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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 /> 144 trial surfaces will be generated and analyzed. <br /> 12 Surfaces initiate from each of 12 points equally spaced <br /> along the ground surface between x = 280 .0 ft <br /> and x = 380 .0 ft <br /> Each surface terminates between x = 1 . 0 ft <br /> and x = 100 . 0 ft <br /> Unless further limitations were imposed, the minimum elevation <br /> at which a surface extends is y = . 0 ft <br /> 7 .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 41 coordinate points <br /> Point x-surf y-surf <br /> No. (ft) (ft) <br /> 1 280 . 00 78 . 00 <br /> 2 273 . 17 76 .49 <br />