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<br />Rein.forced Concrete Design Criteria <br /> <br />The following criteria applies to working stress design: <br />Reinforcement: <br />Yield strength <br />Allowable tension <br />Compressive strength <br />Allowable compression <br />Allowable shear <br />Overload Factors: <br />Unusual loading 1.333 <br />Extreme loading 1.500 <br />* Based on the equation Vc = 1.1 Xf~l/2 <br />The following criteria applies to strength design: <br />Reinforcement: <br />Yield strength <br />Concrete: <br />Compressive strength <br />Shear strength <br />Load factors <br />u= lAD + I.7L + I.8F <br />U = lAD + 1. 7L + I.8F + 1. 7H <br />U= 0.9D + I.7H + I.8F <br />U = 0.75 (lAD + I.7L + 1.8F + 1. IE) <br /> <br />1;, = 60,000 lb/irl <br />Is = 24,000 lb/ir/ <br />, 2 <br />f c = 4,000 lb/in <br />Ie = I,800Ib/in2 <br />2. <br />Vc = 70lblin <br /> <br />1;, = 60,000 lb/ir/ <br /> <br />, 2 <br />f c = 4,000 lb/in <br />Vc = I26.51blin2 <br /> <br />U = Required Strength <br />D = Dead load <br />L = Live load <br />F = Fluid load <br />H = Soil load <br />E = Earthquake load <br /> <br />where: <br /> <br />5 <br />