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Table <br /> COVER SLOPE STABILITY LYSIS- INFINITE SLOPE <br /> Forward Landfill Cover Slope Stability-Saturated <br /> Slope Surface Final Cover <br /> Interim Cover <br /> Potential Failure Surface <br /> 1 a MSW <br /> z <br /> 1 <br /> Data: Z=failure depth in vertical feet Z= 4 ft <br /> Cover Soil Density: Yt= 120 pcf <br /> Soil/Interface Layer Properties: <br /> -Cohesion c= 100 psf <br /> -Friction Angle = 30 degrees <br /> El=expansion index EI= 50 <br /> F=cohesion reduction factor=40/(13+E1)= F= 0.63 <br /> Yb=Total unit Weight= Yb= 57.6 pcf <br /> Slope Angle(3.2:1, H:V) a = 17.4 degrees <br /> saturation of slope surface to depth Z <br /> flow lines parallel to slope face <br /> 1). Static Factor of Safety ='Yb tan� +2Fc = 1.35 <br /> yt tan a ytZsin2a <br /> Table 5 Infinite SurficialSlopeStabilityoverall Sat.xls <br />