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CHECK <br />FIG. BY <br />CHECK RESISTANCE AGAINST UPWARD LOAD - UNREINFORCED <br />UPLIFT = -0 02 k <br />REQUIRED AREA OF SLAB FOR RESISTING UPLIFT = <br />REQUIRED LENGTH WITH 40IN WIDTH = -0.06 ft <br />DATE <br />P. O. Box 3707 <br />-0.20 sf <br />DESIGN LOAD FACTOR = 1.20 (FACTORED SBP / SBP) <br />Mu = 0.00 k-ft / It <br />Vu = 0.00 k / ft <br />PLAIN CONCRETE: <br />SLAB BENDING: S = (bd" 2)I6 = <br />fb = M/S = 32.2 psi <br />PUNCHING SHEAR: bo = 26((N+dt)+(B+dt)) _ <br />phi'Vc = 0.85'(2.66)'(fc4.5)'bo0dl <br />128 in3 Fb = 5'(fc)^0.5 = <br />189.7 psi OK <br />40 in <br />20.0 kip OK <br />98124.2207 <br />316.2 <br />LENAME. 40-04 01 W 1779152 AS Page 4 of 4 Y712013 926 AM <br />