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19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-8448 <br /> Fax:425-821-2120 <br /> E tgT�TE�FCIt`;G <br /> Project: Typical Footing <br /> Footing: 30"x 30"x 12"thick <br /> �t <br /> Footing B = 2.50 ft <br /> t = 12in <br /> Reinforcement R = (3) #4 <br /> A,,, = 0.60 in' rso <br /> d = 8.25 in Cover: 3 in - - --- <br /> Column CI = 3.50 in C2 = 3,50 in <br /> Materials f 2500 psi Normalweiaht A= too <br /> fy = 40000 psi Uncoated 1.00 f' <br /> Net Footing Weight I FL......,..... <br /> PFTo= 0.25 k - - <br /> RI <br /> Soil Pressure: <br /> BASD = gaB2 PFTG = <br /> One-way shear. 0= 0.75 <br /> Vc= 2A fc Bd = 24.75 k <br /> Vu50Ve 0V, = 18.56k <br /> 8-C 0V, lg`Cl_ ! ( OVA <br /> Vu=quB Z d qu= ((B-C V. =quB 2 d Qu= (B-C <br /> 2 - BC�7 Bl -d) <br /> qu = 8955 psf or 8955 psf Pu =4uB2 = 55967# <br /> Two-way shear, 0= 0.75 <br /> [22.6.5.2(a)] ve=4A fr = 200 psi a <br /> = <br /> [22.6.5.2(b)] ve = (Z+Q) fc = 300 psi � 1.00aX=40 <br /> j "sd ' - 451 psi <br /> bo � bo = 2(Ci+d)+2(C2+d) <br /> [22.6.5.2(c)] vc = l2+ A fc - p 47 <br /> V.<95Ve OVc =Ovcbcd = 58.16 k <br /> 0Ve <br /> Vu = qu[B2 _(CI+d)(C2 +d)1 -4 qu = [BZ_(CI+d)(CZ+d)] <br /> qu = 10992 psf P. =quB2 = 68702# <br /> Moment: 0= 0.90 <br /> Mn =Asfy(d--'QI2) = 16.1 k-ft <br /> a=Asfy!(0.85f,B)= 0.38in <br /> Mu <0Mn OM, = 14.6 k-ft <br /> z <br /> 4uB lB 2 C21 20m, QuB l 2 �1 20m, <br /> A4 - <br /> u._ -�4u = z 2 M.= 4u= <br /> 2 2 <br /> B((B-CZ)/2) B((B-Ci)12) <br /> qu = 9522 psf or 9522 psf Pu =quB2 = 69512# <br /> Development of Reinforcement: <br /> ,( <br /> Id 402�fc(c b h+K�1 db - 10 in 10 in available OK <br /> J <br /> Sall Bearing Pressure 1600 psf 2000 psf 2500 psf 3000 psf 3600 psf 4000 psf <br /> Max Load(lbs),Soil 9125 12250 15375 18500 21625 24750 <br /> Max Load(lbs), One-Way Shear 34980 34980 34980 34980 34980 34980 <br /> Max Load(lbs),Two-Way Shear 42938 42938 42938 42938 42938 42938 <br /> Max Load(lbs), Moment 37195 37195 37195 37195 37195 37195 <br /> Max Load(A5D) 9125 12250 15375 18600 21625 24750 <br /> Max Load(Factored) 14600 19600 24600 29600 34600 39600 <br /> Date:3 25%2021 <br /> Page:._ M2.4 <br />