avaliou-se as propriedades densidade aparente, teor de umidade, absorção de água, flexão estática módulo de elasticidade (MOE) e módulo de ruptura (MOR) paralelo e perpendicular e resistência ao cisalhamento na linha de cola. Os resultados da análise química indicaram maior teor de extrativos e lignina para o eucalipto. O bambu foi o que apresentou maior densidade, diferindo-se significativamente das demais. Os painéis MLCC de seringueira evidenciaram menor teor de umidade e maior taxa de absorção de água. Para a propriedade MOE paralelo, os painéis MLCC de seringueira evidenciaram maior valor médio enquanto o MOR perpendicular dos painéis de bambu demonstraram maior valor médio. Para a resistência ao cisalhamento na linha de cola, todos os tratamentos avaliados atenderam a os requisitos normativos da EN-314-2 (1993). Dentre as espécies analisadas recomenda-se o bambu, que demonstrou grande potencial para a fabricação de MLCC além de representar uma opção sustentável para o futuro.Universidade Federal de Itajubá (UNIFEI), Campus Itabira2022-02-11T15:56:31Z2022-02-11T15:56:31Z2021-07-13info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfGARCIA, H. V. S. et al. Desempenho de painéis de madeira laminada colada cruzada constituídos com eucalipto, seringueira e bambu. Research, Society and Development, [S.l.], v. 10, n. 8, p. 1-12, 2021. DOI: DOI: 10.33448/rsd-v10i8.17181.http://repositorio.ufla.br/jspui/handle/1/49262Research, Society and Developmentreponame:Repositório Institucional da UFLAinstname:Universidade Federal de Lavras (UFLA)instacron:UFLAAttribution 4.0 Internationalhttp://creativecommons.org/licenses/by/4.0/info:eu-repo/semantics/openAccessGarcia, Hudson Venâncio SilvaFurtini, Ana Carolina CorrêaBrito, Flávia Maria SilvaSantos, Carolina Aparecida dosRibeiro, David AugustoGuimarães Júnior, José BeneditoMendes, Lourival Marinpor2022-02-11T15:56:31Zoai:localhost:1/49262Repositório InstitucionalPUBhttp://repositorio.ufla.br/oai/requestnivaldo@ufla.br || repositorio.biblioteca@ufla.bropendoar:2022-02-11T15:56:31Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)false
dc.title.none.fl_str_mv Desempenho de painéis de madeira laminada colada cruzada constituídos com eucalipto, seringueira e bambu
Performance of cross glued laminated wood panels made of eucalyptus, rubber tree and bamboo
Rendimiento de paneles de madera laminada encolada cruzada de eucalipto, árbol del caucho y bambú
title Desempenho de painéis de madeira laminada colada cruzada constituídos com eucalipto, seringueira e bambu
spellingShingle Desempenho de painéis de madeira laminada colada cruzada constituídos com eucalipto, seringueira e bambu
Garcia, Hudson Venâncio Silva
Produto engenheirado
Resorcinol-formaldeído
Sustentabilidade
Engineered product
Resorcinol formaldehyde
Sustainability
title_short Desempenho de painéis de madeira laminada colada cruzada constituídos com eucalipto, seringueira e bambu
title_full Desempenho de painéis de madeira laminada colada cruzada constituídos com eucalipto, seringueira e bambu
title_fullStr Desempenho de painéis de madeira laminada colada cruzada constituídos com eucalipto, seringueira e bambu
title_full_unstemmed Desempenho de painéis de madeira laminada colada cruzada constituídos com eucalipto, seringueira e bambu
title_sort Desempenho de painéis de madeira laminada colada cruzada constituídos com eucalipto, seringueira e bambu
author Garcia, Hudson Venâncio Silva
author_facet Garcia, Hudson Venâncio Silva
Furtini, Ana Carolina Corrêa
Brito, Flávia Maria Silva
Santos, Carolina Aparecida dos
Ribeiro, David Augusto
Guimarães Júnior, José Benedito
Mendes, Lourival Marin
author_role author
author2 Furtini, Ana Carolina Corrêa
Brito, Flávia Maria Silva
Santos, Carolina Aparecida dos
Ribeiro, David Augusto
