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19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> fi ' Phone:425-814-8448 <br /> ENGINEERING Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 30"x 3D"x 12"thick <br /> Footing B = 2.50 ftt <br /> t = 12 in <br /> Reinforcement R = (3) #4 <br /> A 2y = 0.60 in2 Isolated footing <br /> d = 8.25 in Cover: 3 in <br /> Column C y = 3.50 in C2 = 3.50 in <br /> Materials f'e = 2500 psi Normalweight v A = 1.00 Ellit9171 <br /> fy = 40000 psi Uncoated ie = 1.00 <br /> III ell <br /> Net Footing Weight R <br /> PFTo= 0.25 k R <br /> Soil Pressure: <br /> OP <br /> PASD = gaB2 —PFTG = i 1 <br /> One-way shear: 0= 0.75 <br /> Vc = 27, f7Bd = 24.75k <br /> Vu _< OVc OVc = 18.56k <br /> CB-C2_ OY, B-Cl OVA <br /> Vu=quB 2 dl -' 9,.= (B Vu=quB 2 -d -' qu = B-C <br /> / B( -d) B(2 1-d) <br /> qu = 8955 psf or 8955 psf Pu = quB2 = 55967# <br /> Two-way shear: 0= 0.75 <br /> [22.6.5.2(a)] vc =4.1a= 200 psi a <br /> [22.6.5.2(b)] vc = (2+4)A fc = 300 psi Q = 1.00 <br /> ax= 40 <br /> [22.6.5.2(c)] vc = (2+bo)A f7 = 451 psi b o = 2(Cy+d)+2(C2+d) <br /> 47 <br /> V, 5 OVc cf2Vc=Ovcbod= 58.16 k <br /> O Vc <br /> Vu = qu[B2-(Ci +d)(C2+d)] -y qu = [BZ-(C, +d)(Cz+d)] <br /> qu = 10992 psf P. = q02 = 68702# <br /> Moment: 0= 0.90 <br /> Mn =Asfy(d-a/2) = 16.1 k-ft <br /> a=A Sfy/(0.85f',B)= 0.38 in <br /> Mu <OM, OM„ = 14.5 k-ft <br /> (B_ )z z <br /> Mu =quB ` 2 Cz" -�qu = 2OMn M —quB( 2�1) 20Mu <br /> 2 B((B-C2)/2)2 u— 2 qu=B((B-Ci)/2)2 <br /> qu = 9522 psf or 9522 psf P. = quB2 = 59512# <br /> Development of Reinforcement <br /> id 40,1f f�(bt+K,` db = 10 in ...10 in available OK <br /> di, J <br /> Soil Bearing Pressure 1500 psf 2000 psf 2500 psf 3000 psf 3500 psf 4000 psf <br /> Max Load(Ibs),Soil 9125 12250 15375 18500 21625 24750 <br /> Max Load(Ibs),One-Way Shear 34980 34980 34980 34980 34980 34980 <br /> Max Load(Ibs),Two-Way Shear 42938 42938 42938 42938 42938 42938 <br /> Max Load(Ibs), Moment 37195 37195 37195 37195 37195 37195 <br /> Max Load(ASD) 9125 12250 15375 18500 21625 24750 <br /> Max Load(Factored) 14600 19600 24600 29600 34600 39600 <br /> Date:3/25/2021 <br /> M2.4 <br /> Page: <br />