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® A critical failure surface searching method, using a random <br /> technique for generating sliding BLOCK surfaces, has been <br /> specified. <br /> 100 trial surfaces will be generated and analyzed. <br /> 2 boxes specified for generation of central block base <br /> * * * * * DEFAULT SEGMENT LENGTH SELECTED BY XSTABL * * * * * <br /> Length of line segments for active and passive portions of <br /> sliding block is 13.0 ft <br /> Box x-left y-left x-right y-right Width <br /> no. (ft) (ft) (ft) (ft) (ft) <br /> 1 40.0 109.0 150.0 109.2 .5 <br /> 2 200.0 109.3 435.0 110.0 .5 <br /> ************************************************************************ <br /> -- WARNING -- WARNING -- WARNING -- WARNING -- (# 48) <br /> ************************************************************************ <br /> ------------------------------------------------------------ <br /> USER SELECTED option to maintain strength greater than zero <br /> ------------------------------------------------------------ <br /> ************************************************************* <br /> ** Factor of safety calculation for surface # 9 ** <br /> ** failed to converge within FIFTY iterations ** <br /> ** The last calculated value of the FOS was -3.0093 ** <br /> ** This will be ignored for final summary of results ** <br /> ************************************************************* <br /> The trial failure surface in question is <br /> defined by the following 12 coordinate points <br /> Point x-surf y-surf <br /> No. (ft) (ft) <br /> 1 35.33 115.11 <br /> 2 41.95 108.77 <br /> 3 299.19 109.57 <br /> 4 306.54 120.29 <br /> 5 315.59 129.63 <br /> is <br /> 6 320.69 141.58 <br /> 7 327.34 152.76 <br /> 8 327.91 165.74 <br /> 9 328.05 178.74 <br />