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ELASTIC LOCAL BUCKLING STRENGTH AND MAXIMUM STRENGTH OF RECTANGULAR SECTION MEMBERS WHICH WERE LOADED COMPRESSION AND BENDING

One of the key issues for the design of cold-formed steel members is the local buckling strength. In this paper, we investigated the local buckling strength of rectangular sections which were loaded a bending moment and an axial compression, simultaneously. Based on the numerical analyses, we found that the local buckling strength of rectangular sections were affected the restraining effect under compression and bending. The design equations for the local buckling strength on rectangular sections were suggested and found that suggested equations could evaluate the elastic local buckling strength and post buckling strength accurately compared with the conventional design method.