Oloms Mella's picture

A structural steel column with Fy = 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 = 13,800mm2 Ix= 293.63 x106mm4Iy= 67.59 x 106mm4SectionB: Area = 11,550 mm2 Ix=177.04 x 106mm4Iy=39.14x 106mm4

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