A reinforced concrete column 200mm in diamter is designed to carry an axial load of 400 kN compressive. Determine the required area of the reinforcing steel if the allowable stresses are 6 MPa and 115 MPa for the concrete and steel, respectively. Use Ec = 14 GPa and Es = 200 GPa. 400 kN Steel (As) 250 mm dia conc

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British Gravitational Bg System Of Units

Measuring is the comparison of a particular physical quantity with its reference value. A unit is a fixed physical quantity. The length is a physical quantity. A physical quantity is the product of a unit and the numerical value we need to compare with.