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A -rltiFal failure surface searching Inethol, <br /> random <br /> technique for generating CIRCULAR surfaces has been <br /> specified. <br /> 1-I4 trial surfaces will be generated and analy ea. <br /> 12 Surfa es initiate fr—,m eacil of 12' points equally <br /> sti�a :e�i <br /> along the aroun-i surfa e ._ =tf:ee:: - 221 . 9 ft <br /> Ea l: surface te nates bei_wE,—,r: = 15U . 0 ft <br /> and r: = 170 . 0 ft <br /> I]n1e- fU2 t(lcI i111LltatlCns S..ere impose_l, the' ll11n-I' mum <br /> eIevat1 !n <br /> ar wI11.=E1 =i _..Lta e e}:ten-IS is y = ft <br /> 7 . 0 f- re segments define each trial failure <br /> surface. <br /> --------------------- <br /> :'1 'JL?P PESIPICTIO,IS <br /> ---------------------- <br /> The first segment of ea_-ri be <br /> i2:_12 <br /> within the angular ran:Ie defined l;y <br /> L)wer angular _iegrees <br /> Upper ancalar knit Sl fir: anule - 5 . 0) <br /> degrees <br /> Fa -tors of safety ha-;e }.,een calculated by --he <br /> * * SIMPI IFIFD BISHOP METH�_)D * <br /> 3 <br />