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R 19011 Wood-Sno Road NE,Suite 100 <br /> a rra Woodinville,WA 98072-4436 <br /> Phone:425-814-8448 <br /> 1111111111111111111111111101111111111111111111111 <br /> ENGU EERR " 0 Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 42"x 42"x 12"thick <br /> Footing B = 3.50 ft itt <br /> t = 12 in <br /> Reinforcement R = (4) i#4 • <br /> A s1 = 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 f, = 2500 psi Normalweight ) A = 1.00 Illal fy = 40000 psi Uncoated w IN = 1.00 •iii <br /> �� <br /> Net Footing Weight -R <br /> PFTc= 0.49 k <br /> Soil Pressure: i R ! <br /> PASD =gaB2 —PFTG = <br /> One-way shear: 0= 0.75 <br /> Vc = 2ANTfJ Bd = 34.65 k <br /> Vu 5 0Vc 0Vc = 25.99 k <br /> (B—Cz— \ <br /> 2 0Vc r —B—C, 0Vc <br /> Vu=quB d) -+ qu= B—C Vu=quB 2 d)-4 qu= B—C <br /> B(�—d) B�2 1—d) <br /> qu = 5606 psf or 5606 psf Pu = quB2 = 68677# <br /> Two-way shear: 0= 0.75 <br /> [22.6.5.2(a)] vc = 4,1 fJ = 200 psi a <br /> [22.6.5.2(b)] vc = (2+¢ = 300 psi /3= 1.00 <br /> ;)Az a, =40 <br /> [22.6.5.2(c)] vc = (2+ha)A R= 400 psi bo = 2(C1+d)+2(C2+d) <br /> 55 <br /> Vu 5t4Vc ckVc =chvcbod = 68.06k <br /> Vu =qu[B2—(CI.+d)(C2 +d)] -) Ova <br /> qu = Lki —(CI +d)(C2+d)] <br /> qu = 6223 psf Pu = quB2 = 76233# <br /> Moment: 0= 0.90 <br /> Mn =Asfy(d—ay2) = 21.5 k-ft <br /> a=Asfyl(0.85f,B)= 0.36 in <br /> Mu <0m, Om„ = 19.4 k-ft <br /> z r z <br /> quB(B 2 C�) ZOMn (NB l 2 1) 20Mn <br /> Mu= —'qu= 2 Mu= —,qu= 2 <br /> 2 B((B—C2)/2) 2 B((B—Ci)/2) <br /> qu = 4785 psf or 4785 psf Pu =quB2 = 58622# <br /> Development of Reinforcement: <br /> __ 3 fy VitVbei/) <br /> td 402 f`(cb+KtT) db = 12 in ...15 in available OK <br /> db <br /> Soil Bearing Pressure 1500 psf 2000 psf 2500 psf 3000 psf 3500 psf 4000 psf <br /> Max Load(Ibs), Soil 17885 24010 30135 36260 42385 48510 <br /> Max Load(Ibs), One-Way Shear 42923 42923 42923 42923 42923 42923 <br /> Max Load(Ibs),Two-Way Shear 47646 47646 47646 47646 47646 47646 <br /> Max Load(Ibs), 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 />