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19011 NVood-Sno Road NE,Suite 100 <br /> Woodinville,V7A 98072-4436 <br /> Phone:425-814-8448 <br /> E N F;:;l U.'EE ,.IN c: Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 18"x 18"x 8"thick <br /> Footing B = 1.50 ft ~ <br /> t = 8in _— <br /> Reinforcement R = (2) #4 <br /> A,,, = 0.40 in ;sUered rwax� <br /> d = 4.25 in Cover: 3 in <br /> Column C7 = 3.50 in C2 = 3.50 in <br /> Materials 2500 psi Normalweic7ht A — 1.00 ; � + I <br /> f — Uncoated f <br /> r — 40000 psi d � Tide = 1.00 �`-�- , <br /> Net Footing Weight <br /> PFTo= 0.06 k 4 ., <br /> •. <br /> Soil Pressure: � 7 <br /> DASD =gaB2—PFTG <br /> One-way shear 0= 0.75 <br /> Vc = 2i1 f,Bd = 7.65 k <br /> Vu < 0Vc oVc = 5.74 k <br /> V. —_quB rB—CZ—d 1 _ 0V, �B—Cl d— 1 0Vc <br /> 2 � qu—B(B—C2—d) Vu = quB 2 � qu =B(B—Cx —d) <br /> qu = 15300 psf 2 or 15300 psf Pu = quB2 = 34425# <br /> Two-way shear.- 0= 0.75 <br /> [22.6.5.2(a)] vc =4A fe = 200 psi �:2 <br /> [22.6.5.2(b)] vc = (2+ )A fc = 300 psi Q = 1.00 <br /> {/ f a,,= 40 <br /> " , o = 2(Gl+d)+2(C2+d) <br /> [22.6.5.2(c)] vc = 2 + 'bo � fc = 374 psi b31 <br /> Vu VC OVc = Ovcbod = 19.76 k <br /> 0Vc <br /> V. = qu[B2 — (Cl +d)(C2 +d)) - qu = CBZ — Chi+ d)(C2 +d)l <br /> qu = 10782 psf Pu = quB2 = 24260# <br /> Moment_ 0= 0.90 <br /> Mn. = AS fy(d—a/2) = 5.4 k-ft <br /> a=A s fy/(0.85f`,B)= 0.42 in <br /> Mu S omn oMn = 4.8 k-ft <br /> RuB <br /> B_C2 2 2 bMn quB 6-C1 z <br /> 2 ) "'qu 2 20Mn) <br /> MU = <br /> 2 B0-C2)/2}z Mu 2 - qu B((B-C) 2}z <br /> qu = 17712 psf or 17712 psf Pu= quB2 = 3985Ni� <br /> Development of Reinforcement: <br /> !d 40 fy Tr .01+K1 db — 4 in ...4 in available OK <br /> A,ff` �cb db ) Adjusted <br /> Soil Searing Pressure 1500 psf 2000 psf 2500 psf 3000 psf 3500 psf 4000 psf <br /> Max Load (lbs),Soil 3315 4440 5565 6690 7815 8940 <br /> Max Load (lbs),One-Way Shear 21516 21516 21516 21516 21516 21516 <br /> Max Load (lbs),Two-Way Shear 15162 15162 15162 15162 15162 15162 <br /> Max Load (lbs), Moment 24908 24908 24908 24908 24908 24908 <br /> Max Load(ASD) 3315 4440 5565 6690 7815 8940 <br /> Max Load(Factored) 5304 7104 8904 10704 12504 14304 <br /> Date:1/23/2023 <br /> Page: M2.2 <br />