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No. (ft) (ft) (psf) (deg) <br /> 1 5 .0 45 . 0 2000. 0 90 . 0 <br /> 2 90 .0 115 . 0 250 . 0 90 . 0 <br /> NOTE - Intensity is specified as a uniformly distributed <br /> force acting on a HORIZONTALLY projected surface. <br /> A critical failure surface searching method, using a random <br /> technique for generating CIRCULAR surfaces has been specified. <br /> 169 trial surfaces will be generated and analyzed. <br /> 13 Surfaces initiate from each of 13 points equally spaced <br /> along the ground surface between x = 260 . 0 ft <br /> and x = 400 . 0 ft <br /> Each surface terminates between x = . 0 ft <br /> and x = 140 . 0 ft <br /> Unless further limitations were imposed, the minimum elevation <br /> at which a surface extends is y = . 0 ft <br /> 8. 0 ft line segments define each trial failure surface. <br /> -- - - - -- - ------------- <br /> ANGULAR RESTRICTIONS <br /> --------------------- <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 />