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Production of glued laminated timber with copper azole treated maritime pine

2009-05Journal article Open access
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datacite.subject.fosCiências Agrárias::Agricultura, Silvicultura e Pescas
datacite.subject.fosCiências Naturais::Outras Ciências Naturais
dc.contributor.authorGaspar, Florindo
dc.contributor.authorCruz, Helena
dc.contributor.authorGomes, Augusto
dc.contributor.authorNunes, Lina
dc.date.accessioned2025-11-13T12:31:31Z
dc.date.available2025-11-13T12:31:31Z
dc.date.issued2009-05
dc.descriptionFonte: https://www.researchgate.net/publication/226806272_Production_of_glued_laminated_timber_with_copper_azole_treated_maritime_pine
dc.description.abstractA study was conducted to evaluate the performance of glued laminated timber (glulam) of maritime pine treated with a copper azole preservative product. Shear strength of glue lines met the requirements of EN 386 (2001) with no influence of clamping pressure and cure temperature. According to the same standard, delamination was satisfactory for higher cure temperatures applied with a clamping pressure of 0.6 N/mm2. Finger joints made with treated wood gave satisfactory bending strength. The preservative treatment did not influence the modulus of elasticity of the beams. According to a Monte Carlo simulation and following the requirements of EN 1194 (2002), glulam of class GL 28c can be manufactured if visually graded maritime pine of classes E and EE (NP 4305 1995) is used in the inner and outer lamellas, respectively, and class GL 24h when using both grades in equal proportions randomly distributed through the glulam element.eng
dc.description.abstractIn dieser Studie wurden die Eigenschaften von Brettschichtholz (Glulam) aus Strandkiefernholz, das mit Kupferazol-Schutzmittel behandelt wurde, untersucht. Die Scherfestigkeit der Klebstofffugen erfüllte die Anforderungen der EN 386 (2001). Dabei hatten der Pressdruck und die Aushärtungstemperatur keinen Einfluss. Bei höheren Aushärtungstemperaturen und einem Spanndruck von 0,6 N/mm² ergaben sich bezüglich den Anforderungen der EN 386 zufrieden stellende Delaminierungsergebnisse. Die Biegefestigkeit der Keilzinkenverbindungen aus behandeltem Holz war ebenfalls zufrieden stellend. Die Schutzmittelbehandlung hatte keinen Einfluss auf den E-Modul der Träger. Eine Monte-Carlo-Simulation ergab, dass auf Basis der EN 1194 (2002) Brettschichtholz der Klasse GL 28c hergestellt werden kann, wenn für die inneren bzw. äußeren Lamellen visuell sortiertes Strandkiefernholz der Klassen E bzw. EE (NP4305:1995) verwendet wird, oder dass Klasse GL24h hergestellt werden kann, wenn beide Klassen zu gleichen Anteilen zufällig im Querschnitt verteilt verwendet werden.deu
dc.description.sponsorshipThe authors wish to thank Fundação para a Ciência e a Tecnologia (Portuguese Foundation for Science and Technology), for the PhD grant (number SFRH/BD/30310/2006) given to Florindo Gaspar, and to Arch Timber Protection Ltd for the support.
dc.identifier.citationGaspar, F., Cruz, H., Gomes, A. et al. Production of glued laminated timber with copper azole treated maritime pine. Eur. J. Wood Prod. 68, 207–218 (2010). https://doi.org/10.1007/s00107-009-0373-6.
dc.identifier.doi10.1007/s00107-009-0373-6
dc.identifier.eissn1436-736X
dc.identifier.issn0018-3768
dc.identifier.urihttp://hdl.handle.net/10400.8/14606
dc.language.isoeng
dc.peerreviewedno
dc.publisherSpringer Nature
dc.relationAVALIAÇÃO DA INTEGRIDADE DE ESTRUTURAS DE MADEIRA LAMELADA-COLADA EM SERVIÇO
dc.relation.hasversionhttps://link.springer.com/article/10.1007/s00107-009-0373-6
dc.relation.ispartofEuropean Journal of Wood and Wood Products
dc.rights.uriN/A
dc.subjectShear Strength
dc.subjectTreated Wood
dc.subjectAITC
dc.subjectUntreated Wood
dc.subjectGlue Line
dc.titleProduction of glued laminated timber with copper azole treated maritime pineeng
dc.title.alternativeHerstellung von Brettschichtholz aus mit Kupferazol behandelter Strandkieferdeu
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAVALIAÇÃO DA INTEGRIDADE DE ESTRUTURAS DE MADEIRA LAMELADA-COLADA EM SERVIÇO
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/PIDDAC/SFRH%2FBD%2F30310%2F2006/PT
oaire.citation.endPage25
oaire.citation.startPage1
oaire.citation.titleEuropean Journal of Wood and Wood Products
oaire.fundingStreamPIDDAC
oaire.versionhttp://purl.org/coar/version/c_71e4c1898caa6e32
person.familyNameGaspar
person.givenNameFlorindo
person.identifier.ciencia-idB815-2FE8-CFBB
person.identifier.orcid0000-0001-7031-6260
person.identifier.ridO-4760-2016
person.identifier.scopus-author-id26538571900
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
relation.isAuthorOfPublication71101af5-fd87-4d1a-b448-6d280e57c0b5
relation.isAuthorOfPublication.latestForDiscovery71101af5-fd87-4d1a-b448-6d280e57c0b5
relation.isProjectOfPublication74127480-0f8c-41d9-927d-ed46659b9c32
relation.isProjectOfPublication.latestForDiscovery74127480-0f8c-41d9-927d-ed46659b9c32

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A study was conducted to evaluate the performance of glued laminated timber (glulam) of maritime pine treated with a copper azole preservative product. Shear strength of glue lines met the requirements of EN 386 (2001) with no influence of clamping pressure and cure temperature. According to the same standard, delamination was satisfactory for higher cure temperatures applied with a clamping pressure of 0.6 N/mm2. Finger joints made with treated wood gave satisfactory bending strength. The preservative treatment did not influence the modulus of elasticity of the beams. According to a Monte Carlo simulation and following the requirements of EN 1194 (2002), glulam of class GL 28c can be manufactured if visually graded maritime pine of classes E and EE (NP 4305 1995) is used in the inner and outer lamellas, respectively, and class GL 24h when using both grades in equal proportions randomly distributed through the glulam element.
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