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19011 Wood-Sno Road NE, Suite 100 <br />Woodinville, WA 98072-4436 <br />IRTILPhone: 425-814-8448 <br />- - - -=l Fax: 425-821-2120 <br />F_ ll fq f <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 w <br />As, = 0.80 in <br />d = 8.25 in Cover: 3 in <br />Column C, = 5.50 in C2 = 5.50 in <br />Materials fc = 2500 psi Normalweight +: A = 1.00 <br />fy = 40000 psi Uncoated TJ V)e = 1.00 <br />Net Footing Weight <br />PFTG = 0.49 k <br />Soil Pressure: <br />PASD = gnB2 — PFTG = <br />One-way shear: 0 = 0.75 <br />Vc = 2A fc Bd = 34.65 k <br />Vu < 0Vc OV, = 25.99 k <br />/B —CZ — 1 0Vc <br />Vu=quB 2 d � qu=B(B—CZ_d) <br />2 <br />qu = 5606 psf or <br />Two-way shear: b = 0.75 <br />[22.6.5.2(a)] vc = 4h f� _ <br />[22.6,5.2(b)] vc = (2 -I- Q/ A fc = <br />122.6.5.2(c)] vc = {2 i bo / f� _ <br />lsdlated footing <br />9 <br />k <br />(B — Cl — 0Vc <br />Vu=quBj\ 2 d)qu=B(B—Cl—d) <br />2 <br />5606 psi Pu = quBZ = 68677 # <br />200 psi a <br />fi = 1.00 <br />300 psi a, = 40 <br />400 psi bo = 2(C,+d)+2(C2+d) <br />55 <br />Vu < d'VI 014c = (Pvcbod = 68,06 k <br />�Vc <br />Vu = gJB2 — (CI + d)(C2 + d)] qu = BZ _ (CI + d)(CZ + d)] <br />qu = 6223 psf Pu = quBZ = 76233 # <br />Moment. 0 = 0.90 <br />M„ = Asfy(d — a12) = <br />21.5 k-ft <br />a=Asfy/(0.85f,B) = <br />0.36 in <br />Mu < 0Mn OM, = <br />19.4 k-ft <br />quB (B2 �)2 <br />M 2 � n <br />u = 2 qu = B((B — CZ)/2}2 <br />qu = 4785 psf <br />or <br />Development of Reinforcement: <br />_ 3 fy >utyjeVjs d <br />Id b <br />12 in <br />40 2 fc (Cb -I- Ktr <br />) <br />db <br />Soil Bearing Pressure <br />1600 psf <br />Max Load (lbs), Soil <br />17885 <br />Max Load (lbs), One -Way Shear <br />42923 <br />Max Load (lbs), Two -Way Shear <br />4764E <br />Max Load (lbs), Moment <br />3663S <br />Max Load (ASR) <br />17885 <br />Max Load (Factored) <br />2861E <br />quB (�2 � -)Z _ 2 Mn <br />__ _ <br />Mu 2 � qu B((B — Ca)/Z}2 <br />4785 psf Pu = quBZ = 58622 # <br />...15 in available OK <br />2000 psf 2500 psf 3000 psf 3500 psf 4000 psf <br />24010 <br />30135 <br />36260 <br />42385 <br />48510 <br />42923 <br />42923 <br />42923 <br />42923 <br />42923 <br />47646 <br />47646 <br />47646 <br />47646 <br />47646 <br />36639 <br />36639 <br />36639 <br />36639 <br />36639 <br />24010 <br />30135 <br />36260 <br />36639 <br />36639 <br />38416 <br />48216 <br />58016 <br />58622 <br />58622 <br />Date: 3 19 2018 <br />Page: M2.6 <br />