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dc.contributor.authorVojtila, Gabriellaen
dc.date.accessioned2020-05-29T17:19:55Z
dc.date.available2020-05-29T17:19:55Z
dc.identifier.urihttp://hdl.handle.net/1974/27859
dc.description.abstractThis thesis is split into two sections: the first evaluates the performance of pre-engineered beam-hanger connections under cyclic loading, and the second evaluates the reinforcement of holes in glulam beams using self-tapping screws. Chapter 3 describes laboratory testing of the Megant 430x150x50 beam-hanger connector under applied interstorey drift deflections based on a modified version of the CUREE loading protocol. The performance of the Megant 430x150x50 connector was evaluated and it was determined that the connector surpassed interstorey drift limits of 2.5%, outlined in the 2015 National Building Code of Canada. The failure of the connector was due to a combined tension and pull-out failure of the wood screws. It was observed that the gravity load has a significant effect on the interstorey drift capacity and energy dissipation by the connector. Chapter 4 describes experimental tests conducted on different size glulam beams: 6-layer, 9-layer and 11-layer. Each beam is tested under three test configurations: no hole, a 2-inch hole at ¼ span and a reinforced 2-inch hole at ¼ span. It was determined that when a hole is introduced, the overall strength capacity of the beam decreases. When self-tapping screws are used as reinforcement around the hole, the strength capacity of the beam can increase up to 34.4% compared to a hole with no reinforcement, and can even over-reinforce the beam by 6.2%, as seen in the 9-layer beam, when compared to its reference beam. The depth-to-span and diameter-to-depth of beam (d/h) ratios have a large impact on the strength and behavior of the beam.en
dc.language.isoengen
dc.relation.ispartofseriesCanadian thesesen
dc.rightsQueen's University's Thesis/Dissertation Non-Exclusive License for Deposit to QSpace and Library and Archives Canadaen
dc.rightsProQuest PhD and Master's Theses International Dissemination Agreementen
dc.rightsIntellectual Property Guidelines at Queen's Universityen
dc.rightsCopying and Preserving Your Thesisen
dc.rightsThis publication is made available by the authority of the copyright owner solely for the purpose of private study and research and may not be copied or reproduced except as permitted by the copyright laws without written authority from the copyright owner.en
dc.subjectConnectionsen
dc.subjectWooden
dc.subjectEarthquakeen
dc.subjectGlulamen
dc.subjectGlued-Laminated Timberen
dc.subjectSelf-Tapping Screwen
dc.subjectCyclicen
dc.titleCyclic Testing of Pre-engineered Beam-Hanger Connections & Reinforcement of Holes in Glulam Beams Using Self-tapping Screwsen
dc.typethesisen
dc.description.degreeM.A.Sc.en
dc.contributor.supervisorMacDougall, Colin
dc.contributor.departmentCivil Engineeringen
dc.degree.grantorQueen's University at Kingstonen


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