The effects of pilot hole, screw types and layer thickness on the withdrawal strength of screws in laminated veneer lumber

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dc.contributor.authorOzcifci, Ayhan
dc.date.accessioned2024-09-29T15:57:52Z
dc.date.available2024-09-29T15:57:52Z
dc.date.issued2009
dc.departmentKarabük Üniversitesien_US
dc.description.abstractThe objective of this study was to evaluate the effects of screw type, pilot hole and layer thickness on the withdrawal strength of some screws in laminated veneer lumbers (LVL). For this purpose, three, four and five layered laminated samples were produced in different veneer thickness (4, 5 and 7 mm) of Uludag fir (Abies bornmulleriana Mattf.) and oak (Quercus petraea spp.) woods. And melamine-formaldehyde (MF) and phenol-formaldehyde (PF) adhesives were also used for laminated veneer lumber manufacturing. Withdrawal strength test was applied on the test samples. According to the test results, it was found that the highest withdrawal strength was obtained in oak samples having 4 mm veneer thickness bonded with PF for 3.5 x 16 screw as 23.14 MPa, the lowest was obtained for Uludag fir having 5 mm veneer thickness bonded with MF adhesive with 4.0 x 50 screw as 7.61 MPa. The use of proper size of pilot holes is advised in order to avoid splitting of the face during insertion of screws as well as to obtain maximum withdrawal strength. (c) 2008 Elsevier Ltd. All rights reserved.en_US
dc.description.sponsorshipKarabuk Universityen_US
dc.description.sponsorshipThe author thanks Karabuk University to support the materials and also thanks Cumhur ENISER for his great help in this study.en_US
dc.identifier.doi10.1016/j.matdes.2008.11.001
dc.identifier.endpage2358en_US
dc.identifier.issn0264-1275
dc.identifier.issn1873-4197
dc.identifier.issue7en_US
dc.identifier.scopus2-s2.0-67349257890en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage2355en_US
dc.identifier.urihttps://doi.org/10.1016/j.matdes.2008.11.001
dc.identifier.urihttps://hdl.handle.net/20.500.14619/5064
dc.identifier.volume30en_US
dc.identifier.wosWOS:000266784700009en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofMaterials & Designen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAdhesiveen_US
dc.subjectBondingen_US
dc.subjectAdhesionen_US
dc.subjectLaminatesen_US
dc.subjectJoiningen_US
dc.titleThe effects of pilot hole, screw types and layer thickness on the withdrawal strength of screws in laminated veneer lumberen_US
dc.typeArticleen_US

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