Abstract
This paper presents the results of an experimental study on cold-formed steel columns made at the Building Research Institute of Timisoara. The specimens were press-braked and their thickness ranged from 2 to 4 mm. Channel sections and lipped channel sections were tested, including columns and stub columns tests. Theoretical ultimate capacities were determined by bdAISI, ECCS and Eurocode 3—Annex A specifications. Differences between designed and experimental values for these three methods are insignificant, and theoretical results are confirmed by experimental tests for stub columns. For columns, good agreement with theoretical predictions is obtained by applying the reduction coefficients for ultimate loads given in specifications. Both for columns and stub columns, the results are more conservative for channel than for lipped channel sections.
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