Technical Guidance Note (Level 1, No. 22): Biaxial bending in columns

This note focuses on the design of non-composite steel beams to BS EN 1993-1-1 – Eurocode 3: Design of Steel Structures – Part 1-1: General Rules for Buildings . It covers both restrained and unrestrained rolled steel ‘I’ and ‘H’ beam sections. Updated in October 2016.

There are several variations and conditions the designer must be aware of when determining wind loads on structures. Based on Eurocode 1: Actions on Structures Part 1-4; General Actions – Wind Actions , this note draws on the UK National Annex as it makes reference to wind speeds that are unique to the UK.

This note describes the basic knowledge required to read structural drawings.