Guimarães Júnior, José Benedito
Mendes, Lourival Marin
author2_role author
author
author
author
author
author
dc.contributor.author.fl_str_mv Garcia, Hudson Venâncio Silva
Furtini, Ana Carolina Corrêa
Brito, Flávia Maria Silva
Santos, Carolina Aparecida dos
Ribeiro, David Augusto
Guimarães Júnior, José Benedito
Mendes, Lourival Marin
dc.subject.por.fl_str_mv Produto engenheirado
Resorcinol-formaldeído
Sustentabilidade
Engineered product
Resorcinol formaldehyde
Sustainability
topic Produto engenheirado
Resorcinol-formaldeído
Sustentabilidade
Engineered product
Resorcinol formaldehyde
Sustainability
description The aim of this research was to evaluate the physical and mechanical properties of cross-glued laminated wood (MLCC) and cross-glued laminated bamboo (BLCC) panels. For the bonding of veneers of wood (Eucalyptus grandis and Hevea brasiliensis) and bamboo (Dendrocalamus giganteus) an adhesive based on resorcinol-formaldehyde (RF) was used in ratio 350 g.cm-2 per double line of glue. The slides were cold pressed under a pressure of 1MPa at room temperature for a period of 24 hours. Three species-based treatments were adopted: 1) eucalyptus lamellae; 2) rubber tree coverslips; 3) Bamboo Coverslips. Bulk density, moisture content, water absorption, static bending modulus of elasticity (MOE) and modulus of rupture (MOR) parallel and perpendicular and shear strength in the glue line were evaluated. The results of the chemical analysis indicated a higher content of extractives and lignin for eucalyptus. Bamboo had the highest density, differing significantly from the others. The rubber tree MLCC panels showed lower moisture content and higher water absorption rate. For the parallel MOE property, the rubber tree MLCC panels showed a higher mean value while the perpendicular MOR of the bamboo panels showed a higher mean value. For shear strength in the glue line, all evaluated treatments met the normative requirements of EN-314-2:1993. Among the species analyzed, bamboo is recommended, which has shown great potential for the manufacture of MLCC, in addition to representing a sustainable option for the future.
publishDate 2021
dc.date.none.fl_str_mv 2021-07-13
2022-02-11T15:56:31Z
2022-02-11T15:56:31Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv GARCIA, H. V. S. et al. Desempenho de painéis de madeira laminada colada cruzada constituídos com eucalipto, seringueira e bambu. Research, Society and Development, [S.l.], v. 10, n. 8, p. 1-12, 2021. DOI: DOI: 10.33448/rsd-v10i8.17181.
http://repositorio.ufla.br/jspui/handle/1/49262
identifier_str_mv GARCIA, H. V. S. et al. Desempenho de painéis de madeira laminada colada cruzada constituídos com eucalipto, seringueira e bambu. Research, Society and Development, [S.l.], v. 10, n. 8, p. 1-12, 2021. DOI: DOI: 10.33448/rsd-v10i8.17181.
url http://repositorio.ufla.br/jspui/handle/1/49262
dc.language.iso.fl_str_mv por
language por
dc.rights.driver.fl_str_mv Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Attribution 4.0 International
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade Federal de Itajubá (UNIFEI), Campus Itabira
publisher.none.fl_str_mv Universidade Federal de Itajubá (UNIFEI), Campus Itabira
dc.source.none.fl_str_mv Research, Society and Development
reponame:Repositório Institucional da UFLA
instname:Universidade Federal de Lavras (UFLA)
instacron:UFLA
instname_str Universidade Federal de Lavras (UFLA)
instacron_str UFLA
institution UFLA
reponame_str Repositório Institucional da UFLA
collection Repositório Institucional da UFLA
repository.name.fl_str_mv Repositório Institucional da UFLA - Universidade Federal de Lavras (UFLA)
repository.mail.fl_str_mv nivaldo@ufla.br || repositorio.biblioteca@ufla.br
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