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19011 Wood-Sno Road NE,Suite 100 <br /> 19 VF 11--iWoodinville,VIA 98072-4436 <br /> Plione:425-814-8448 <br /> C,1~4(;1 t la I'.1;:1 P-1, G Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 36"x 36"x 12"thick <br /> Footing B = 3.00 fi �{ <br /> t = 12 in <br /> Reinforcement R = (3) *4 <br /> As, = 0.60 in2 Isoleled footing <br /> d = 8.25 in Cover: 3 in <br /> Column C? = 5.50 in C2 = 5.50 in <br /> Materials f c = 2500 psi Normaiweight ❑y A = 1.00 <br /> fy = 40000 psi Uncoated [v[ tfie = 1.00 <br /> Net Footing Weight -R <br /> Pr7c= 0.36 k <br /> Soil Pressure: <br /> PAsp = geBz —PFrc = +--- <br /> One-way shear: 0= 0.75 <br /> Vc = 2A fc'Bd = 29.70 k <br /> Vu < 0Vc OVc = 22.28 k <br /> (B--C2 ` 0Ve B—Cl 0VC <br /> V{, =RuB1 2 —d}-� qu =B(B—C d) Vu =quB 2 —d -a 9u <br /> qu = 12729 psf or 12729 psf P. = quB2 = 114557# <br /> Two-way shear: 0= 0.75 <br /> [22.6.5,2(a)] vc = 4A 01 = 200 psi a <br /> [22.6.5.2(b)] vc = (2 +4) fc = 300 psi Q = 1.00 <br /> # aX= 40 <br /> [22.6.5.2(c)] v — (2+a' d) c — 400 psi bo = 2(C�+d)+2(C2+d} <br /> c vo c 55 <br /> Vu <_ Al OVc = ovcbod = 68.06 k <br /> VII = qu[B2 —(Cl +d)(Cz +d)] ---r qu = 0Vc <br /> [B2 — (Cl +d)(C2 +d)] <br /> qu = 8854 psf P„ = quB2 = 79687# <br /> Momenta 0= 0.90 <br /> M„ = Asfy(d —a/2) = 16.2 k-ft <br /> a =A,fy/(0.85f,B)= 0.31 in <br /> M" < ¢Mn 9M„ = 14.6 k-ft <br /> tR—C2 2 rB—Cll2 <br /> quB l 2 J 20Mn quB\ 2 / 20M, <br /> Mu _ 2 qu —B((B—C2)I2)2 M,< = 2 —'q„ =B((B--C ) 2}2 <br /> q,! = 6013 psf or 6013 psf Pu = quB2 = 54124 <br /> Development of Reinforcement: <br /> t,l = (To- <br /> 2f fc MOPS di, = 12 in ...12 in available OK <br /> dy )) — <br /> Soil Bearing Pressure 1600 psf 2000 psf rt140 <br /> psf 3000 psf 3600 psf 4000 psf <br /> Max Load(lbs), Soil 13140 17640 26640 31140 35640 <br /> Max Load(lbs), One-Way Shear 71598 71598 71598 71598 71598 71598 <br /> Max Load(lbs), Two-Way Shear 49805 49805 49805 49805 49805 49805 <br /> Max Load(lbs), Moment 33825 33825 33825 33825 33825 33825 <br /> Max Load(ASD) 13140 17640 22140 26640 31140 33825 <br /> Max Load(Factored) 21024 28224 36424 42624 49824 54121 <br /> Date: 1 23 2023 <br /> Page: M2.5 <br />