Effects of Galvanizing on Residual Stresses and Stress Concentrations in RHS X- and T-Connections

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dc.contributor.authorJin, Ye
dc.contributor.supervisorSun, Min
dc.date.accessioned2023-04-28T20:28:46Z
dc.date.available2023-04-28T20:28:46Z
dc.date.copyright2023en_US
dc.date.issued2023-04-28
dc.degree.departmentDepartment of Civil Engineeringen_US
dc.degree.levelMaster of Applied Science M.A.Sc.en_US
dc.description.abstractComplementary studies showed that post-production hot-dip galvanizing changes residual stress magnitudes and distributions in cold-formed hollow structural section (HSS) members and can affect their behaviours under axial compressive and flexural loads. However, research on the effects of galvanizing on HSS connections is insufficient. Similar to previous research, in this research, a comprehensive measurement of residual stresses was performed, using the hole-drilling approach and a total of 144 strain gauge elements at 48 locations of interest on the connection specimens. The experimental program includes two galvanized and two ungalvanized rectangular hollow section (RHS) connection specimens with different branch-to-chord width ratios (β). The effects of fabrication (cold forming and welding) and post-fabrication (galvanizing) processes on residual stresses at various locations of the specimens are investigated and compared. The effects of galvanizing-induced residual stress changes on stress concentrations at the critical locations at different fatigue load levels are studied. The connection specimens were subsequently tested under branch axial compressive forces to failure to compare their performances under static loading.en_US
dc.description.scholarlevelGraduateen_US
dc.identifier.urihttp://hdl.handle.net/1828/15056
dc.languageEnglisheng
dc.language.isoenen_US
dc.rightsAvailable to the World Wide Weben_US
dc.subjectRectangular Hollow Sectionen_US
dc.subjectHollow Structural Sectionen_US
dc.subjecttubular connectionen_US
dc.subjectgalvanizingen_US
dc.subjectresidual stressen_US
dc.subjectstress concentrationen_US
dc.subjecthot spot stressen_US
dc.subjectfatigue designen_US
dc.titleEffects of Galvanizing on Residual Stresses and Stress Concentrations in RHS X- and T-Connectionsen_US
dc.typeThesisen_US

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