Stability of Stainless Steel Sections under Simple Loading

The present paper investigates the resistance of stainless steel open sections as influenced by local stability issues. In particular, the influence of a rounded stress-strain law with large strain hardening effects on the buckling response of sections is studied. Several structural stainless steel grades are considered, as well as various section shapes under either compression or major-axis bending moment. The interaction between yielding and buckling is seen to be strongly influenced by individual element stability. Eventually, suitable design equations are proposed.

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