Ei

Critical slenderness ratio for the instantaneous condition, A.c ef

Kc.ef.z — 91.38 ^c,ef — max(Àc.ef.y , ^c.ef.z)

The design condition will relate to properties of the section about the z-z axes

6. Strength of the column

The critical design load case at the ULS will be due to the combination of permanent and unfavourable medium-duration variable action: Design compression stress:

Design compression stress in the plywood, a 1p,c.o.d (Equation 8.6)

Design compression stress in the timber, a 2c.0.d (equation (8.6))

Design compression strength of the plywood, /p,c.o.d

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