A reinforced circular concrete column with the given diameter is designed to carry an axial compressive load of P_______in KN. Determine the required number of 16mm diameter bars for its reinforcing steel necessary to carry the load with the given allowable stresses and modulus of elasticity in the table below: P= Diameter of the column= S conc= S st= Econc= Est= 555KN 300mm 5.5Mpa 120Mpa 14Gpa 200Gpa

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Bars

In civil engineering, bars refer to steel reinforcement bars or rebars. These are structural members primarily used for reinforcement purposes in masonry works. A bar is characterized by its cross-sectional area, which is negligible compared to its length. Bars are usually manufactured by steel which is uniform throughout the length, or by meshing multiple steel wires. Other materials of the bar include carbon steel, glass fiber, carbon fiber, and basalt fiber. The reinforcing bars are coated with epoxy resins and other materials to enhance some of their properties including corrosion resistance.