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I 1 0 <br /> BTL, 19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-8448 <br /> E N G I N E E RI N G Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing 30"x 30"x 8"thick r <br /> 11 <br /> Footing B = 8.in ft \/ <br /> It <br /> t = 8in <br /> Reinforcement R = (3) #4 V <br /> A s, = 0.60 in' Isolated footing <br /> d = 4.25 in Cover: 3 in <br /> Column C, = 3.50 in C2 = 3.50 in <br /> Materials fc = 2500 psi Normalweight A = 1.00 'PPE <br /> fy = 40000 psi Uncoated V 1be = 1.00 MI <br /> Net Footing Weight I III R <br /> PFTG= 0.17 k Y Soil Pressure: WI R <br /> PASD = gaB2 —PFTG = + --+ <br /> One-way shear: 0= 0.75 <br /> Vc = 2AaBd = 12.75k <br /> Vu < OVC OVc = 9.56 k <br /> (B-CZ- OVA rB-Cl - 1 0Vc <br /> Vu = quB 2 d -r qu=B(B-C2 d) Vu =quB 2 d) -' qu = B(B-C1-d`J <br /> 2 2 <br /> 9u = 3974 psf or 3974 psf Pu = quB2 = 24838# <br /> Two-way shear: 0= 0.75 <br /> [22.6.5.2(a)] vc = 4d f� = 200 psi a <br /> [22.6.5.2(b)] vc = (2 +4)A fc = 300 psi !3 = 1.00 <br /> R ax= 40 <br /> [22.6.5.2(c)] vc = (2+asd) fc = 374 psi b o = 2(C,+d)+2(C2+d) <br /> bo 31 <br /> Vu < cbVc chVc = civbod = 19.76k <br /> 0Vc <br /> V = 9u[B2 - (Ct + d)(C2 +d)) 9u = <br /> qu = 3388psf Pu = quB2 = 21176# <br /> Moment: 0= 0.90 <br /> Mn = Asfy(d -C1/2) = 8.1 k-ft <br /> a =Asfy/(0.85f,B)= 0.38 in <br /> Mu < OMn OM,., = 7.3 k-ft <br /> 9uB(B 2 Cz)z 20M„ 9uB(B�) --�9u = <br /> 2 20M„ <br /> Mu = �qu= Mu =- <br /> 2 B((R-C2)/2)2 2 <br /> qu = 4797 psf or 4797 psf Pu = quB2 = 29984# <br /> Development of Reinforcement: <br /> ((3 Id fy e S db = 10 in ...10 in available OK <br /> ,,4oAf7J(cb K[r) <br /> Soil Bearing Pressure 1500 psf 2000 psf 2500 psf 3000 psf 3500 psf 4000 psf <br /> Max Load (Ibs), Soil 9208 12333 15458 18583 21708 24833 <br /> Max Load (Ibs), One-Way Shear 15524 15524 15524 15524 15524 15524 <br /> Max Load (Ibs),Two-Way Shear 13235 13235 13235 13235 13235 13235 <br /> Max Load(Ibs), Moment 18740 18740 18740 18740 18740 18740 <br /> Max Load(ASD) 9208 12333 13235 13235 13235 13235 <br /> Max Load (Factored) 14733 19733 21176 21176 21176 21176 <br /> Date: 3/19/2018 <br /> Page: M2.4 <br />