The rigid beam shown is fixed to the top with the three (3) posts made of Steel and Aluminum. The post has the length as shown when no load is applied to the beam and the initial temperature is 10°C. Determine the force supported by each post if the bar is subjected to a uniform distributed load as shown and the final temperature would increase to 80°C. STEEL Area St Area Al E St E AI a St a Al h S W S 2200 3500 200 70 12.1 25.2 1000 mm 1.1 m 123 kN/m mm² mm² GPa GPa w kN/m ALUMINUM um/mcº um/mco KN S KN STEEL ANSWERS IN THREE (3) DECIMAL PLACES INCLUDING ZEROS. IN ABSOLUTE VALUE Force in STEEL = Force in ALUMINUM = h

Q: I beleive this is incomplete or I do not understand it at all

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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.