Lateral torsional buckling and slenderness

The expression for slenderness used in the lateral torsional buckling checks given in BSEN1993-1-1:2005 is different to that given in BS5950-1:2000. Mary Brettle, Senior Engineer at the Steel Construction Institute, examines lateral torsional buckling and shows how both slenderness expressions are based on the same elastic critical moment theory.

In order to retain the accurate formatting of the equations in this technical paper, this article is available as a pdf download only.

Click here to download and view it.