Research Article
Sep 1982
Finite Element Analysis of RHS T-Joints
Authors: Robert M. Korol, M.ASCE, and Farooque A. MirzaAuthor Affiliations
Publication: Journal of the Structural Division
Volume 108, Issue 9
Abstract
The finite element method (FEM) is used to model the behavior of rectangular hollow section (RHS) T-joints beyond the elastic limit, and is applied to determine their ultimate and working strengths. Punching shear and rotational stiffnesses under branch axial force and bending moment have also been calculated. The unreinforced and haunch type joints were analyzed in the study. In both cases the chord top flange was modelled as a thin plate supported by coupled edge springs. Loading was incorporated through line loads along the perimeter of a rigid inclusion (the branch). In the elastic range, joint stiffness values were found to be in good agreement with the available test results. The sensitivity of joints to different geometric parameters, i.e., width ratio λ, haunch size λ1, and chord thickness t was studied using the FEM model in the elastic-plastic range. Ultimate branch moments or punching shear forces were found to be about five times the corresponding first yield values, thus indicating the need to base design loads on an ultimate strength or maximum deflection criterion.
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Information
Published In
Journal of the Structural Division
Volume 108 • Issue 9 • September 1982
Pages: 2081 - 2098
Copyright
© 1982 American Society of Civil Engineers.
History
Published in print: Sep 1982
Published online: Feb 1, 2021
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Authors
Affiliations
Robert M. Korol, M.ASCE
Assoc. Prof., Dept. of Civ. Engrg. and Engrg. Mechanics, McMaster Univ., Hamilton, Canada L8S 4L7
Farooque A. Mirza
Asst. Prof., Dept. of Civ. Engrg. and Engrg. Mechanics, McMaster Univ., Hamilton, Canada L8S 4L7
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.