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Water Surface: Water Table <br />Custom Hu value: 1 <br />Material: Foundation <br />Strength Type: Mohr-Coulomb <br />Unit Weight: 120 Ib/ft3 <br />Cohesion: 1 psf <br />Friction Angle: 26 degrees <br />Water Surface: None <br />Material: Ph II Geomembrane/Soil Liner <br />Strength Type: Mohr-Coulomb <br />Unit Weight: 120 Ib/ft3 <br />Cohesion: 1600 psf <br />Friction Angle: 15 degrees <br />Water Surface: None <br />Material: Structural Fill <br />Strength Type: Mohr-Coulomb <br />Unit Weight: 120 Ib/ft3 <br />Cohesion: 1 psf <br />Friction Angle: 38 degrees <br />Water Surface: None <br />Global Minimums <br />Method: spencer <br />FS: 1.065870 <br />Axis Location: 339.030, 2621.829 <br />Left Slip Surface Endpoint: 109.105, 142.015 <br />Right Slip Surface Endpoint: 2184.926, 950.000 <br />Resisting Moment=3.38916e+010 lb-ft <br />Driving Moment=3.17971 a+010 lb-ft <br />Resisting Horizontal Force= 1.21411 a+007 lb <br />Driving Horizontal Force=1.13908e+007 lb <br />Valid / Invalid Surfaces <br />Method: spencer <br />Number of Valid Surfaces: 4962 <br />Number of Invalid Surfaces: 38 <br />Error Codes: <br />Error Code -108 reported for 31 surfaces <br />Error Code -112 reported for 7 surfaces <br />Error Codes <br />The following errors were encountered during the computation: <br />-108 = Total driving moment <br />or total driving force < 0.1. This is to <br />limit the calculation of extremely high safety <br />factors if the driving force is very small <br />(0.1 is an arbitrary number). <br />9 -112 = The coefficient M-Alpha = cos(alpha)(1+tan(alpha)tan(phi)/F)