# BES 5

A structural steel column with F_{y} = 250 MPa

having an unbraced length of 3m is to carry a total axial load of 1800 kN. Which of the following sections is most economical (lightest ) for the given loads. The comumn is hinged at both ends.

**Section **A: Area = 13,800mm^{2} I_{x}= 293.63 x10^{6}mm^{4}I_{y}= 67.59 x 10^{6}mm^{4}

**Section**B: Area = 11,550 mm^{2} I_{x}=177.04 x 10^{6}mm^{4}I_{y}=39.14x 10^{6}mm^{4}

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