Research Articles | Challenge Journal of Structural Mechanics

Experimental study on the rotation capacity of bolted and welded beam-column connection using cold-formed steel sections

Mahyar Maali, Merve Sağıroğlu, Mahmut Kılıç, Abdulkadir Cüneyt Aydın


DOI: https://doi.org/10.20528/cjsmec.2022.04.001
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Abstract


This paper investigates new bolted and welded beam-to-column connection types on the cold-formed steel sections (CFS) and their behaviors determined using full-scale experiments. This study aimed to analyze the influence of weld/bolt connections based on CFS profile and failure modes to provide the necessary data for improving Eurocode 3. In contrast, the rotation and ductility of a joint of the welded connection are lower than the bolted connection. Thus, the bolted connection exhibits a semi-rigid behavior‒also, the energy dissipation capacity values in the bolted connection are bigger than welded connection. Thus, the bolded connection has a semi-rigid behavior. Also, model failure is determined by the type of connection (bolted and welded). The rotation and ductility of a joint of the welded connection are lower than the bolted connection. Thus, the bolted connection exhibits a semi-rigid behavior‒also, the energy dissipation capacity values in the bolted connection are bigger than welded connection. Furthermore, the specimens of the welded connection have rigid behavior in the failure modes.


Keywords


experimental study; moment–rotation curves; CFS profile; weld/bolt connection; Eurocode 3

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