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6 <br /> 19011 Wood-Sno Road N> ,Suite 100 <br /> Woodinville,WA 98072-4436 <br /> Phone:425-814-8448 <br /> RI N C Fags:425-821-2120 <br /> Project: Typical Footing <br /> Footing: 42"x 42"x 12"thick <br /> Footing B W 3.50 ft <br /> t = 12 in �,�°'� <br /> Reinforcement R = (4) 7;4 ' <br /> A S, = 0.80 in2 frso/atsd lood»e <br /> d = 8.25 in Cover: 3 in <br /> Column C, = 5.50 in C2 = 5.50 in <br /> Materials T� = 2500 psi Normalweight _ A = 1.00 <br /> fy = 40000 psi Uncoated Via = 1.00 <br /> Net Footing Weight a <br /> PFTG W 0,49 k <br /> Solt Pressure: <br /> �i <br /> PASn = qaB2 —PFTG = <br /> One-way shear: to = 0.76 <br /> Vc = 2.1 f,'Rd = 34,65 k <br /> V,, < 0Vc OVc = 25.99 k <br /> B-'C2 1 oy, B- C, f 0Vc <br /> VIA = q,B 2 `_d J-� qt, = $ VA <br /> =qua L —d) qu \g—C <br /> 2 ' —d <br /> qu = 5606 psf or 6606 psi P„ =tt„B2 = 68677 V <br /> Two-way shear: 0 W 0.75 <br /> [22.6.5.2(a)] vc = 4d f, = 200 psi 4zi <br /> (22.6.5.2(b)) vc = 2+1 1.00}A f� = 300 psi �W <br /> R ax= 40 <br /> (22,6.5.2(c)J vc = �2+vo}.l f� = 400psi bo e 55C;ad)}2(C2+d) <br /> l; V,. OVc = 4vcbad = 68.06 k <br /> V. = q.[B2 (c, +d)(c2 +d)] - qu = fbVc <br /> �r�z -(c, +d)(cZ +d)l <br /> qu = 6223 psf P,, = quB2 = 76233#} <br /> Moment: 0= 0.90 <br /> M„ = As fy(d—aI2) 21.5 k-ft <br /> a=ASfy1(0.85f',B)= 0.36 in <br /> M„ < omr, OM„ = 19.4 k-ft <br /> z z <br /> c2 (B�C,l <br /> qufi(B_2 � 2rpbfh qrtB l 2 1 20M„ <br /> 2 B((B-C,)12) 2 B((B-CI)12)2 <br /> q„ = 4785 psf or 4785 psf Au =q„B2 = 58622 V <br /> Development of Reinforcement: <br /> 1� —(To <br /> fy 1ptV eV A., d,, = 12€n ...15 in available OK <br /> (( <br /> a f� lc fib ) <br /> Soil Bearing Pressure 1600 psf 2000 psf 2600 psf 3000 psf 3600 psf 4000 psf <br /> Max Load(lbs), Soil 17885 24010 30135 36260 42385 48510 <br /> Max Load(lbs), One-Way Shear 42923 42923 42923 42923 42923 42923 <br /> Max Load(lbs),'Two-Way Shear 47646 47646 47646 47646 47646 47646 <br /> Max Load(lbs),Moment 36639 36639 36639 36639 36639 36639 <br /> Max Load(ASD) 17886 24010 30135 36260 36639 36639 <br /> Max Load(Factorod) 28616 38416 48216 68016 68622 58622 <br /> Date: 3 19 2018 <br /> Page: M2.6 <br />