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RANK-BEQ.OPT <br />technique for generating CIRCULAR surfaces has been specified. <br />1000 trial surfaces will be generated and analyzed. <br />10 Surfaces initiate from each of 100 points equally spaced <br />along the ground surface between x = 171.0 ft <br />and x = 172.2 ft <br />Each surface terminates between x = 235.0 ft <br />and x = 295.0 ft <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 />4.0 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 22 coordinate points <br />Point x-surf y-surf <br />No. (ft) (ft) <br />1 172.01 103.17 <br />2 176.00 103.06 <br />3 180.00 103.16 <br />9 183.99 103.95 <br />5 187.96 103.93 <br />6 191.90 109.61 <br />7 195.81 105.49 <br />8 199.66 106.56 <br />9 203.46 107.82 <br />10 207.19 109.26 <br />11 210.85 110.88 <br />12 214.92 112.69 <br />13 217.89 119.66 <br />19 221.27 116.81 <br />15 229.53 119.12 <br /> Page 3 <br />