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65 Post Suite 1000 Irvine,CA 92618 <br />Check Footing: <br />Width, b = 24” <br />Bending Moment = 30,200 ft·# <br />MN = Mu = 33,556 ft·# <br /> Ф <br />d = 24” – 3” – (0.5”/2) = 20.8” <br />Try (2) #4 reinforcement → (0.20 in2)·4 = 0.80 in2 <br />a = As·fy = (0.80 in2)·(60) = 0.78” <br /> 0.85·fc’·bf 0.85·3·24” <br />Moment Capacity,Ф·MN =Ф·As·fy·(d - a/2) = <br />= 0.9·0.80 in2·60,000·(20.8” - 0.78”/2) / (12”/ft) <br />Ф·MN = 73,468 ft·# <br />φ∙MN ≥ Mu [O.K.] <br />DLFooting + Roof = 1.2 + 5.33k <br />Vu = 1.4∙D = 1.4∙6.5k = 9.14 kips φ∙VN =φ∙VC +φ∙VS <br />Shear Capacity,φ∙VC =φ∙2∙f c1/2∙b∙d <br />φ∙VC = 0.75∙2∙3,0001/2∙24”∙20.8” = 41.0 kips <br />φ∙VC ≥ Vu [O.K.] <br />302 E Santa Clara Ave <br />9/25/2024