In RF‑/STEEL EC3, there are no effective lengths displayed for the minor axis and the lateral-torsional and torsional-flexural buckling in Window 'Effective Lengths - Members/Sets of Members'. Why is that?

Answer

The effective lengths for the buckling about the minor axis are synchronised with the defined intermediate supports from Window 1.4. If the areas show different lengths, no values are entered for the values Lcr,zw and LT.

Keywords

buckling minor axis effective length lateral-torsional buckling torsional-flexural buckling

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