Virtual Work for Trusses #1 Determine the vertical displacement of joint A. Each bar is made of steel and has a cross-sectional area of 600 mm². Take E = 200 GPa. Use the method of virtual work. P= Last 2 digits of ID number a = 5th digit of ID number (min value = 3) Use %3D B ID # = 18-2363-391 P = 91 a = 6 a e.g., -1.5 m- -1.5 m-

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A: Cross-sectional Area, A = 300 mm2                                        = 0.0003 m2 E = 200 GPa…

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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.