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SOUTHEQ.OPT <br />and x = 420.0 ft <br />unless further limitations were imposed, the minimum elevation <br />at which a surface extends is y = 97.0 ft <br />* * * * * DEFAULT SEGMENT LENGTH SELECTED BY XSTABL * * * * * <br />5.0 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 39 coordinate points <br />Point <br />x -surf <br />y -surf <br />No. <br />(ft) <br />(ft) <br />1 <br />206.99 <br />102.33 <br />2 <br />211.87 <br />101.24 <br />3 <br />216.77 <br />100.28 <br />4 <br />221.70 <br />99.44 <br />5 <br />226.65 <br />98.73 <br />6 <br />231.62 <br />98.13 <br />7 <br />236.59 <br />97.66 <br />8 <br />241.58 <br />97.32 <br />9 <br />246.58 <br />97.10 <br />10 <br />251.58 <br />97.00 <br />11 <br />256.58 <br />97.03 <br />12 <br />261.57 <br />97.18 <br />13 <br />266.57 <br />97.46 <br />14 <br />271.55 <br />97.86 <br />15 <br />276.52 <br />98.39 <br />16 <br />281.48 <br />99.03 <br />17 <br />286.42 <br />99.81 <br />18 <br />291.34 <br />100.70 <br />19 <br />296.23 <br />101.72 <br />20 <br />301.10 <br />102.86 <br />21 <br />305.94 <br />104.12 <br />22 <br />310.75 <br />105.50 <br />23 <br />315.52 <br />107.00 <br />24 <br />320.25 <br />108.61 <br />25 <br />324.94 <br />110.35 <br />Page 3 <br />