Local stability requirements related to unfavorable buckling effects of compressed parts ofcold-formed profiles are highly significant. Favorable effects related to their post-critical behavior arealso important. The paper deals with resistance of these type of members, taking into account theinfluence of initial imperfections with regard to the thicknesses of their webs. The paper also presentsinformation about experimental and theoretical-numerical research to determine the resistance ofcold-formed compressed steel members with closed cross-sections. Obtained results are veryextensive; therefore the paper presents results of part of tested and analyzed member.
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