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RANK-A.OPT <br />Unless further limitations were imposed, the minimum elevation <br />at which a surface extends is y = 50.0 ft <br />* * * * * DEFAULT SEGMENT LENGTH SELECTED BY XSTABL <br />9.0 ft line segments define each trial failure surface. <br />ANGULAR RESTRICTIONS <br />The first segment of each failure surface will be inclined <br />within the angular range defined by <br />Lower angular limit :_ -45.0 degrees <br />Upper angular limit :_ -1.0 degrees <br />Factors of safety have been calculated by the <br />* * * * * SIMPLIFIED BISHOP METHOD <br />The most critical circular failure surface <br />is specified by 21 coordinate points <br />Point x-surf y-surf <br />No. (ft) (ft) <br />1 187.09 109.26 <br />2 191.03 103.96 <br />3 195.03 103.89 <br />4 199.03 104.06 <br />5 203.01 109.97 <br />6 206.95 105.11 <br />7 210.86 105.99 <br />8 214.70 107.09 <br />9 218.97 108.43 <br />10 222.16 109.98 <br />11 225.75 111.75 <br />12 229.22 113.73 <br />13 232.58 115.91 <br />19 235.79 116.28 <br />15 238.87 120.85 <br />16 241.78 123.58 <br />17 299.53 126.49 <br />18 247.10 129.56 <br />19 299.98 132.77 <br />20 251.67 136.12 <br />21 252.37 137.39 <br />**** Simplified BISHOP FOS = 1.278 **** <br />Page 3 <br />