(3) a. A mild steel T section has the following cross - sectional dimensions : Total depth = 200 mm Width of flange = 120 mm Thickness of flange = 20 mm Thickness of web = 20 mm If the yield stress oy= 250 MPa determine the plastic moment capacity of the section. Also calculate the shape factor for the section.

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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.