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A 6-m long column is made of a steel girder W200x52 (see the section properties in...

A 6-m long column is made of a steel girder W200x52 (see the section properties in the last page). It is loaded concentrically through the centroid of the section. Given that the steel has the elastic modulus Est = 210 GPa and the yield stress Y = 340 MPa. Determine the critical load (Euler Buckling Load, Pcr) where the support at the column ends are fixed-free support
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