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19011 Wood no Road NE,Suite 100 <br /> B T LE <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-8448 <br /> E KOINEERIN G Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 36"x 36"x 12"thick <br /> It <br /> . Footing B = 3.00 ft • <br /> t = 12 in <br /> , Reinforcement R = (3) I414 • <br /> As1 = 0.60 in2 Isotatedfoo#ng <br /> d = 8.25 in Cover: 3 in <br /> Column C1 = 5.50 in C2 = 5.50 in <br /> Materials f c = 2500 psi I Normalweght vi A= 1.00 <br /> at.71 <br /> fy = 40000 psi I Uncoated__ .w I IN = 1.00 IliE Mb <br /> Net Footing Weight R <br /> PFro= 0.36 k Y <br /> Soil Pressure: I R I <br /> PASD =gaB2—PM = e <br /> One-way shear: 0= 0.75 <br /> Vc = 2AZBd = 29.70 k <br /> Vu < DVc OVc = 22.28k <br /> rB-C2- 0Vc �B-Cl- 0V� <br /> Vu=quB 2 d 4u=B�B—�-d� Vu=quB 2 d -' qu=B(B—C�-d` <br /> 2 ) <br /> qu = 7128 psf or 7128 psf Pu =quB2 = 64152# <br /> Two-way shear: 0= 0.75 <br /> [22.6.5.2(a)] vc =4AAITZ = 200 psi G <br /> [22.6.5.2(b)] ve= (2+4) f? = 300 psi fi= 1.00 <br /> R ax=40 <br /> [22.6.5.2(c)] v =(2+axd)2.a.= 400 psi b 0 = 2(C1+d)+2(C2+d) <br /> bo 55 <br /> Vu <qVc 4Vc =civcbod = 68.06k <br /> Vu =qu[B2 -(Cs+d)(C2 +d)] -+ qu = z OK <br /> qu = 8854 psf Pu = quB2 = 79687# <br /> Moment: 0= 0.90 <br /> Mn =Asfy(d-a/2) = 16.2 k-ft <br /> a=Asfyl(0.85f,B)= 0.31 in • <br /> Mu< OMn OMn = 14,6 k-ft <br /> B(BB-C2 2 B((BBCi)2 <br /> Qu ( 2 / 20M„ qu l 2 ) 20Mn <br /> Mu= 49u= z Mu= -'qu= z <br /> 2 B((B-c2)/2) 2 B((B-cl)/2) <br /> qu = 6013 psf or 6013 psf Pu =quB2 = 54121 # <br /> Development of Reinforcement: <br /> 3 fyt+eOs 12 in ...12 in available OK <br /> ld= 40 fc(cb+Ktrl db = <br /> db J <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 /> y Max Load(lbs),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 35424 42624 49824 54121 <br /> Date: 3/19/2018 <br /> Page: M2.5 <br />