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19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-8448 <br /> Pax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 48"x 48"x 12"thick <br /> r Footing B =4.00 ft a <br /> t = 12in <br /> Reinforcement R = (5) I <br /> Asr = 1.00 in raola[ed foomlry <br /> d= 8.25 in Cover: 3 in <br /> Column C1 = 5.50 in C2 = 5.50 in <br /> Materials fc = 2500 psi (Wormaiweight_ _ �] = 1.00 <br /> fy = 40000 psi Uncoated. I - 1.00 ' <br /> Net Footing Weight e R <br /> PFrs= 0.64 k i ! <br /> Soil Pressure: -'-� <br /> PASA =gaB2-Pis - <br /> One-way shear.• 0= 0.75 <br /> Vt =2.1 f,'Bd= 39.60k <br /> Vu:5 OVc 4}Vc= 29.70 k <br /> (B-C2_ 1 0V, (B-Ci_ oy <br /> vu=quB 2 dJ-� qu= B_Cz Vu=q.B 2 d1-� qu= B-C <br /> 8( -d) B� 2 <br /> qu 4644 psf or 4644 psf P.=quB2 = 74298# <br /> Two-way shear., 0= 0.75 <br /> ]22.6.5.2(a)] Pc=4d fc= 200 psi a <br /> [22.6.5.2(b)] Pc= (2 {-�) fc,1 = 300 psi /� = 1.00 <br /> CCx= 40 <br /> [22.6.5.2(c)] Pc= �2+LEE-)A fc= 400 psi 6 a - 2(Cl+d)+2(C2+d) <br /> bo 55 <br /> Vu C OVc OVc=Ovchod= 68.06 k <br /> V.=qu[B2 -(CI+d)(C2+d)] _ qu= 0Vc <br /> [B2-(CI+d)(C2+d)] <br /> qu = 4634 psf Pu = quB2 = 74147# <br /> Moment. 0=0.90 <br /> Mn =Asfy(d-a/2) = 26.8 k ft <br /> a=Asfy/(0.85fcB)= 0.39 in <br /> Mu <OMn ¢M,= 242 k-ft <br /> z 2 <br /> Mu= 2 20Mn->qu= 2 Mu 2�bM B l 2 qu= n 2 <br /> B((B-C2)I2) 2 B((B-CI)/2) <br /> qu = 3853 psf or 3853 psf Pu = quB2 = 61640# <br /> Development of Reinforcement. <br /> __ 3 fy otipeos <br /> Id 40� fc(cb t Ktr db- 12 in ...18 in available OK <br /> `fit )) <br /> - <br /> Soil Bearing Pressure 1500 psf 2000 psf 2500 psf 3000 psf 3600 psf 4000 psf <br /> Max Load(lbs), Soil 23360 31360 39360 47360 55360 63360 <br /> Max Load(lbs),One-Way Shear 46436 46436 46436 46436 46436 46436 <br /> Max Load(lbs),Two-Way Shear 46342 46342 46342 46342 46342 46342 <br /> Max Load(lbs),Moment 38525 38525 38525 38525 38525 38525 <br /> Max Load(ASD) 23360 31360 38526 38525 38525 38525 <br /> Max Load(Factored) 37376 50176 61640 61640 61640 61640 <br /> Date:3/19/201$ <br /> Page: M2.7 <br />