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19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-8448 <br /> 11 ENGI EERING Fax:425-821-2120 <br /> Project: Typical Footing <br /> t <br /> Footing: 42"x 42"x 12"thick r <br /> Footing 8 = 3.50 ft /. t <br /> t = 12in _ <br /> Reinforcement R = (4) 7#4 <br /> Asr = 0,80in2 fsoktedfba"a <br /> d = 8.25In Cover: 3 in _-...:•. -___... .—._..f.._._! <br /> Column Cf = 5.50 in C2 = 5.50 in <br /> Materials f 2500 psi Normalweight d= 1.00 <br /> j L1ft <br /> f y = 40000 psi Uncoated W pe= 1.00 <br /> Net Footing Weight <br /> Soil Pressure: ( �_ <br /> PASD = gaB2 —PFTG — <br /> One-way shear. 0.75 <br /> V, = 2A f,Bd = 34.66k <br /> Vu < OV, OVr = 25.99k <br /> (B-C2 ` 0V, V B�B-Cl-d)i 0V` <br /> Vu -quBl 2 -dl -e qu w BNC u =qu 2 /II 4u=B/B-Ci <br /> \\ d) ` 2 <br /> qu = 5606 psf or 5606 psf P. = quBz = 68677# <br /> Two-way shear: 0= 0,75 <br /> [22.6.5:2(a)] vc =4A T = 200 psi a <br /> � <br /> (22.6:5.2(b)] v, _ �2 +Q� 6 = 1.00 <br /> 7 fc` = 300 psi = 40 <br /> 2--d) ' - b o = 2(C,+d)+2(C2+d) <br /> [22.6.5.2(c)] v� _ (2+ bo ? fc - 400 psi 55 <br /> V1, c0V, OV, =Ov�bod = 68.06k <br /> �vu = qu[B2 -(C,+d)(Cz+d)] -� qu = V� <br /> [B� -Ccl+a)(c2 +d)) <br /> qu = 6223 psf P. = quBZ = 76233# <br /> Moment: 0= 0.90 <br /> Mn =Asfy(d-a12) = 21.5 k-ft <br /> a=A,fy/(0,85f,S)= 0,36 in <br /> M., < 0M, Old, = 19.4k-ft <br /> qu � } 201v1 quB rB-C, 2 <br /> B n l 2 20Mn <br /> 2 <br /> Mu- 2 qu "B((B-C2)/2)2 Mu =-- 2 qu e B({B-Ci)/2)2 <br /> qu = 4785 psf or 4785 psf Pu = q, R2 = 58622# <br /> Development of Reinforcement: <br /> _ 3 fy 'PtOelps dU = 12 in ...15 in available OK <br /> td 40 J fc�eb+Xtr} <br /> d# 1 <br /> Soil Bearing Pressure 1600 psf 2000 psf 2500 psf 3000 psf 3600 psf 4000 psf <br /> Max Load(lbs), Soil 17885 24010 30135 36260 42385 48510 <br /> Max Load(lbs),One-Way Sheaf 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 /> Ajax Load(Factored) 28616 38416 48216 58016 58622 58622 <br /> Date:31 19l2018 <br /> Page: M2.6 <br />