Design of Steel Structure
In case of timber structures, the simple bending formula M = fz may be applied for

solid circular beams only
all rectangular beams
rectangular beams up to 300 mm depth
all square cross-section beams

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Design of Steel Structure
The sway bracing is designed to transfer

25% of the top panel wind load to bottom bracing
2Vi % of the top panel wind load to bottom bracing
50% of the top panel wind load to bottom bracing
10% of the top panel wind load to bottom bracing

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