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The cold formed steels are best alternative to the hot rolled sections in the present situation but still the usage of built-up columns are still under the research. The structural behavior and stability of columns have been studied by many researchers. This paper states the experimental and numerical analysis of a cold formed open and closed built-up column section. The columns were connected using bolted connection. For the finite element modeling ABAQUS 6.10 software was used. Geometrical and non-linearties are included in the model and the nodes are taken from AutoCAD and are imported in ABAQUS. A linear elastic buckling analysis was performed to obtain the buckling loads and associated buckling modes. A non-linear ultimate strength analysis has been carried out to know the ultimate axial load capacity and experimental investigation results were compared.

Experimental Study on Load Carrying Capacity of Cold Formed Steel Built-up Column