GBT-based analysis of strain-hardened steel members

What is it about?

This paper addresses the development and illustrates the application of a Generalised Beam Theory (GBT) formulation intended to perform first-order elastic-plastic analyses of thin-walled members made of isotropic non-linear materials exhibiting strain-hardening For validation purposes, most of the GBT results are compared with values obtained from shell finite element analyses  with a few relatively minor exceptions, a very good correlation is always found. Finally, the paper closes with some remarks concerning the influence of the strain-hardening slope on structural behaviour of thin-walled steel beams.

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