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19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> IIMIMMIIIIIIIIIIIIINIIMMMMMIMB <br /> Phone:425-814-8448 <br /> E NGIII' EERIN C Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 42"x 42"x 12"thick <br /> Footing B = 3.50 ft <br /> t = 12 in <br /> Reinforcement R = (4) #4 + - <br /> A st = 0.80 in2 Isolated footing <br /> d = 8.25 in Cover: 3 in <br /> Column C1 = 5.50 in C2 = 5.50 in <br /> Materials fc = 2500 psi Normalweight :/ A = 1.00 IIIIE- <br /> fy = 40000 psi Uncoated . 1Pe = 1.00 IS. <br /> �" <br /> Net Footing Weight I R <br /> PFTG= 0.49 k Y� <br /> Soil Pressure: R 1 <br /> PASD =gaB2—PFTG = <br /> One-way shear: 0= 0.75 <br /> Vc = 2A fJ Bd = 34.65 k <br /> VU S OVc 0Vc = 25.99 k <br /> (B—C2 OVc B—Cl rbVc <br /> Vu =9uBI 2 —d� -� qu=B(B—C2 d\ Vu =guB 2 —d)� ti _ <br /> „(B—C _1 <br /> l 2 — ) l 2 1 I <br /> qu = 5606 psf or 5606 psf Pu =quBz = 68677# <br /> Two-way shear: 0= 0.75 <br /> [22.6.5.2(a)] vc = 4,1a= 200 psi a <br /> [22.6.5.2(b)] vc = (2+4)2 fc = 300 psi fl= 1.00 <br /> G crx= 40 <br /> [22.6.5.2(c)] vc = (2+x )A f7= 400 psi b o = 2(Ci+d)+2(C2+d) <br /> 55 <br /> Vu5gwc (pc = Ovcbod = 68.06k <br /> Vu = qu[B2 —(C1 +d)(C2+d)] --' qu = 2 OVc <br /> qu = 6223 psf Pu =quBz = 76233# <br /> Moment: 0= 0.90 <br /> Mn =As fy(d—72) = 21.5 k-ft <br /> a=ASfy/(0.85f,B)= 0.36 in <br /> Mu< 0Mt2 OM„ = 19.4 k-ft <br /> B_C2 Z (( 2 <br /> Mu=quB 2 qu= �0M" M =quB l 2 1) 20M,, <br /> 2 B((B—C2)/2)2 u 2 qu—B((B—C0/2)2 <br /> qu = 4785 psf or 4785 psf Pu =quBz = 58622# <br /> Development of Reinforcement: <br /> _ iiW' P _d _(3f <br /> 40,1 1f�(cy+Kr l db — 12 in ...15 in available OK <br /> d J <br /> Soil Bearing Pressure 1500 psf 2000 psf 2500 psf 3000 psf 3500 psf 4000 psf <br /> Max Load (lbs),Soil 17885 24010 30135 36260 42385 48510 • <br /> Max Load(lbs),One-Way Shear 42923 42923 42923 42923 42923 42923 <br /> Max Load(lbs),Two-Way Shear 47646 47646 47646 47646 47646 47646 <br /> Max Load (lbs), Moment 36639 36639 36639 36639 36639 36639 <br /> Max Load(ASD) 17885 24010 30135 36260 36639 36639 <br /> Max Load(Factored) 28616 38416 48216 58016 58622 58622 <br /> Date:3/19/2018 <br /> Page: M2.6 <br />