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19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Phone.425-814-8448 <br /> TGINtEFiTl\ Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 42"x 42"x 12"thick <br /> Footingt <br /> B = 3.50 ft <br /> t = 12 in <br /> Reinforcement R = (4) #4 <br /> A st = 0.80 in Isolated footlng <br /> d = 8.25 in Cover: 3 in <br /> Column C, = 5.50 in C2 = 5.50 in <br /> Materials Pc = 2500 psi Normalweight A = 1.00 <br /> fy = 40000 psi Uncoated _ n *e = 1.00 <br /> Net Footing Weight ¢ <br /> PFTG= 0.49 k <br /> Soil Pressure: <br /> DASD = gaB2 -'-PFTG = <br /> One-way shear 0= 0.75 <br /> Vc = 2A f,Bd = 34.65 k <br /> Vu < 0Vc 0Vc = 25.99 k <br /> V. B(B—C2— 0Vc /B—Ci— 0V <br /> (Z <br /> u=qu 2 d —> qu= B—C Vu=quB 2 d i qu B—C <br /> B 2 d} B(2—d) <br /> qu = 8910 psf or 8910 psf Pu = quB2 = 109148# <br /> Two-way shear: 0= 0.75 <br /> [22.6.5.2(a)] vc = 4,1 f,' = 200 psi a <br /> [22.6.5.2(b)] vc = (2+ 4)d fc = 300 psi 6 = 1.00 <br /> 18 a,= 40 <br /> [22.6.5.2(c)] vc = (2+ dd)A f� = 400 psi b c = 2(C,+d)+2(C2+d) <br /> bo 55 <br /> V. < 0Vc OVc =Ovcbod = 68.06 k <br /> V. = qu[B2 —(Ci +d)(C2 +d)] -+ qu = 0Vc <br /> [B2 — (Cl +d)(C2 +d)] <br /> qu = 6223 psf P. = quB2 = 76233# <br /> Moment: 0= 0.90 <br /> M. =AS fy(d —a/2) = 21.5 k-ft <br /> a=A,fy/(0.85fcB)= 0.36 in <br /> Mu <_ OM„ OM, = 19.4 k-ft <br /> 4uB k——2 )2 C2)2 z <br /> MU _ 20m" quB(B 2 Ca� 20Mn <br /> 2 qu B((B—C2)/2)2 Mu 2 —'qu— B((B—C )/2)2 <br /> qu = 4785 psf or 4785 psf P. = quB 58622# <br /> Development of Reinforcement <br /> 3 fy• V)t*e0s <br /> Id = 40,1 f�(cb+Kt,.) db = 12 in ...15 in available OK <br /> db <br /> Soil Bearing Pressure 1500 psf 2000 psf 2500 psf 3000 psf 3500 psf 4000 psf <br /> Max Load (lbs), Soil 17885 24010 30135 36260 42385 48510 <br /> Max Load(lbs), One-Way Shear 68217 68217 68217 68217 68217 68217 <br /> Max Load(lbs),Two-Way Shear 47646 47646 1 47646 47646 47646 47646 <br /> Max Load(lbs), Moment 36639 36639 36639 36639 36639 36639 <br /> Max Load(ASD) 17885 24010 30135 36260 36639 36639 <br /> Max Load(Factored) 28616 38416 1 48216 68016 58622 58622 <br /> Date: 1/23/2023 <br /> Page: M2.6 <br />