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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 Foatina � <br /> Footing: 30"x 30°x 12"thick <br /> �t <br /> Footing B = 2.50 ft <br /> t = 12in <br /> Reinforcement R = (3) #4 r <br /> A., = 0.60 in= <br /> d= 8.25 in Cover: 3 in <br /> Column C, = 3.50 in Cz = 3.50 in <br /> Materials fc, rm <br /> = 2500 psi Noaiweight A = 1.00 <br /> ;z <br /> fy = 40000 psi Uncoated V 7pe = 1.00 <br /> _} R <br /> Net Footing Weight ( I <br /> Soil Pressure:_ <br /> PASD = gaB2" PF7G <br /> One-way shear.' 0= 0.75 <br /> V, = 2Al f,Bd = 24.75 k <br /> Vu <_ OVc ¢Vz = 18.56 k <br /> (B-Cy- 1 0Vc B- Cl $Yc <br /> Yu=9uB d q,.= - Yu =quB d <br /> g(CI-d) 2 _ B(BB2 <br /> 2 2C _d) <br /> qu = 8955 psf or 8955 psf Pu = quBZ = 55967# <br /> Two-way shear. 0= 0.75 <br /> [22,6.5.2(a)] vc = 4A157, = 200 psi Cn <br /> [22.6.5.2(b)] v, _ (z+9) 0" 300 psi 8 = 1.00 <br /> = ax= 40 <br /> [22.6.5.2(c)) v, = (2+-)Al f� = 451 psi b o = 2(C,+d)+2(C2+d) <br /> bo 47 <br /> Vu < 0Vo 4)Ve =,0veb4d = 58.16 k <br /> �c <br /> Vu = qu[B2 -(CA +d)(CZ +d)] - qu = IBz_(Cl+d)(C2 +d)] <br /> qu = 10992 psf Pu = quBZ = 68702# <br /> Moment: 0= 0.90 <br /> Mn =AS fy(d-4/2) = 16.1 k-ft <br /> a=A,fyl(0.85f,B)= 0.38 in <br /> Mu <¢Mn OM„ = 14.5 k- <br /> 2 ft ((B_CI)2 <br /> 4uB��} ZOM,, quB L 2 ) 20M„ <br /> Mu= �qu = M- z u= -'qu=w z <br /> 2 B((B—C2)/2) 2 B((B—C,)/2) <br /> qu = 9522 psf or 9522 psf Pu = quBZ = 59512# <br /> Development of Reinforcement: <br /> [d <br /> _ 3 fy rwr e s dd,, = 10 in ...10 in available OK <br /> (TO <br /> fc\C )b <br /> Soil Bearing Pressure 1500 psf 2000 psf 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 Shear 42938 42938 42938 42938 42938 42938 <br /> Max Load(lbs), Moment 37195 37195 37195 37195 37195 37195 <br /> Max toad(ASD) 9125 12250 15375 18600 21625 24760 <br /> Max Load(Factored) 14600 19600 24600 29600 34600 39600 <br /> D ate:3125?2021 <br /> Page: M2.4 <br />