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Point x-water y-water <br /> No. (ft) (ft) <br /> 1 . 00 4721 . 00 <br /> 2 300 . 00 4721 . 00 <br /> A critical failure surface searching method, using a <br /> random <br /> technique for generating CIRCULAR surfaces has been <br /> specified. <br /> 400 trial surfaces will be generated and analyzed. <br /> 20 Surfaces initiate from each of 20 points equally <br /> spaced <br /> along the ground surface between x = 170 . 0 ft <br /> and x = 195 . 0 ft <br /> Each surface terminates between x = 35 . 0 ft <br /> and x = 40 . 0 ft <br /> Unless further limitations were imposed, the minimum <br /> elevation <br /> at which a surface extends is y = 4680 . 0 ft <br /> 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 /> 3 <br />