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p 19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Plione:425-814-8448 <br /> ENGINEERING Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 36"x 36"x 12"thick <br /> Alt <br /> Footing B = 3.00 ft <br /> f = 12 in <br /> Reinforcement R = (3) i4 <br /> Ass = 0.60 in' !co!otn fwUnp <br /> d = 8.25 in Cover: 3 in _...._.-- <br /> Column C, = 5.50 in C2 = 5.50 in <br /> Materials f c ` 2500 psi fVorrnahvei ht �l = 1.00 <br /> P 9 E <br /> fy = 40000 psi J UncaOO.- e = 1.00 <br /> Net Footing Weight a <br /> PFTc= 0,36 k - <br /> Sol/Pressure: �� R <br /> PAsA = gaB2 -p"'G - e <br /> One-way shear: 0= 0.75 <br /> V, = 2.1 f,Bd = 29.70 k <br /> Vt < 0Vc OV = 22.28 k <br /> rB—C 1 0VI: <br /> Vu =QuB(B 2C2—d}�' 4u= B(B r2—d� V„ =4„B 2 z—d -> qu=Br(B--C,—d <br /> 2 l 2 ) <br /> qu = 7128 psf or 7128 psf P,t = quB2 = 64152# <br /> Two-way shear: 0= 0.75 <br /> [22.6.5.2(a)] v, = 41 fI = 200 psi a <br /> E [22.6.5.2(b)j vc = l2+ a}A fc = 300 psi '0 = 1.00 <br /> a aX= 40 <br /> [22.6.5.2(c)) vt, = l2+ za �a fct - 400 psi bo 55Cl+d)•r2(C2+d) <br /> Uu <q5Vt OV, = (ivtbod = 68.06 k <br /> OV� <br /> V,r= q,t[B2 -(C, +d)(C2 A-d)] `> qu = U2 <br /> qu = 8864 psf Pt =quB2 = 796874 <br /> Moment: 0= 0.90 <br /> M,: =AS fy(d-0/2) = 16.2 k-ft <br /> a=A,fy/(0.85frB)= 0.31 in <br /> Mu < (bM„ OM„ = 14.6 k-ft <br /> 1�C�}2 Z 20M <br /> QuB( 2 ! 20M„ QuB( 2 ) t, <br /> Mu= -t q„_ - Mu= 'qu= 2 <br /> z B((B—C2)l2)-Z 2 B((B--C,,)l2) <br /> q,r = 6013 psf or 6013 psf Pit = quBz = 54121 # <br /> Development of Reinforcement: <br /> 3 fy 04,60s 12 in ...12 in available OK <br /> (TO <br /> 2 fr(Cb+Kt,.) �b = <br /> db 1 <br /> Solt gearing Pressure 1600 psf 2000 psf 2600 psf 3000 psf 3600 psf 4000 psf <br /> Max Load(lbs), Soil 13140 17640 22140 26640 31140 35640 <br /> Max Load(lbs), One-Way Shear 40095 40005 40095 40095 40095 40095 <br /> Max Load(lbs), Two-Way Shear 49805 49805 49805 49805 49805 49805 <br /> Max Load(lbs),Moment 33825 33825 33825 33825 33825 33625 <br /> Max Load(ASD) 13140 17640 22140 26640 31140 33825 <br /> Max Load(Factored) 21024 28224 36424 42624 49824 54121 <br /> Date:3 19 2018 <br /> Page:— W5 <br />