A rigid bar ABCD is supported by two bars as shown in the figure. There is P is applied, the normal strain in rod (1) is -1350 µm/m. Determine the norm pin C before the load is applied. 240 mm B (1) O 1281 μm/m O 1877 μm/m O 1141 μm/m O 1358 μm/m 360 mm (2) Rigid bar 900 mm с 140 mm, 1,500 mm

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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.