214. The rigid bars AB and CD shown in the figure are supported by pins at A and C and the 2 rods. Determine the maximum force P which can be applied as shown if its vertical movement is limited to 5mm. Neglect the weights of all members. ALUMINUM L=2m 3m 3m A=500mm? E=70GPA A STEEL L=2m A=300mm? E=200GPA 3m 3m

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Q: 2

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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.