The Structural Engineer > Archive > Volume 51 (1973) > Issues > Issue 8 > Buckling of Stiffened Panels Loaded Axially and in Bending
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Buckling of Stiffened Panels Loaded Axially and in Bending

When a thin steel plate with flat stiffeners is loaded either axially or in bending it will eventually undergo large deformations in either Mode I or Mode II, where for Mode I the free edges of the stiffeners have only tensile stresses and for Mode II these stresses are predominantly compressive. Thus Mode I is a plate buckle whereas Mode II is a stiffener buckle. Associated with each mode is a plastic mechanism the load-deflexion curve of which defines a panel’s post-buckling behaviour. These mechanisms are analysed theoretically and then a study is made of the effects of each parameter. Laboratory tests on large stiffened panels are briefly described. N.W. Murray

Author(s): Murray, N W;Shakir-Khalil, H

Keywords: plates;stiffened panels;buckling;deflection;analysis;steel