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A&P Holdings 1498 plan <br /> Structural Calculations <br /> s <br /> E <br /> 1498 plan retaining wall foundation structural Calculations <br /> Concrete Retaining wall Design <br /> Design Criteria: <br /> -Design per active lateral earth pressures, drained condition <br /> -Surcharge due to tractor or light truck equal to 1'-0"of soil <br /> -Max soil bearing pressure=2,000 psf <br /> y,:=120 Soil weight(pcf) <br /> yaci =35 Active lateral earth pressure(pcf) <br /> yr:=250 Passive lateral earth pressure(pcf) <br /> h,,,ax:=10.5 Max height of wall (ft)from bot ftg <br /> h,,:=9.7 Soil height(ft) <br /> h,:=0 Soil depth at toe(ft) <br /> t:=8 Assumed concrete thickness(in) <br /> heel:=3.5 Length of heel (ft) <br /> l,,,e:=1 Length of toe (ft) <br /> h,,,,:=h,+1 —�2 =10 total effective soil height above top <br /> of footing, including surcharge(ft) <br /> Pae,:=yac,•h,.w=351.2 Pressure at base of wall (psf) <br /> Pr:=yr•h,=0 Passive pressure at toe (psf) <br /> Rae,:_ 2 •Pac,•h,w=1761.7 Resultant force from soil pressure(plf) <br /> Rr:= •Pr•h =0 Resultant force from passive pressure(plf) <br /> 2 <br /> B:=1,Oe+lheer+ 12 =5.2 Total length of base(ft) <br /> By:J. Conner, PE, SE <br /> Page 1 <br />