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BTIL <br />E i'wt+br is � E ��lifC4 � <br />rIVJV6,L. 1 ypical roovng <br />Footing: 48" x 48" x 12" thick <br />Footing B = 4.00 ft <br />t= 12 in <br />Reinforcement R = (5) m4 <br />A,, = 1.00 in <br />d = 8.25 in Cover: 3 in <br />Column CT = 5.50 in C2 = 5.50 in <br />Materials fc = 2500 psi Ngrma[weight _ .1= 1.0Q <br />fy = 40000 psi Uncoated 1.00 <br />Net Footing Weight <br />PFrc = 0.64 k <br />Soil Pressure: <br />PAsD = gaB2 - PFTs = <br />One-way shear: 0 = 0.75 <br />Vc = 2a fc Bd = 39.60 k <br />VuSOVc OVc= 29.70k <br />(B -- C2 _ 0V, <br />Vu=q.B 2 d)-4 qu- B�B-C2-d) <br />2 <br />qu = 4644 psf or <br />Two-way shear: 0 = 0.75 <br />[22.6.5.2(a)] v, = 4A f, = <br />[22.6.5.2(b)] vc = 2 + R) I fc -_ <br />19011 Wood-Sno Road NE, Suite 100 <br />Woodinville, WA 98072-4436 <br />Phone: 425-814-8448 <br />Fax: 425-821-2120 <br />jt <br />Isolated fvEng <br />(B -C,- } _ 0VC <br />Uu = 4uB 2 dj -' 4u - B (B^L.k - d) <br />4644 psf Pu = quB2 = 74298 # <br />200 psi a <br />300 psi 6 = 1.00 <br />a. = 40 <br />400 psi bo = 2(Cl+d)+2(C2+d) <br />55 <br />Vu (PVc YVC = qjvcb0d = 68.06 k <br />V. = qu[B2 - (C., + d)(C2 + d)] -> qu = [B2 - (CI 0 d){C2 + d}] <br />qu ° = 4634 psf P„ = q„B2 = 74147 # <br />Moment. 0 = 0.90 <br />M, = As fy(d - a/2) = <br />26.8 k-ft <br />a = A sfy/(0.85F�B) = <br />0.39 in <br />Mu S 4Mn OM, = <br />24.2 k-ft <br />2 <br />4uB (B 2 Ca) <br />20Mx <br />Mu= 2 �qu= z <br />B((B - C2)/2) <br />qu = 3853 psf <br />or <br />Development of Reinforcement: <br />__ 3 fy to"Ips <br />Id Y' <br />- <br />12 In <br />40 fc (cb + Kt,,))db <br />` db <br />Soil Bearing Pressure <br />1500 psf <br />Max Load (lbs), Soil <br />23360 <br />Max Load (lbs), One -Way Shear <br />46436 <br />Max Load (lbs), Two -Way Shear <br />46342 <br />Max Load (lbs), Moment <br />38525 <br />Max Load (ASD) <br />23360 <br />Max Load (Factored) <br />37376 <br />B_C,12 <br />quB 2 i 20m, <br />M. 2 -->qu= <br />B((B - Ci)/2)z <br />3853 psf P. = quB2 = 61640 # <br />...18 in available OK <br />2000 psf 2500 psf 3000 psf 3600 psf 4000 psf <br />31360 <br />39360 <br />47360 <br />55360 <br />63360 <br />46436 <br />46436 <br />46436 <br />46436 <br />46436 <br />46342 <br />46342 <br />46342 <br />46342 <br />46342 <br />38525 <br />38525 <br />38525 <br />38525 <br />38525 <br />31360 <br />38525 <br />38525 <br />38525 <br />38525 <br />50176 <br />61640 <br />61640 <br />61640 <br />61640 <br />Date: 3 19 2018 <br />Page: M2.7 <br />