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19011 Wood-Sno Road NE,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-8448 <br /> E NGIMEEh.IN-Q Fax:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 24"x 24"x 12"thick <br /> Footing B = 2.00 ft <br /> t = 12in <br /> Reinforcement R = (2) #4 <br /> As, = 0.40 in rsoWedfoaung <br /> d = 8.25 in Cover: 3 in <br /> Column C, = 3.50 in C2 = 3.50 in <br /> Materials f c = 2500 psi Normalweight • = 1.00 <br /> fy = 40000 psi Uncoated — 1.00 <br /> e <br /> Net Footing Weight x <br /> PFTG= 0.16 k _447-7 - <br /> Soil Pressure: � r <br /> PASD = gaB2 —PFTG = <br /> One-way shear.- 0 = 0.75 <br /> V, = 2A flBd = 19.80k <br /> Vu < OV, OVe = 14.85k <br /> B—C2 OVA (B—Cl 11 ( 0V, <br /> Vu=QuB 2 —d -� 4u=B�B—C d) V� =quB 2 —d1 —� 9u =BlB—C —d) <br /> z_ i <br /> 2 2 <br /> qu = 14547 psf or 14547 psf Pu = quBZ = 58188# <br /> Two-way shear: 0= 0.75 <br /> [22.6.5.2(a)] vc = Q fC = 200 psi a <br /> [22.6.5.2(b)] vc = (2+4) fC.' = 300 psi a = 1.00 <br /> 9 a,= 40 <br /> [22.6.5.2(c)] v, _ {2+vo).1 f� = 451 psi <br /> b a = 2(C,+d)+2(C2+d) <br /> 47 <br /> V. < 95Vc OVc = (fvcbod = 58.16 k <br /> Vu. = qu[B2 —(Cl +d)(C2 +d)] - _ 0V, <br /> qu — [B2 — (C1+d)(C2 +d)] <br /> qu = 19125 psf Pu = quBZ = 76499# <br /> Moment.' 0= 0.90 <br /> Mn =AS fy(d—a/2) = 10.8 k-ft <br /> a=Asfy1(0.85f,B)= 0.31 in <br /> Mu _< OMn OM„ = 9.7 k-ft <br /> B—C B C <br /> z 2 z <br /> quB( 2 � 20m, _quB�z _ 20Mn <br /> Mu= 2 4u=B((B—C2)/2)2 <br /> Mu 2qu—B((B—Cl)/2)2 <br /> qu = 13311 psf or 13311 psf Pu = quBZ = 53244# <br /> Development of Reinforcement <br /> 3 Wt`Ye Y's <br /> Id (TO <br /> lY_ r+K� <br /> db = 7 in ...7 in available OK <br /> f`r(c db Adjusted <br /> Soil Bearing Pressure 1500 psf 2000 psf 2500 psf 3000 psf 3500 psf 4000 psf <br /> Max Load (lbs), Soil 5840 7840 9840 11840 13840 15840 <br /> Max Load (lbs), One-Way Shear 36367 36367 36367 36367 36367 36367 <br /> Max Load (lbs), Two-Way Shear 47812 47812 47812 47812 47812 47812 <br /> Max Load (lbs), Moment 33278 33278 33278 33278 33278 33278 <br /> Max Load(ASD) 5840 7840 9840 11840 13840 15840 <br /> Max Load(Factored) 9344 12544 15744 18944 22144 25344 <br /> Date: 3 25 2021 <br /> Page: M2.3 <br />