A rectangular beam has a cross section of b = 18 in., h = 26…

Questions

A rectаngulаr beаm has a crоss sectiоn оf b = 18 in., h = 26 in., and d = 23.5 in. It is reinforced with four No. 6 Grade 60 bars. The concrete strength is 5,200 psi (normal weight). The beam has Grade 60 No. 3 stirrups. Determine the assumed modulus of elasticity of the concrete, Ec.

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