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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: 1.364700 <br />Center: 992.035, 1976.875 <br />Radius: 1883.319 <br />Left Slip Surface Endpoint: 367.842, 200.003 <br />Right Slip Surface Endpoint: 2684.125, 1150.000 <br />Resisting Moment=8.8579e+010 lb-ft <br />Driving Moment=6.49075e+010 lb-ft <br />Resisting Horizontal Force=4.10856e+007 lb <br />Driving Horizontal Force=3.01061e+007 lb <br />Valid / Invalid Surfaces <br />Method: spencer <br />Number of Valid Surfaces: 1104 <br />Number of Invalid Surfaces: 3747 <br />Error Codes: <br />Error Code -100 reported for 1 surface <br />Error Code -101 reported for 30 surfaces <br />Error Code -103 reported for 350 surfaces <br />Error Code -1000 reported for 3366 surfaces <br />Error Codes <br />The following errors were encountered during the computation: <br />-100 = Both surface / slope intersections <br />are on the same horizontal surface. In general, this <br />will give a very high or infinite factor of safety (zero <br />driving force), if calculated. <br />-101 = Only one (or zero) <br />surface / slope intersections.