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GP-A. OPT <br />2000 trial surfaces will be generated and analyzed. <br />20 Surfaces initiate from each of 100 points equally spaced <br />along the ground surface between x = 187.0 ft <br />and x = 200.0 ft <br />Each surface terminates between x = 275.0 ft <br />and x = 285.0 ft <br />Unless further limitations were imposed, the minimum elevation <br />at which a surface extends is y = .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 />************************************************************************ <br />-- WARNING -- WARNING -- WARNING -- WARNING -- (# 48) <br />************************************************************************ <br />------------------------------------------------------------ <br />USER SELECTED option to maintain strength greater than zero <br />------------------------------------------------------------ <br />Factors of safety have been calculated by the <br />* * * * * SIMPLIFIED BISHOP METHOD * * * <br />The most critical circular failure surface <br />is specified by 23 coordinate points <br />Point x-surf y-surf <br />No. (ft) (ft) <br />1 188.18 203.39 <br />2 193.18 203.22 <br />3 198.18 203.28 <br /> Page 3