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, i 19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-8448 <br /> E NGINEERIN'C Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 48"x 48"x 12"thick <br /> • Footing B = 4.00 ft <br /> ` t = 12 in <br /> Reinforcement R = (5) #[ 4 .j <br /> A s1 = 1.00 in2 Isolated tang <br /> d = 8.25 in Cover. 3 in <br /> Column Cr = 5.50 in C2 = 5.50 in i�Q� <br /> � <br /> Materials f c = 2500 psi N.ormalweight !] A = 1.00 � <br /> fy = 40000 psi I Uncoatedj. spe = 1.00 <br /> Net Footing Weight 11111t�- <br /> PrrG= 0.64 k , airrimm <br /> Soil Pressure: . R <br /> PASD =gaB2 —PFTG = r <br /> One-way shear: 0= 0.75 <br /> Vc =2A fJ Bd = 39.60 k <br /> Vu <- OVC OVc = 29.70k <br /> (B 1 _ OV, rB-CI )-9q <br /> O <br /> - VC <br /> Vu=qB 2d uB-C Vu =quB 2 - <br /> d u = B-C <br /> B(- -d) B�-Z-d) <br /> qu = 4644 psf or 4644 psf Pu =q02 = 74298# <br /> Two-way shear: 0= 0.75 <br /> [22.6.5.2(a)] vc=4A f? = 200 psi a <br /> [22.6.5.2(b)] ye = (2+4).a fc = 300 psi /j = 1.00 <br /> Q aX= 40 <br /> [22.6.5.2(c)] vc = (2+d-)A a= 400 psi ba = 2(C,+d)+2(C2+d) <br /> 55 <br /> Vu5-OK cbV = cbvcbod = 68.06k <br /> OVC <br /> Vu =qu[B2 -(C2 +d)(C2+d)] --> qu = EB2 -(Ci+d)(C2+d)] <br /> 9u = 4634 psf Pu =q02 = 74147# <br /> Moment: 0= 0.90 <br /> Mn =A2 fy(d-ah) = 26.8 k-ft <br /> a=A sfyl(0.85fCB)= 0.39 in <br /> Mu < OM„ OMn = 24.2 k-ft <br /> $ 2 2 � 2 <br /> =quB -C <br /> 2 ) _ 2OMn _quB 2 ) 2OMn <br /> Mu2 -)qu B((B-C2)/2)2 Mu 2 -'qu=B((B-Ci)/2)2 <br /> qu = 3853 psf or 3853 psf Pu =quB2 = 61640# <br /> Development of Reinforcement: <br /> Id = 402f fC�Cb`+K�� db = 12 in ...18 in available OK <br /> db <br /> Soil Bearing Pressure 1500 psf 2000 psf 2500 psf 3000 psf 3500 psf 4000 psf <br /> Max Load(Ibs), Soil 23360 31360 39360 47360 55360 63360 <br /> Max Load(Ibs),One-Way Shear 46436 46436 46436 46436 46436 46436 <br /> • Max Load(Ibs),Two-Way Shear 46342 46342 46342 46342 46342 46342 <br /> Max Load(Ibs), 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 61640 61640 <br /> Date:3/19/2018 <br /> Page: M2.7 <br />