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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: 80-mil/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: 35 degrees <br />Water Surface: None <br />Global Minimums <br />Method: spencer <br />FS: 1.053520 <br />Center: 243.125, 1890.945 <br />Radius: 1790.775 <br />Left Slip Surface Endpoint: 224.765, 100.264 <br />Right Slip Surface Endpoint: 1665.915, 803.496 <br />Resisting Moment=1.57211 a+010 lb-ft <br />Driving Moment=1.49225e+010 lb-ft <br />Resisting Horizontal Force=7.65932e+006 lb <br />Driving Horizontal Force=7.27025e+006 lb <br />Valid / Invalid Surfaces <br />Method: spencer <br />Number of Valid Surfaces: 1786 <br />Number of Invalid Surfaces: 3065 <br />Error Codes: <br />Error Code -101 reported for 86 surfaces <br />Error Code -103 reported for 163 surfaces <br />Error Code -1000 reported for 2816 surfaces <br />Error Codes <br />The following errors were encountered during the computation: <br />-101 = Only one (or zero) <br />surface / slope intersections. <br />-103 = Two surface / slope intersections, <br />but one or more surface / nonslope external polygon <br />intersections lie between them. This usually occurs <br />when the slip surface extends past the bottom of the <br />soil region, but may also occur on a benched <br />l