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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/33446

Title: Effective Weld Properties for RHS-to-RHS Moment T-connections
Authors: McFadden, Matthew
Advisor: Packer, Jeffrey A.
Department: Civil Engineering
Keywords: effective weld properties
rectangular hollow section
RHS-to-RHS moment T-connections
hollow structural section
Vierendeel truss
effective weld length
robotic welding
automatic welding
gas metal arc welding
Issue Date: 22-Nov-2012
Abstract: An experimental program was developed to test various unreinforced RHS-to-RHS 90° T-connections subject to branch in-plane bending moment with the objective of determining the effectiveness of the welded joint. Twelve unique test specimens were designed to be weld-critical and the results from the full-scale tests revealed that the current equation for the effective elastic section modulus for in-plane bending, S_ip, given in Table K4.1 of ANSI/AISC 360 (2010) is conservative. A modification to the current requirements that limit the effective width of the transverse weld elements is proposed, resulting in a safe and more economical weld design method for RHS-to-RHS T-, Y- and X- connections subject to branch axial load or bending moment. It is also concluded that the fillet weld directional strength enhancement factor, (1.00 + 0.50sin1.5Ө), should not be used for strength calculations of welded joints to square and rectangular hollow structural sections.
URI: http://hdl.handle.net/1807/33446
Appears in Collections:Master

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