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Improving the stiffness of the corner connections in wooden door frames

cris.virtual.author-orcid0000-0001-5432-4738
cris.virtual.author-orcid0000-0001-9356-0426
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dc.abstract.enResearch was carried out to determine the strength and stiffness of corner joints in interior door frames, depending on their construction and on modifications made to their design. Initially, two models were compared: model 1, with two connectors using a clamping screw at an angle of 45°, and model 0, with a single connector using a cam joint at an angle of 90°. In all tests, model 1 exhibited significantly better mechanical properties. To improve the performance of model 0, three alternative construction models (A, B, and C) were proposed by changing the position of the door frame mounting holes. In the compression test, model A achieved an increased bending moment compared to model 0, while models B and C showed no such improvement. In the tension test, the bending moment values remained at a similar level across all construction variants, including model 0. In terms of bending moment, the best result in compression was achieved by model A (48.26 Nm), and in tension by model B (48.72 Nm). The highest stiffness was demonstrated by model 1 (up to 42.38 kNm/rad), while among the alternative models, model C achieved the best result in tension (33.98 kNm/rad). Due to the favourable increase in bending moment under compression in model A and the insignificant changes under tension across all variants, model A is considered the optimal solution. To enhance the strength of the door frame, offset holes can be applied as proposed in this model.
dc.affiliationWydział Leśny i Technologii Drewna
dc.affiliation.instituteKatedra Meblarstwa
dc.contributor.authorKwidziński, Zdzisław
dc.contributor.authorWiaderek, Krzysztof
dc.contributor.authorLagana, Rastislav
dc.contributor.authorPotok, Zbigniew
dc.contributor.authorPrałat, Barbara
dc.contributor.authorWilczyński, Adam
dc.contributor.authorPędzik, Marta
dc.contributor.authorDrewczyński, Marcin
dc.contributor.authorRogoziński, Tomasz
dc.date.access2025-10-06
dc.date.accessioned2025-10-06T11:57:07Z
dc.date.available2025-10-06T11:57:07Z
dc.date.copyright2025-07-11
dc.date.issued2025-10-06
dc.description.abstract<jats:p>The research aimed to determine the strength and stiffness of corner joints in interior door frames, depending on their construction and the modifications made to the design of the door frame joints. Initially, two models were compared: model 1, with two connectors using a clamping screw at an angle of 45°, and model 0, with a single connector using a cam joint at an angle of 90°. In all tests, model 1 exhibited significantly better mechanical properties. To improve the performance of model 0, three alternative construction models (A, B, and C) were proposed by changing the position of the door frame mounting holes. In the compression test, model A showed an increased bending moment compared to model 0, while models B and C showed no such improvement. In the tension test, the bending moment values remained at a similar level across all construction variants, including model 0. In terms of bending moment, the best result in compression was achieved by model A (48.26 Nm), and in tension by model B (48.72 Nm). The highest stiffness was demonstrated by model 1 (up to 42.38 kNm/rad), while among the alternative models, model C showed the best result in tension (33.98 kNm/rad). Due to the favourable increase in bending moment under compression in model A and the insignificant changes under tension across all variants, model A is considered the optimal solution. To enhance the strength of the door frame, offset holes can be applied as proposed in this model.</jats:p>
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if0,9
dc.description.number216
dc.description.points100
dc.description.versionfinal_published
dc.description.volume68
dc.identifier.doi10.53502/wood-204220
dc.identifier.eissn2956-9141
dc.identifier.issn1644-3985
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/5204
dc.identifier.weblinkhttps://www.drewno-wood.pl/Improving-the-stiffness-of-the-corner-connections-in-wooden-door-frames,204220,0,2.html
dc.languageen
dc.relation.ispartofDrewno
dc.relation.pagesart. 00061
dc.rightsCC-BY
dc.sciencecloudnosend
dc.share.typeOPEN_JOURNAL
dc.subject.enoptimisation
dc.subject.enjoints
dc.subject.enstiffness
dc.subject.enbending moment
dc.subject.encompression
dc.subject.entension
dc.subject.enwooden door frames
dc.titleImproving the stiffness of the corner connections in wooden door frames
dc.typeJournalArticle
dspace.entity.typePublication