Selected symbols

Symbol Definition Value

1/ro Reference curvature £yd/(0.45 d)

1/r Curvature K, Ky 1/ro a Axis distance for fire resistance

A Factor for determining slenderness limit 1 / (1+0.2 pf

Ac Cross sectional area of concrete bh

Table S

Value of a for rectangular sections

Table S

Value of a for rectangular sections

NEd /Nm

0.1

0.7

1.0

a

1.0

1.5

2.0

Note

Linear interpolation may be used.

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