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19011 Wood-Sno Road NE,Suite 100 <br /> Vloodinville,WA 98072-4436 <br /> Phone:425-814-8448 <br /> E N C f IN E E RI N C flax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 30"x 30"x 12"thick <br /> Footing B = 2.50 ft ! <br /> t = 12 in <br /> Reinforcement R = (3) #4 <br /> A,, = 0.60 in lsolafed footln0 <br /> d = 8.25 in Cover: 3 in -_-- <br /> Column C, = 3.50 in C2 = 3.50 in <br /> Materials f, = 2500 psi »ormalwei ht-_ '! 2.= 1.00 <br /> fy = 40000 psi .Uncoated Ie = 1,00 <br /> Net Footing Weight R <br /> Prrc= 0.25 k -- <br /> Sor!Pressure: <br /> PASD = q.B —PFTG — <br /> One-way shear 0= 0.75 <br /> V, = 2A fc Bd = 24.76 k <br /> Vu 5 0Ve OV, = 18.56 k <br /> p-Cz- Ova (B-C,- 1 0VC <br /> t"-q"B 2 d)-4 q"-B�B �� l;( =q1t, 2 d) -' Au-B 1B-C1 d) <br /> 2 _d) l 2 <br /> qu = 8955 psf or 8955 psf Pia = quB2 = 559874 <br /> Two-way shear: 0= 0.75 <br /> [22.6.5.2(a)) ve = 4d fr = 200 psi a <br /> [22.6.5.2(b)] vc = (2+al fc = 300 psi 6 = 1.00 <br /> Q aX= 40 <br /> 122.6.5.2(c)) ve = (2+ ba )A fc = 461 psi <br /> b Q =2(C,+d)+2(C2+d) <br /> 47 <br /> Vu C 45Ve (PVr =Ovcbod = 58.16 k <br /> Vu = qu[B2 —(Cx+d)(C2+d)] —> qu = - 0V, <br /> [B ---(Cl +d)(C2+d)) <br /> qu -= 10992 psf P„ = quBz = 687020 <br /> Moment: 0= 0.90 <br /> Mn =A,s fy(d-12/2) = 16.1 k-ft <br /> a=A,fyf(Q.85f B)= 0.38 in <br /> M„ <¢M„ Oldn = 14.5 k-ft <br /> /B_ z z <br /> quB l 2 Cz) 20M„ quB( ) 20m, <br /> Mu= �qu = MU Li _,qu= z <br /> 2 B((B--C2)/2)z <br /> qu = 9522 psf or 9522 psf Pu = quBz = 595124 <br /> Development of Reinforcement: <br /> I,, =(T30 <br /> ,jffcfc�cbtlpe+Kam) de = 10 in ...10 in available OK <br /> db <br /> Soil Bearing Pressure 1600 psf 2000 psf 2500 psf 3000 psf 3600 psf 4000 psf <br /> Max toad(Ibs), Soil 9125 12250 15375 18500 21625 24750 <br /> Max Load(Ibs), One-Way Sheer 34980 34980 34980 34980 34980 34980 <br /> Max Load(lbs), Two-Way Shear 42938 42938 42938 42938 42938 42938 <br /> Max Load(lbs),Moment 37195 37195 37195 37195 37195 37195 <br /> Max Load(ASD) 9125 12250 16375 18500 21626 24750 <br /> Max Load(Factored) 14600 19600 24600 29600 34600 39600 <br /> Date:3 25 2021 <br /> Page:__._._ M2.4 <br />