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19011 Wood-Sno Road NE,Suite 100 <br /> T12Woodinville,WA 98072-4436 <br /> Phone;425-814-8448 <br /> E NGIIgEERIN a Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 36"x 36"x 12"thick \ \ <br /> \ <br /> Footing B = 3.00 ft • ,t <br /> t = 12in �, <br /> Reinforcement R = (3) a4 w h <br /> A sr = 0.60 in2 lsotefed faaft <br /> d = 8.25 In Cover: 3 in <br /> Column C i = 5.50 in Cz = 5,50 in <br /> Materials r, = 2500 psi No 1.00 <br /> fy = 40000 psi l Uncoatedo = 1.00 } <br /> Net Footing Weight R <br /> PFro= 0.36 k _. .j- <br /> Soft Pressure: c< R <br /> PAsn =gaB2 —pF'rs = , <br /> One-way shear: 0= 0.75 <br /> Vc = 2a f,Bd = 29.70 k <br /> Vu 0Ve OVc =11 22.28 k 11 <br /> Vu=quB(B 2C2—d]-y qu= B oCc__-- Vu =quB(B 2C., d}—► qu= (p 0Ci <br /> \ /l1 B f 2�—d� 1!!1! B l 2 a� <br /> qu = 7128 psf or 7128 psi P„ =quBz = 64152# <br /> Two-way shear., 0= 0,75 <br /> [22.6.5.2(a)] v, =4A J' = 200 psi a <br /> [22.6.5.2{b}] ve - tt2+4\A fi = 300 psi 1.00 <br /> R ax= 40 <br /> [22.6.5.2(c)) v, = (2+ba�A f" = 400 psi b° = 2(Ci+d)+2(Cz+d) <br /> 55 <br /> Vu <0VC 4Vc =(Pvcbod = 68.06 k <br /> Vu =quBZ —(C1 +d)(Cz +d)) -4 qu = x oV` <br /> [B --(C, +d)(c2 +d)] <br /> qu = 8854 psf Pt= quBZ = 796874 <br /> Moment: 0= 0.90 <br /> M„ =Asfy(d_(1/2) = 16.2 k-ft <br /> a=AJA0.85f,B)= 0.31 in <br /> M,<OM„ Old, = 14.6 k-ft <br /> quB r( z 2 <br /> 2 C21 20M„ quB(B Z U) 20Mn <br /> Mu= -iqu= z MU .-.>qu = z <br /> 2 B((B—C2)12) 2 B((B—Cl)/2) <br /> qu = 6013 psf or 6013 psf p„ = q„Bz = 64121# <br /> Development of Reinforcement: <br /> [a = , f f�(okl ,-} db = 12 in ...12 in available OK <br /> (TO cb+do J <br /> ® Soil Bearing Pressure 1600 psf 2000 psf 2600 psi 3000 psf 3600 psf 4000 psf <br /> Max Load(lbs), Soil 13140 17640 22140 26640 31140 35640 <br /> Max toad(lbs),One-Way Shear 40095 40095 40095 40095 40095 40095 <br /> Y <br /> Max toad(lbs),Two-Way Shear 49805 49805 49805 49805 49805 49805 <br /> Max toad(lbs),Moment 33825 33825 33825 33825 33825 33825 <br /> Max Load(ASD) 13140 17640 22140 26640 31140 33826 <br /> Max Load(Factored) 21024 28224 36424 42624 49824 54121 <br /> Date: V I9 201_£) <br /> Page:---------.M2.5 <br />