The influence of the welding sequence on the load bearing capacity and stress distribution of square hollow section steel joints

  • The aim of this contribution is to investigate the influence of welding sequencing patterns on the load bearing capacity of a S355 steel square hollow section (SHS) T-Joint. The failure and the joint behavior under loading condition are analyzed. The FE-software SYSWELD v2014 is used for the thermo-mechanical simulation of the welding process. The type of welding process used is metal active gas (MAG) welding. A fillet weld with a throat thickness of 5 mm is performed. After the welding simulation, the results in terms of stresses and distortion are validated with the experimental data. Due to the geometrical characteristics of this type of joint, a compressive test is performed. A load is applied on the upper surface the vertical member (brace). The force-displacement behavior is plotted and discussed. The differences and influencing parameters are identified. The model is prepared for the subsequent sensitivity study which will be done in the software OptiSLang, which is developed by Dynardo GmbH.

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Author: Flaviu Simon, Milad Moradi, Jörg Hildebrand, Hartmut PasternakORCiD
URL:http://www.fws-ev.de/fileadmin/downloads/Tagungsband_Simulationsforum_2016-Schweissen_und_Waermebehandlung_web.pdf
ISBN:978-3-00-054805-5
Title of the source (German):Simulationsforum 2016, Schweißen und Wärmebehandlung, Weimar, Tagungsband 08.-10. November 2016
Publisher:Verein zur Förderung der numerischen Analyse der Wärmebehandlungs- und Schweißprozesse e.V.
Place of publication:Weimar
Editor: Jörg Hildebrand, Tobias Loose, Michael Reich
Document Type:Conference Proceeding
Language:English
Year of publication:2016
First Page:176
Last Page:187
Faculty/Chair:Fakultät 6 Architektur, Bauingenieurwesen und Stadtplanung / FG Stahl- und Holzbau
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