Q2-A reinforced concrete column of 250mm x 250mm cross section is designed to carry an axial compressive load of 400kN as shown in Fig.2. Determine the required area of reinforcing steel if the allowable stresses are 8MPA for concrete and 150MPA for steel. Use Ec=14GPA and Est=200GPA. Reinforcing bars 250mm 250mm

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A:

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A:

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A:

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.