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t.:. 19011 Wood-Sno Road NB,Suite 100 <br /> 1_4 Woodinville,WIA 98072-4436 <br /> MEMO Phone:425-814-8448 <br /> U NGl rq E ERIN G Fax:425-821-2120 <br /> Project Typical Footing <br /> Footing: 48"x 48"x 12"thick <br /> j° <br /> Footing B = 4.00 It <br /> t = 12 in <br /> Reinforcement R = (5) i .4 <br /> As, = 1.00 in2 Isolated IboBfip <br /> d = 8.25 in Cover: 3 in - .-..._ <br /> Column CT = 5.50 in C2 = 5.50 in <br /> Materials re = 2500 psi (NWrrmalweight ] A = 1.00 - <br /> fy = 40000 psi Uncoated ®� e = 1.00 -. ] <br /> Net Footing Weight R <br /> PFrc= 0.64 k -- t <br /> Soil Pressure: <br /> PAsn =q,2B2-pF-rc <br /> One-way shear, 0= 0.75 <br /> Ve = 2A f,Bd = 39.60k <br /> Vu <_ OV, OVe = 29.70 k <br /> (/ 11 ` ¢V 1 <br /> Vu =quB{B 2Cz-dI -+ qu=- B Cz� � V„ =quB B 2C1-dJ-> qu =B(B_C dl <br /> \\ 111111 2 z 1_ <br /> qu = 4644 psf or 4644 psf Pt = quB2 - 742989 <br /> Two-wayshear: 0= 0.75 <br /> [22.6.5.2(a)] v,= 4A fl = 200 psi a <br /> [22.6.5.2(b)] ve - (2+4}.� f" = 300 psi /1 = 1.00 <br /> R aX= 40 <br /> [22.6.5.2(c)) vC = (2+b a)d f" = 400 psi bo = 2(Cl+d)+2(C2+d) <br /> 0 55 <br /> Vu <0Vc OVe =Ovebod = 68.06 k <br /> Vu = qu[B2 -(Cl+d)(C2+d)] -► qu. = 0V` <br /> [B2-(Cl +d)(C2+d)] <br /> qu = 4634 psf Pu = quB? = 74147# <br /> Moment: 0= 0.90 <br /> M„ =Asfy(d-a/2) = 26.8 Wt <br /> a=Asfy/(0.85rrB)= 0.39 in <br /> Mu S OM" 4M„ = 24.2 k-ft <br /> (B-Cz 2 (( 1z <br /> Mu =9uB l 2 ; _4 qu w- 20M„ M _4iB lB'21 � 20m, <br /> 2 B((B-Cz)/2}z u-— 2 J qu= 2 <br /> qu = 3853 psf or 3853 psf Pu = quB2 = 616400 <br /> Development of Reinforcement: <br /> Id 40 fy bt+KS db = 12 in ...18 in avall able OK <br /> .1 fc r =rl <br /> b <br /> Soil Bearing Pressure 1500 psf 2000 psf 2600 psf 3000 psf 3600 psf 4000 psf <br /> Max Load(lbs), Soil 23360 31360 39360 47360 65360 63360 <br /> Max Load(lbs), One-Way Shear 46436 46436 46436 46436 46436 46436 <br /> Max Load(lbs),Two-Way Shear 46342 46342 46342 46342 46342 46342 <br /> Max Load(lbs), Moment 38525 38525 38525 38525 38525 38525 <br /> Max Load(ASO) 23360 31360 38526 38525 38526 38625 <br /> Max Load(Factored) 37376 50176 61640 61640 61640 61640 <br /> Date:3L9 2018 <br /> Page:__-.___M2.7 <br />