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19011 Wood-Sno Road NE,Suite 100 <br /> WoodinNjUe,WA 98072-4436 <br /> a <br /> Phone:425-814-8448 <br /> ENCWEERIN Fax:425-821-2120 <br /> Project: Typical Fco0na <br /> Footing: 30"x 30"x 12"thick <br /> Footing B = 2.50 ft � <br /> t = 12in <br /> Reinforcement R = (3) #4 <br /> A,, = 0.60 in= 180kood ko fnv <br /> d = 8.25 in Cover. 3 in - + <br /> i <br /> Column C, = 3.50 in C2 = 3.50 in <br /> Materials F, = 2500 psi Normalweight <br /> fy = 40000 psi Uncoated 1pe = 1 AO <br /> Net Footing Weight R 1 <br /> PFTG= 0.25 k <br /> Soil Pressure: <br /> PASD = gaBZ —PFra <br /> One-way shear.' 0= 0.75 <br /> Vc =2A f,Bd = 24.75 k <br /> V, 0Vc OVc = 18.56 k <br /> (B-C — 0V B(B—C,^al oy, <br /> Vu=quB 2 d ► qu= ((B—C Vu=qu 2 q„ =B(B—C, d) <br /> 2 Bl —d) <br /> qu = 8955 psf or 8955 psf Pit = quB2 = 55967# <br /> Two-way shear: to= 0.75 <br /> 122.6.5.2(a)) vc = 4d c = 200 psi a <br /> (22.6.5.2(b)j vc = (2+4}A fc = 300 psi 6 = 1.00 <br /> R a,= 40 <br /> b o = 2(C,+d)+2(C2+d) <br /> j22.6.5.2(c)) vc = (2 b, �l f� = 451 psi 47 <br /> Vu <0Vc (PVc =Ovcbod = 58.16 k <br /> V. = qu[BI —(Cl+d)(C2+d)j - qu = 0Vc <br /> [Bz_(Cl+d)(CZ ! d)l <br /> qu = 10992 psf Pu = quB2 = 68702# <br /> Moment: 0= 0.90 <br /> Mn=As fy(d--a/2) = 16.1 k-ft <br /> a=A,fyl(0.85f�B)= 0.38in <br /> Mu <omn OM7L = 14.5 k-ft <br /> 2 z <br /> quB(`�) 20m, quB�g 2 � 20M,� <br /> Mu= 2 qu B((B—C2)/2)z u= 2 —'4u=B((B—CI)/2)2 <br /> qu = 9522 psf or 9522 psf Pu = quB2 = 59512# <br /> Development of Reinforcement, <br /> 3 fy Pc,PP,Ps db = 10 in ...10 in available OK <br /> 40� fc`(eb d I b <br /> Soil Bearing Pressure 1500 psf 2000 psi 2500 psf 3000 psf 3500 psf 4000 psf <br /> Max Load(lbs), Soil 9125 12250 15375 18500 21625 24750 <br /> Max Load(lbs),One-Way Shear 34980 34980 34980 34980 34980 34980 <br /> Max Load(lbs),Two-Way Sheer 42938 42938 42938 42938 42938 42938 <br /> Max Load(lbs), Moment 37195 37195 37195 37195 37195 37195 <br /> Max Load(ASD) 9125 12260 15375 18600 21626 24750 <br /> Max Load(Factored) 14600 19600 24600 29600 34600 39600 <br /> Date:3 2 <br /> Page. M2.4 <br />