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STHIAWE.OPT <br />technique for generating CIRCULAR surfaces has been specified. <br />2000 trial surfaces will be generated and analyzed. <br />10 Surfaces initiate from each of 200 points equally spaced <br />along the ground surface between x = 234.0 ft <br />and x = 234.5 ft <br />Each surface terminates between x = 330.0 ft <br />and x = 400.0 ft <br />Unless further limitations were imposed, the minimum elevation <br />at which a surface extends is y = 90.0 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 18 coordinate points <br />Point x-surf y-surf <br />No. (ft) (ft) <br />1 234.00 103.00 <br />2 242.95 102.09 <br />3 251.95 102.03 <br />4 260.92 102.81 <br />5 269.77 104.43 <br />6 278.43 106.88 <br />7 286.83 110.12 <br />8 294.88 114.14 <br />9 302.52 118.90 <br />10 309.68 124.35 <br />11 316.30 130.45 <br />12 322.31 137.15 <br /> Page 3