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• <br /> ' :z A&P Holdings 1498 plan <br /> Structural Calculations <br /> KEVIEVJ�, <br /> STRUCTURAL 'rt <br /> Check Wall Stability <br /> Overturning: Calculate moments about edge of toe <br /> Mar:=Ract• h3,4 =5891.9 Overturning moment due to soil <br /> pressure and surcharge(ft-lbs) <br /> 11'base:=(B)•150•r=516.7 Weight of base(lbs/ft) <br /> 12 <br /> l�'ste,n:=hn,as• 1� •150=1050 Weight of concrete stem wall (lbs/ft) <br /> wsa;t=lheer•h,•Ys=4214 Weight of soil over heel(lbs/ft) <br /> B r Resisting moment due to weight <br /> Mconc:= 2 •tit'base+W.rtea,•( 4 +1,Ue)=2734.7 of concrete(ft-lbs) <br /> I <br /> �1soi7:=tivsoir•(i + t +I2 1�e1 =14397.8 Resisting moment due to weight of <br /> soil (ft-lbs) <br /> FS°, M°°»`+Ms°;r=2 9 Factor of safety against overturning <br /> Mar <br /> R,,:=wso;r+wbase+wse77=5780.7 Vertical reaction (lbs) <br /> Rr,:=Race=1761.7 Horizontal reaction (Ibs) <br /> / <br /> /7 > <br /> / <br /> Pp=0 psf <br /> Pact=351.2 psf r, <br /> Iheel=3.5ft Itoe=1 f <br /> By:J.Conner, PE,SE <br /> Page 2 <br />