A plastic beam has a cross section with dimensions of a = 1.6 in, b= 5.6 in. d = 3.2 in, and t= 0.4 in. The centroid is located c= 1.353 in above the bottom surface of the beam, and the moment of inertia of the shape about the z centroidal axis is l, = 7.536 in.“. For a shear force of V= 2050 lb, what is the maximum shear stress in the beam? 1 (ур.) b Answer:

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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.