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5OUTH1EQ.OPT <br /> 10 surfaces initiate from each of 200 points equally spaced <br /> along the ground surface between x = 75.0 ft <br /> and x = 175.0 ft <br /> Each surface terminates between x = 325.0 ft <br /> and x = 390.0 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 31 coordinate points <br /> Point x-surf y-surf <br /> No. (ft) (ft) <br /> 1 105.15 104.72 <br /> 2 114.02 103.20 <br /> 3 122.94 102.00 <br /> 4 131.90 101.11 <br /> 5 140.88 100. 54 <br /> 6 149.88 100.28 <br /> 7 158.88 100.33 <br /> 8 167.87 100.70 <br /> 9 176.84 101.38 <br /> 10 185.79 102.38 <br /> 11 194.69 103.69 <br /> 12 203. 54 105.31 <br /> 13 212.33 107.24 <br /> 14 221.05 109.48 <br /> 15 229.69 112.02 <br /> 16 238.23 114.86 <br /> 17 246.66 118.00 <br /> Page 3 <br />