The Structural Engineer > Archive > Volume 43 (1965) > Issues > Issue 7 > Local Instability of Lipped and Beaded Flanges - an Approximate Theory
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Local Instability of Lipped and Beaded Flanges - an Approximate Theory

The critical stress for a lipped plate of given geometry is normally found by solving a transcendental equation by numerical methods. By assuming that the minimum value of the buckling coefficient occurs when there is no transmission of shear loading from the lip to the flange, a solution can be obtained by a considerably simplified analysis. This is shown to give close agreement to the exact solution for a particular case. The simplified analysis allows the torsional stiffness of the lip to be taken into account; it can be applied to all lip shapes, and to many forms of constraint on the other longitudinal edge of the plate. P.S. Bulson

Author(s): Bulson, P S