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a. If the applied moment is increased to 70ft-k, calculate the concrete and steel stresses in the beam. b. Determine the allowable resisting moment

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a. If the applied moment is increased to 70ft-k, calculate the concrete and steel stresses in the beam. b. Determine the allowable resisting moment of the beam if the allowable stresses are and fy = 20000psi fr = 1350psi h = 18 in. 3#9 bars b = 12 in. d = 15 in.

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