ELASTIC LOCAL BUCKLING OF STEEL PLATES IN COMPOSITE STEEL-CONCRETE MEMBERS

A finite strip model for elastic local buckling is used to study the b ehaviour of steel plates in composite steel-concrete members, The accu racy of the numerical method is demonstrated by a comparison with solu tions in the literature. Buckling of the steel skin is then considered , and width-to-thickness ratios suitable for design are suggested. The method is shown to be applicable to profiled composite slabs, profile d composite beams, profiled composite walls, composite steel-concrete columns and composite steel-concrete girders, A design example is give n to show the applicability of the method.