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RISS 인기검색어
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- 저자 : Hafez Tehari (검색결과 1 건)
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Effect of Axial Misalignments in Fillet Welded Cruciform Joint Under Static Loading
Bikram Paul,Zhiyuan Fang,Krishanu Roy,Hafez Tehari,Michail Karpenko,James B. P. Lim 한국강구조학회 2024 International Journal of Steel Structures Vol.24 No.2
This paper presents a numerical study to investigate the eff ects of axial misalignment for the fi llet welded cruciform joints using the traction stress method. A parametric study, involving 100 fi nite element (FE) models, was conducted with plate thickness and misalignments treated as independent parameters. In the parametric study, diff erent fi llet weld leg sizes were chosen based on the minimum criteria specifi ed in the New Zealand standard (NZS 3404.1). Normalized shear traction stresses were calculated for each plate thickness and misalignments at diff erent cut planes through the fi llet weld. In each model, the maximum normalized shear stress occurred at an angle of 15° to the loading plate, which represents the critical angle for weld failure. Finally, based on the results of the parametric study, an equation for the multiplication factor was proposed for the cruciform joint to obtain the maximum normalized shear traction stress for diff erent misalignments and weld size. The multiplication factor obtained from the FEA matched well with the multiplication factor predicted by the proposed equation, and reliability analysis was conducted to confi rm the accuracy of the proposed equation.
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