David Brown of the SCI reviews the (relatively) recent history of lateral torsional buckling of beams. Part 1 includes a reminder of the underlying structural mechanics and the transition from theory into BS 449 and BS 5950. Part 2 looks at the comparison with BS EN 1993-1-1 and gazes into the near future.

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

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