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iR Water Surface: Water Table <br />Custom Hu value: 1 <br />Material: Foundation <br />Strength Type: Shear Normal function <br />Unit Weight: 120 Ib/ft3 <br />Water Surface: None <br />Material: Ph V Geomembrane/Soil Liner <br />Strength Type: Mohr-Coulomb <br />Unit Weight: 120 Ib/ft3 <br />Cohesion: 1 psf <br />Friction Angle: 18 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: 1.330910 <br />Axis Location: 420.279, 815.299 <br />Left Slip Surface Endpoint: 414.034, 175.926 <br />Right Slip Surface Endpoint: 928.030, 426.679 <br />Resisting Moment-- 1.2836e+009 lb-ft <br />Driving Moment=9.64453e+008 lb-ft <br />Resisting Horizontal Force=1.67525e+006 lb <br />Driving Horizontal Force= 1.25873e+006 lb <br />Valid / Invalid Surfaces <br />Method: spencer <br />Number of Valid Surfaces: 4687 <br />Number of Invalid Surfaces: 313 <br />Error Codes: <br />Error Code -108 reported for 54 surfaces <br />Error Code -111 reported for 259 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 />-111 = safety factor equation did not converge <br />r: