A reinforce concrete column 500mm x 500mm in section is reinforced with 4 steel bars of 25mm diameter, one in each corner. The column is carrying a load of 1000 kN. Es = 210 x 10^3 MPa and Ec= 14 x 10^3 MPa. Find the stress in the steel in MPa

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Buckling of columns

The column is described as a vertical member of the structure that carries an axial compressive load, and buckling is a lateral deformation of the column under the application of load.