TS500 - Axial Force and Moment
TBDT 7.3.1.2 column axial force condition together with TS500 - 7.4.1 column axial force condition is automatically made.
ICONS
A c = Gross cross-sectional area of the column
f cd = Design compressive strength of concrete
N d = Design axial force
7.4.1 - Axial Pressure and Bending
Section width cannot be less than 250 mm in rectangular section columns. However, the minimum thickness may be 200 mm for columns with I, T and L sections, and 120 mm for columns with box section. For columns with a circle cross section, the column diameter cannot be less than 300 mm. Also in all columns,
condition must be met.
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