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1 150.0 150.0 2000.0 40.00 .000 <br />0 1 <br />A critical failure surface searching method, using a random <br />technique for generating CIRCULAR surfaces has been specified. <br />900 trial surfaces will be generated and analyzed. <br />30 Surfaces initiate from each of 30 points equally spaced <br />along the ground surface between x = 300.0 ft <br />and x = 500.0 ft <br />r <br />Each surface terminates between x = 800.0 ft <br />and x = 1200.0 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 />58.0 ft line segments define each trial failure surface. <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 />***************a*********************+******************************a**• <br />-- WARNING -- WARNING -- WARNING -- WARNING -- (# 48) <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 />**********************************************+******r****************** <br />------------------------------------------------------------ <br />USER SELECTED option to maintain strength greater than zero <br />------------------------------------------------------------ <br />Factors of safety have been calculated by the <br />* * * * * SIMPLIFIED BISHOP METHOD * * * <br />