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iiiPi la j —s 19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> INIIIIIIIIIIIMMENEMB Phone:425-814-8448 <br /> ENGINEERING Fax:425-821-2120 <br /> , Project Typical Footing <br /> Footing: 48"x 48"x 12"thick <br /> ki .t <br /> Footing B = 4.00 ft <br /> t= 12inNI/ <br /> 4 <br /> Reinforcement R = (5) <br /> A 0 = 1.00 in2 Isolated roams <br /> d = 8.25 in Cover: 3 in <br /> Column Ct 550in C2 = 5.50in <br /> IP <br /> Materials f c = 2500 psi Llgrm0�we0ght i A. 1.00 Ell <br /> fy = 40000 psi I Uncoated MI Ie = 1.00 Net Footing Weight PFro= 0.64k , <br /> Soil Pressure: R <br /> PAID =gaB2 —PFTG = <br /> One-way shear: 0= 0.75 <br /> Vc=2.2. fJBd= 39.60 k <br /> Vu .. OVc 0Vc= 29.70k <br /> (B—Cz_ \ 011, /B—Ci— ) 4Vc <br /> Vu=quB 2 d).. qu=B/B—Cz—d) Vu=quB( z d -� qu=B/B—C d)l 2 l i1_ <br /> qu = 4644 psf or 4644 psf Pu=quB2 = 74298# <br /> Two-way shear: 0= 0.75 <br /> [22.5.5.2(a)] vc=4A f7 = 200 psi a <br /> [22.6.5.2(b)] vc = (2+=t)A fc = 300 psi /' = 1.00 <br /> !� a.= 40 <br /> [22.6.5.2(t)] vc = (2+bo)A f� = 400 psi t)° = 2(Ci+d)+2(C2+d) <br /> 55 <br /> Vu <OVc A =cbvcbod = 68.06k <br /> Vu =qu[B2—(Cl+d)(C2+d)]-- qu= 2_ (bVc <br /> qu = 4634 psf Pu=quBz = 74147# <br /> Moment: 0= 0.90 <br /> Mn=Asfy(d—a/2) = 26.8 k-ft <br /> a=Asfyl(0.85f 0B)= 0.39 in <br /> Mu<0MM OM, = 24.2k-ft <br /> r 2 ( 12 <br /> quB l 2 -) 2OMa quB l 2-1f 20Mn <br /> 2 B— ((B—C2)/2)2 u 2 _, qu—B((B—CI)/2)2 <br /> qu= 3853 psf or 3853 psf Piz=quB2 = 61640# <br /> Development of Reinforcement: <br /> )db 12 in 18 in available OK <br /> (31lPtlPe2IJs ) = <br /> j\ db ) <br /> Soil Bearing Pressure 1500 psf 2000 psf 2500 psf 3000 pet 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(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 61640 61640 <br /> r <br /> Date:3/19/2018 <br /> Page: M2.7 <br />