Design of Fillet and PJP Welds in CHS-to-CHS Moment T-Connections: Finite Element Investigation

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dc.contributor.authorZhang, Chengcheng
dc.contributor.supervisorSun, Min
dc.date.accessioned2023-04-26T22:55:05Z
dc.date.available2023-04-26T22:55:05Z
dc.date.copyright2023en_US
dc.date.issued2023-04-26
dc.degree.departmentDepartment of Civil Engineeringen_US
dc.degree.levelMaster of Applied Science M.A.Sc.en_US
dc.description.abstractThis paper presents a study to evaluate the effective geometric property approach in AISC 360-22 for design of welds in circular hollow section (CHS)-to-CHS moment T-connections under in-plane bending. Experimental data from previous full-sized connection tests is used to verify a finite element (FE) modelling approach for weld-critical connections. A subsequent FE parametric study, including 137 fillet and partial-joint-penetration groove welded CHS-to-CHS connection models, is performed to cover wide ranges of nondimensional design parameters: branch-to-chord diameter ratio (0.4 to 1.0), branch-to-chord thickness ratio (0.2 to 1.0), and chord slenderness ratio (10 to 50). New formulae in recent research for calculation of the weld effective elastic section modulus for in-plane bending are evaluated, and modifications are proposed. The proposed modifications provide more accurate predictions of weld strength yet still achieve sufficient safety margins.en_US
dc.description.scholarlevelGraduateen_US
dc.identifier.urihttp://hdl.handle.net/1828/14993
dc.languageEnglisheng
dc.language.isoenen_US
dc.rightsAvailable to the World Wide Weben_US
dc.subjectHollow structural sectionsen_US
dc.subjectCircular hollow sectionsen_US
dc.subjectFinite element analysisen_US
dc.subjectFillet weldsen_US
dc.subjectGroove weldsen_US
dc.subjectConnectionsen_US
dc.subjectEffective geometric propertiesen_US
dc.titleDesign of Fillet and PJP Welds in CHS-to-CHS Moment T-Connections: Finite Element Investigationen_US
dc.typeThesisen_US

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