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1 , • <br /> BYTE 19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-8448 <br /> ENGINEERING Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 36"x 36"x 12"thick V <br /> t <br /> 11It <br /> Footing = ft \/ <br /> = 12 12 in <br /> Reinforcement R = (3) #4 • <br /> A s, = 0.60 in' Isolated looting <br /> d = 8.25 in Cover: 3 in -- <br /> Column C, = 5.50 in C2 = 5.50 in 1 <br /> Materials f, = 2500 psi Normalweight w A= 1.00 ipig y <br /> fy = 40000 psi Uncoated • Pe = 1.00 t <br /> Net Footing WeightIIIill R <br /> PFTG- 0.36 k Y <br /> Soil Pressure: z 1 ` <br /> PASD = qaB —PFTG — <br /> One-way shear: 0= 0.75 <br /> Vc = 2A.Nr&d = 29.70 k <br /> Vu < OVc OVc = 22.28 k <br /> B(B-Cz-d)—> 0Vc B(B-cl-d\ -� OV <br /> V <br /> u =qu 2 qu= <br /> V B_c u =9u 2 qu= <br /> B(2 1-d) B(B Zcc <br /> l-d) <br /> qu = 7128 psf or 7128 psf Pu = quBZ = 64152# <br /> Two-way shear: 0= 0.75 <br /> [22.6.5.2(a)] vc = 4A f� = 200 psi G <br /> [22.6.5.2(b)] v, = (2 +a) fc = 300 psi 13 - 1.00 <br /> R a%= 40 <br /> [22.6.5.2(c)] vc = (2+aXd)A fc' = 400 psi b o = 2(C,+d)+2(C2+d) <br /> bo 55 <br /> Vu .. 4)V, cbVc = cbvcbod = 68.06 k <br /> O Vc <br /> Vu = qu[B2 - (Ct +d)(C2 +d)] -, qu = [BZ - (Ci +d)(Cz +d)] <br /> 9u = 8854 psf Pu = quBZ = 79687# <br /> Moment: 0= 0.90 <br /> M, =As fy(d -a/2) = 16.2 k-ft <br /> a=A sfy/(0.85f,B) = 0.31 in <br /> Mu 5 OM„ OM„ = 14.6 k-ft <br /> z z <br /> quB(B 2 C�) 20M„ quB( 2 Cl) 20M„ <br /> Mu - -'qu = M - <br /> B( u - -�(B-C2)/2)2 2 9u =B((B-C1)/2)2 <br /> qu = 6013 psf or 6013 psf Pu = quBZ = 54121 # <br /> Development of Reinforcement: <br /> td 40(3 fy br K 5 db = 12 in ...12 in available OK <br /> f�(c tr) <br /> db <br /> Soil Bearing Pressure 1500 psf 2000 psf 2500 psf 3000 psf 3500 psf 4000 psf <br /> Max Load (Ibs), Soil 13140 17640 22140 26640 31140 35640 <br /> Max Load (Ibs), One-Way Shear 40095 40095 40095 40095 40095 40095 <br /> Max Load (Ibs),Two-Way Shear 49805 49805 49805 49805 49805 49805 <br /> Max Load (Ibs), Moment 33825 33825 33825 33825 33825 33825 <br /> Max Load(ASD) 13140 17640 22140 26640 31140 33825 <br /> Max Load(Factored) 21024 28224 35424 42624 49824 54121 <br /> Date: 3/19/2018 <br /> Page: M2.5 <br />