The Structural Engineer > Archive > Volume 74 (1996) > Issues > Issue 3 > Local Web Buckling in Tapered Composite Beams
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Local Web Buckling in Tapered Composite Beams

Recent demand for very heavily serviced widespan ofice floors has led, as a natural development of the concept of haunched and tapered frames, to the use of composite floors supported by tapered (varying web depth) beams. One requirement is for a better understanding of the local buckling behaviour of the relatively deep slender web at changes of slope in the lower flange, in particular at the slope change which occurs at the centre of a beam whose depth increases linearly from each support. Professor P.C.G. da S. Vellasco and Professor R.E. Hobbs

Author(s): Vellasco, P C G da S;Hobbs, R E

Keywords: office buildings;floors;long span;beams;tapering;behaviour;analysis;finite element methods;comparing;design;buckling;webs;reviews;composite construction;load tests;modelling;research