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7 .0 ft line segments define each trial failure <br /> surface. <br /> --------------------- <br /> ANGULAR RESTRICTIONS <br /> --------------------- <br /> The first segment of each failure surface will be <br /> inclined <br /> within the angular range defined by <br /> Lower angular limit -45.0 degrees <br /> Upper angular limit -5.0 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 14 coordinate points <br /> Point x-surf y-surf <br /> No. (ft) (ft) <br /> 1 81.32 4808.51 <br /> 2 87.63 4805.49 <br /> 3 94.24 4803 .18 <br /> 4 101.06 4801.60 <br /> 5 108 .01 4800.78 <br /> 6 115.01 4800 .73 <br /> 7 121.98 4801.44 <br /> 8 128.82 4802 .91 <br /> 9 135.46 4805.11 <br /> 10 141.83 4808.03 <br /> 11 147.83 4811.63 <br /> 12 153 .41 4815.86 <br /> 13 158 .49 4820.68 <br /> 14 162 .62 4825.56 <br /> **** Simplified BISHOP FOS = 1.521 **** <br /> 4 <br />