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E NGIUEEIRIN-G <br />Fro)ect: I ypicat Footing <br />Footing: 24" x 24" x 12" thick <br />Footing S = 2.00 ft <br />t=12in <br />Reinforcement R = (2) #4 <br />As, = 0.40 in <br />of = 8.25 in Cover: 3 in <br />Column C, = 3.50 in C2 = 3.50 in <br />Materials fc = 2500 psi Normalweight • = 1.00 <br />fy = 40000 psi Uncoated — 1.00 <br />Net Footing Weight <br />PFTG = 0.16 k <br />Soil Pressure_ <br />PASD = gaB2 — PFTG <br />One-way shear: 0 = 0.75 <br />Vc=2A fcBd= 19.80k <br />Vu<OVc OVc= 14.85k <br />(B —Cz— 0Vc <br />2 d <br />Vu=quB )-4 qu= B—C — <br />B ( 2 z d) <br />qu = 14547 psf or <br />Two-way shear: 0 = 0.75 <br />[22.6.5.2(a)] vc = Qf� _ <br />[22.6.5.2(b)] vc = (2 +� 1 fc = <br />[22.6.5.2(c)] vc = (2 + vo <br />19011 Wood-Sno Road NE, Suite 100 <br />Woodinville, WA 98072-4436 <br />Phone: 425-814-8448 <br />Fax. 425-821-2120 <br />lsoAftd foofing <br />Vu=quBB 2Ci—d)—, qu= B( 2 B 2C <br />\ 1—d) <br />14547 psf Pu =quBZ = 58188 # <br />200 psi a <br />300 psi Q = 1.00 <br />a, = 40 <br />451 psi bo = 2(C,+d)+2(C2+d) <br />47 <br />V. 95Vc T vc = (pvcbod = 58.16 k <br />V. = gJB2 — (CI + d)(C2 + d)] ---) 0Vc <br />qu = [B2 _ (CI + d) (C2 + d)] <br />qu = 19125 psf Pu = quBZ = 76499 # <br />Momenta 0 = 0.90 <br />M. = Asfy(d — a/2) = <br />10.8 k-ft <br />a=Asfyl(0.85fcB)= <br />0.31 in <br />Mu _< 0m, OM, = <br />9.7 k-ft <br />quB (B—C2l2 <br />20Mn <br />2 i <br />Mu= 2 �qu= <br />B((B - C2)/2}2 <br />qu = 13311 psf <br />or <br />Development of Reinforcement <br />3 fy 4eY's <br />_ <br />Id — <br />b + K <br />(TO2 f`r (c �� <br />db — <br />7 in <br />db <br />Adjusted <br />Soil Bearing Pressure <br />1500 psf <br />Max Load (lbs), Soil <br />5840 <br />Max Load (lbs), One -Way Shear <br />36367 <br />Max Load (lbs), Two -Way Shear <br />47812 <br />Max Load (lbs), Moment <br />33278 <br />Max Load (ASD) <br />5840 <br />Max Load (Factored) <br />9344 <br />quB l <br />((B-2 C20Mn,1z <br />1 <br />Mu= 2 <br />13311 psf Pu =quBZ = 53244 # <br />..7 in available OK <br />2000 psf 2500 psf 3000 psf 3500 psf 4000 psf <br />7840 <br />9840 <br />11840 <br />13840 <br />15840 <br />36367 <br />36367 <br />36367 <br />36367 <br />36367 <br />47812 <br />47812 <br />47812 <br />47812 <br />47812 <br />33278 <br />33278 <br />33278 <br />33278 <br />33278 <br />7840 <br />9840 <br />11840 <br />13840 <br />15840 <br />12544 <br />15744 <br />18944 <br />22144 <br />25344 <br />Date. 3 25 2021 <br />Page: M2.3 <br />