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104TH-72.OPT <br />4.0 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 :_ -S.0 degrees <br />Factors of safety have been calculated by the <br />* * * * * SIMPLIFIED )ANBU METHOD * * * * * <br />The 1 most critical of all the failure surfaces examined <br />are displayed below - the most critical first <br />Failure surface No. 1 speci fied by 27 coordinate points <br />Point x-surf y-surf <br />No. (ft) (ft) <br />1 164.41 100.00 <br />2 168.33 99.19 <br />3 172.27 98.55 <br />4 176.25 98.08 <br />5 180.23 47.77 <br />6 184.23 97.64 <br />7 1$8.23 97.68 <br />8 192.23 97.89 <br />9 196.21 98.26 <br />10 200.17 98.81 <br />11 204.11 99.53 <br />12 208.01 100.41 <br />13 211.87 101.46 <br />14 215.68 102.68 <br />is 219.43 104.05 <br />16 223.13 lOS.s9 <br />17 226.75 107.28 <br />18 230.30 109.12 <br />19 233.77 111.11 <br />20 237.15 113.25 <br />21 240.44 115.53 <br />22 243.62 117.95 <br />23 246.70 120.50 <br />24 249.67 123.19 <br />25 252.52 125.99 <br />26 255.25 128.92 <br />27 266.17 130.00 <br />** Corrected ]ANBU FOS = 1.276 ** (FO factor 1.056) <br />The following is a summary of the TEN most critical surfaces <br />problem Description Hazel 104th Ave with Slurry <br />page 3 <br />