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19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,Wz198072 4436 <br /> Phone:425-814-8448 <br /> E NC N E ERIN G Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 36"x 36"x 12"thick V <br /> • Footing B = 3.00 ft '�• <br /> • <br /> t = 12in <br /> Reinforcement R = (3) I#4 +1 <br /> Asr = 0.60 in2 teoleedrontrop <br /> d = 8.25 in Cover: 3 in <br /> Column Ci = 5.50 in C2 = 5.50'in <br /> Materials rc = 2500 psi (Normaiweigttt. , 7 i 2 = 1.00 <br /> 1 <br /> fy = 40000 psi Uncoated >�e = 1.00III RII�Net Footing Weight aPFTa= 0.36 k Y <br /> Soil Pressure: I R <br /> PASD =ClaB2—PFrc = o 1 <br /> One-way shear: 0= 0.75 <br /> Vc= 221 fc Bd = 29.70 k <br /> Vu .. 0Vc 0Vc = 22.28k <br /> (-B—Cz 1 0Vc B—c1 OVC <br /> Vu=quB <br /> 2 —d)-0 qu= B—C Vu=quB 2 —d -> qu= B—C <br /> / B(2—d) B(2—d) <br /> qu = 7128 psf or 7128 psf Pi, = quBz = 64152# <br /> Two-way shear: 0= 0.75 <br /> [22.6.5.2(a)] vc =4A f. = 200 psi a <br /> [22.6.5.2(b)] vc = (2+4)2 fc = 300 psi /3 = 1.O0 <br /> B crx= 40 <br /> [22.6.5.2(c)] vc = (2+ bo).i. fc = 400 psi bo = 2(C1+d)+2(C2+d) <br /> 55 <br /> Vu 5 iffiVc OK =Ovcbod = 68.06 k <br /> Vu =qu[B2 —(C1+d)(C2+d)] —* qu = [Bz OV` <br /> I. <br /> qu = 8854 psf Pu =quBz = 79687# <br /> Moment: 0= 0.90 <br /> Mn =AsfY(d—a/2) = 16.2 k-ft <br /> a=A dry/(0.85fcB)= 0.31 in <br /> Mu <— OMn OM„ = 14.6 k-ft <br /> ( — )2 (r ll2 <br /> • <br /> quB lB 2 Czl 20M7 quB[2 1 20Mn <br /> Mu= —'qu= M — --> 2 <br /> 2 B((B—Cz)/2}z u— 2 4u= <br /> B((B—C1}12) <br /> rill = 6013 psf or 6013 psf Pu = quBz = 54121# <br /> Development of Reinforcement: <br /> (3 fy tte1Ps <br /> td = 40 d fc(Cb+Ktr) db = 12 in 12 in available OK <br /> l db <br /> Soil Bearing Pressure 1500 psf 2000 psf 2500 psf 3000 psf 3500 psf 4000 psf <br /> Max Load(Ibs), Soil 13140 17640 22140 26640 31140 35640 <br /> Max Load(Ibs), One-Way Shear 40095 40095 40095 40095 40095 40095 <br /> Max Load(Ibs),Two-Way Shear 49805 49805 49805 49805 49805 49805 <br /> Max Load(Ibs), Moment 33825 33825 33825 33825 33825 33825 <br /> Max Load(ASD) 13140 17640 22140 26640 31140 33825 <br /> Max Load(Factored) 21024 28224 36424 42624 49824 54121 <br /> Date: 3/19/2018 <br /> Page: M2.5 <br />