the column section shown above is reinforced with equal number of 20 mm bars on each face. using f'c=21 MPa, long bar fy=420MPa, calculate the following:  1. the distance of the neutral axis "c" (mm) from the extreme concrete compression fiber at balanced condition with bending about x-axis a. 285 b. 320 c. 335 d. 275 2. compressive force on concrete compression area (kN0 when section fails at balanced condition with bending about the x-axis. a. 1780 b. 3255 c. 2094 d. 1690 3. the internal force in the 2 bars at the middle when the section fails at balanced condition with bending about the x-axis a. 11.71 kN b. 17.19 kN c. 10.81 kN d. 28.34 kN

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Q: SITUATION A: AT beam has a property shown below. fy = 420 MPa, f'c = 35 MPa %3D %3D and Es =200,000…

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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.