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BTU <br /> 19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-8448 <br /> E NGI KE E RTN G Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 42"x 42"x 12"thick <br /> Footina B = 3.50 ft . <br /> t 12 in <br /> Reinforcement R (4) #4 +r. <br /> As, = 0.80 InA laai�led <br /> d= 8.25In Cover: 3 in <br /> I I <br /> Column C, = 5.50 in C2 = 5.50 in 3 E <br /> Materials f = 2500 psi Norrpahveight A= 1.00 -- j <br /> -. <br /> ' <br /> .... I > <br /> fy = 40000 psi Uncoated . Ie = 1.00 <br /> Net Footing Weight I II- <br /> PFro= 0.49 k <br /> Soil Pressure: _-0 <br /> DASD =gaB2""PFTG — <br /> One-way shear: 0= 0.75 <br /> VL=2,1 fe B d= 34.65 k <br /> Vu S V V,, OV,= 25.99 k <br /> (8-C2 \ 0V, B-Cl 0l� <br /> Vu=quBt 2 -d1--� 9u=8� -d) lu =q.B� 2 -d -a 4u-B�B-z l <br /> C1 -d} <br /> qu = 5606 psf or 5606 psf Pu = quBz = 68677# <br /> Two-way shear: 0= 0.75 <br /> [22,6.5,2(a)[ v, = 42 f,' = 200 psi G <br /> [22.6.5.2(b)) vt = (2 + fc= 300 psi <br /> ax= 40 <br /> [22.6.5.2(c)] v, = 2+bob fc _ 400 psi 50 55C1+d)+2(Cz+d) <br /> Vu < 0V, (PVc =Ovcbod= 68.06 k <br /> to = qu[B2 - (Cl+ d)(C2+d)] — qu = V[B2 -(Cl d)(cz + )] <br /> qu = $223 psf Fu = quBz = 76233# <br /> Moment: 0= 0.90 <br /> M,=A,sfy(d-a/2) = 21,5 k-ft <br /> a=Asf,,1(0,85r,;B)= 0.36 in <br /> MU 5 omn OM9z = 19.4 k-ft <br /> 2 z <br /> 20M„ quB } 20.4f, <br /> _ 2 � <br /> Mu 2 y qu-B((B-C2)/27 Mu= 2 qu=B((B-C7.)/2)` <br /> qu = 4785 psf or 4785 psf Pu =qus2 = 58622# <br /> Development of Reinforcement: <br /> td 4fl f, br+K,Tip"'P. b= 12 in ...15 in available OK <br /> f` \ do <br /> Soil Bearing Pressure 1600 psf 20Q0 psf 2500 psf 3000 psf 3500 psf 4000 psf <br /> Max Load(lbs),Soil 17886 24010 30135 36260 42385 48510 <br /> Max Load(lbs),One-Way Shear 42923 42923 42923 42923 42923 42923 <br /> Max Load (lbs),Two-Way Shear 47646 47646 47646 47646 47646 47646 <br /> Max Load (lbs), Moment 36639 36639 36639 36639 36639 36639 <br /> Max Load(ASD) 178135 24010 30135 36260 36639 36639 <br /> Max Load(Factored) 28916 39416 48216 68016 58622 58622 <br /> Date:3/19/201$ <br /> Page M2.fi <br />