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} <br />Typical Footing <br />36" x 36" x 12" thick <br />Footing B = 3.00 ft <br />t=12 in <br />Reinforcement R = (3) #4 • <br />A si = 0,60 in2 <br />d = 8.25 in Cover: 3 in <br />Column C 1 = 5.50 in C2 = 5.50 in <br />Materials fc = 2500 psi Normalweioht 7 = 1.00 <br />fy = 40000 psi Uncoated ir� �e = 1.00 <br />Net Footing Weight <br />P17G = 0.36 k <br />Soil Pressure: <br />PASD = qa B2 — PFTG — <br />One-way shear: 0 = 0.75 <br />Vc-2;. f,Bd= 29.70k <br />Vu < OVc 0Vc = 22.28 k <br />(8—Cz_ ) mVc <br />Vu=9u6 2 d ' 9u=B(�—d) <br />2 <br />qu = 12729 psf or <br />Two-way shear: 0 = 0,75 <br />[22.6.5.2(a)] vc = 4A j _ <br />(22.6.5.2(b)] vc = (2 t 0).1 fC' _ <br />[22.6.5.2(c)] vc — (2 + ti dd) 4 fc = <br />0 <br />19011 Wood-Sno Road NE, Suite 100 <br />Woodinville, Wit 98072-4436 <br />Phone:425-814-8448 <br />Fax: 425-821-2120 <br />Isolated /ooUng <br />l`B Cl — 0V <br />Vu=quB 2 d , qu=B/B—Ci_d) <br />l 2 J <br />12729 psf P. = quB2 = 114557 # <br />/3 <br />300 psi a, = 40 <br />400 psi be = 2(Cl+d)+2(C2+d) <br />55 <br />V. < 0VC pVc = ovcbed = 68.06 k <br />OVC <br />Vu = qu[B2 — (Cl + d)(C2 + d)] -. qu - [B2 — (Cl + d)(C2 + d)] <br />qu = 8854 psf Pu = quB2 = 79687 # <br />Moment. 0 = 0.90 <br />/ <br />Mn = Asfy(d — a/2) = <br />16.2 k-ft <br />a=Asfy/(0.85fcB)= <br />0.31 in <br />Mu < 0M,I OM, = <br />14.6 k-ft <br />z <br />_2 <br />quB (BCz <br />) <br />20Mn <br />Mu = 2 '-' qu — B((B <br />— C2)/Z)2 <br />qu = 6013 psf <br />or <br />Development of Reinforcement: <br />_ 3 fY >Utos'p' d _ <br />Id 6 — <br />12 in <br />(TO)' fc rLb+Ktrl <br />db J <br />Soil Bearing Pressure <br />1600 psf <br />Max Load (lbs), Soil <br />13140 <br />Max Load (lbs), One -Way Shear <br />71598 <br />Max Load (lbs), Two -Way Shear <br />49805 <br />Max Load (lbs), Moment <br />33825 <br />Max Load(ASD) <br />13140 <br />Max Load (Factored) <br />21024 <br />quB (B_Ci z <br />2 ) 20Mu <br />Mu = 2 —' qu = B((B — C) 2)z <br />6013 psf P. = quB2 = 5412T <br />...12 in available OK <br />2000 psf <br />2500 psf <br />3000 psf <br />17640 <br />22140 <br />26640 <br />71598 <br />71598 <br />71598 <br />49805 <br />49805 <br />49805 <br />33825 <br />33825 <br />33825 <br />17640 <br />22140 <br />26640 <br />28224 <br />i 35424 <br />42624 <br />3500 psf 4000 psf <br />31140 35640 <br />71598 71598 <br />49805 49805 <br />33825 33825 <br />31140 33825 <br />49824 54121 <br />Date: 1 23 2023 <br />Page: M2.5 <br />