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19011 Wood-Sao Road NE,Suite 100 <br /> Woodinville,W,d 98072-4436 <br /> Phone:425-814-8448 <br /> EAdGINEERI'N G Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 48"x 48"x 12"thick <br /> Footing 8 = 4.00 ft I ¢ <br /> t = 12in <br /> Reinforcement R = (5) <br /> A st = 1.00 in' +9 <br /> d= 8.25 in Cover. 3 in _ <br /> Column C1 = 5.50 in Cz = 5.50 in <br /> 71 <br /> Materials fc = 45500 psi Norrroweight .1= 1.00 , <br /> y 0 psi I Uncoated <br /> J 1Ge = 1.00 i t- = ; <br /> Net Footing Weight <br /> PFrG= 0.64 k i -R <br /> Soil Pressure. <br /> DASD =gaBz —p = 1 <br /> One-way shear.- 0= 0.75 <br /> Vc=2d0,'Bd = 39.60 k <br /> V.S l3Vr OVc= 29.70 k <br /> B B—Cz d} OVc V B(B—C., 0Vc <br /> V <br /> u=qu 2 — j qu=B�B—CZ—d)_d� u =qu 2 d --► qu= CCBBC'— <br /> qu J- 4644 psf or 4644 psf P. =quB2 = �4298# d) <br /> Two-wayshear 0= 0.75 <br /> [22.6.5.2(a)] vc=4a fc = 200 psi a <br /> [22.6.5.2(b)] vC = (2+4l A fc = 300 psi 6 = 1.00 <br /> a,= 40 <br /> [22.6.5.2(c)) vc = (2+ do 1 fc= 400 psi b o =2(C1+d)+2(Cz+d) <br /> 55 <br /> V. 95ic q5Vc= Or bod = 68.06 k <br /> Vu =q,[B2—(Cl +d)(Cz+d)] qu = oy, <br /> IBz—(C1+d)(C2+d)] <br /> Moment: qu = 46340p= 0.90 Pu =quB2 = 74147# <br /> Mn=AS fy(d—a/2) = 26.8 k-ft <br /> a=Asfy1(0.85t'o8)= 0.39in <br /> Mu c ¢Mn OM, = 24.2 k-ft <br /> z <br /> qu6 u (B 2 -9 20Mn _4uB( }2 20M <br /> = <br /> 2 qu_B((B—Cz)/2)z Mu 2 qu—B((B—Ci)/2)2 <br /> qu = 3853 psf or 3853 psf Pu=quB2 = 616404 <br /> Development of Reinforcement: <br /> td = fyV'0'*sdb= 12 in ...18 in available OK <br /> (730— fc(cb+Ktr) <br /> Soil Bearing Pressure 1500 psf 2000 psf 2500 psf 3000 psf 3500 psf 4000 psf <br /> Max Load(lbs), Soil 23360 31360 39360 47360 55360 63360 <br /> Max Load(lbs), One-Way Shear 45436 46436 46436 46436 45436 46436 <br /> Max Load(lbs),Two-Way Shear 46342 46342 46342 46342 46342 46342 <br /> Max Load(lbs), Moment 38525 38525 38525 38525 38525 38525 <br /> Max Load(ASD) 23360 31360 38525 38525 38525 38525 <br /> Max Load(Factored) 37376 50176 61640 61640 61"0 61640 <br /> Date:3 i 19/2018 <br /> Page: M2.7 <br />