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s <br />i <br />technique for generating CIRCULAR surfaces has been specified. <br />900 trial surfaces will be generated and analyzed. <br />30 Surfaces initiate from each of 30 points equally spaced <br />along the ground surface between x = 330.0 ft <br />and x = 370.0 ft <br />Each surface terminates between x = 460.0 ft <br />and x = 510.0 ft <br />Unless further limitations were imposed, the minimum elevation <br />at which a surface extends is y = .0 ft <br />4.0 ft line segments define each trial failure surface. <br />ANGiJLAR 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 :_ (slope angle - 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 36 coordinate points <br />Point x-surf y-surf <br />No. (ft) (ft) <br />1 350.69 21.38 <br />2 354.16 23.36 <br />3 357.63 25.36 <br />4 361.09 27.37 <br />5 364.53 29.41 <br />