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12 Surfaces initiate from each of 50 points equally spaced <br />along the ground surface between x = 39.0 ft <br />and x = 89.0 ft <br />Each surface terminates between x = 155.0 ft <br />and x = 180.0 ft <br />Unless further limitations were imposed, the minimum elevation <br />at which a surface extends is y = .0 ft <br />* * * * * DEFAULT SEGMENT LENGTH SELECTED BY XSTABL * * <br />7.0 ft line segments define each trial failure aurface. <br />ANGULAR 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 />*#***************k*#*k**********k**kk*******##kk*k******##k********##*** <br />-- WARNING -- WARNING -- WARNING -- WARNING -- (# 48) <br />*#********#***kk***#**********k*kkk*********#k*k********k##****k*k*##**k <br />Negative effective stresses were calculated at the base of a slice. <br />This warning is usually reported for cases where slices have low self <br />weight and a relatively high "c" shear strength parameter. In such <br />cases, this effect can only be eliminated by reducing the "c" value. <br />*#**k**k*******##*#**###*******#****#***k***#**#*kkk************k******* <br />USER SELECTED option to maintain strength greater than zero <br />Factors of safety have been calculated by the <br />* * * * * SIMPLIFIED BISHOP METHOD * * * * * <br />The most critical circular failure surface <br />