Transcription of Reinforced Concrete Design
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ARCH 331 Note Set Su2014abn Reinforced Concrete Design Notation: a = depth of the effective compression Es = modulus of elasticity of steel block in a Concrete beam f = symbol for stress A = name for area fc = compressive stress Ag = gross area, equal to the total area fc = Concrete Design compressive stress ignoring any reinforcement fpu = tensile strength of the prestressing As = area of steel reinforcement in reinforcement Concrete beam Design fs = stress in the steel reinforcement for As = area of steel compression Concrete Design reinforcement in Concrete beam fs = compressive stress in the Design compression reinforcement for Ast = area of steel reinforcement in Concrete beam Design Concrete column Design fy = yield stress or strength Av = area of Concrete shear stirrup F = shorthand for fluid load reinforcement Fy = yield strength ACI = American Concrete Institute G = relative stiffness of columns to b = width.
distance from the top of the concrete section to the centroid of the steel: x can be solved for when the equation is rearranged into the generic format with a, b & c in the binomial equation: ax2 bx c 0 by a b b ac x 2 2 4 T-sections If the n.a. is above the bottom of a flange in a T section, x is found as for a rectangular section.
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