CE materials lab 2 equations

CE materials lab 2 equations - 3 (lb/ft 3 ) Compressive...

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Unit Weight and Yield of Freshly Mixed Concrete (No. 11) where W = unit weight of concrete, kg/m 3 (lb/ft 3 ) Y = yield = volume of concrete produced per batch, m 3 (yd 3 ) Y f = yield = volume of concrete produced per batch, ft 3 W 1 = total weight of all materials batched, kg (lb) R y = relative yield Y d = volume of concrete that the batch was designed to produce, m 3 (yd 3 ) N = actual cement content, kg/m 3 (lb/yd 3 ) N t = weight of cement in the batch, kg (lb) A = air content (% voids) in the concrete T = theoretical unit weight of concrete computed on an air-free basis, kg/m
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Unformatted text preview: 3 (lb/ft 3 ) Compressive Strength of Cylindrical Concrete Specimens (No. 16) where fc = compressive strength, MPa (psi) P max = maximum applied load, N (lb) A = cross-sectional area, mm 2 (in. 2 ) Flexural Strength of Concrete (No. 17) where R = modulus of rupture, MPa (psi) M = maximum bending moment, N mm (lb.in.) c = d/2, mm (in.) I = moment of inertia = , mm 4 (in. 4 ) P = maximum load, N (lb) L = span length, mm (in.) b = average width, mm (in.) d = average depth, mm (in.)...
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CE materials lab 2 equations - 3 (lb/ft 3 ) Compressive...

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