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® No. (psf) (psf) <br /> 1 .0 .0 <br /> 2 6500.0 2112.0 <br /> 3 16000.0 3787.0 <br /> 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 /> 6 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 29.0 ft <br /> Box x-left y-left x-right y-right Width <br /> no. (ft) (ft) (ft) (ft) (ft) <br /> 1 100.0 109.0 150.0 109.0 .5 <br /> 2 250.0 109.0 290.0 109.0 .5 <br /> 3 291.0 109.0 390.0 134 .0 .5 <br /> 4 391.0 134.0 420.0 134 .0 .5 <br /> 5 421.0 134.0 470.0 139.0 .5 <br /> 6 471.0 139.0 565.0 149.0 .5 <br /> ************************************************************* <br /> ** Factor of safety calculation for surface # 7 ** <br /> ** failed to converge within FIFTY iterations ** <br /> ** ** <br /> ** The last calculated value of the FOS was -.2279 ** <br /> ** This will be ignored for final summary of results ** <br /> ************************************************************* <br /> The trial failure surface in question is <br /> defined by the following 13 coordinate points <br /> Point x-surf y-surf <br /> No. (ft) (ft) <br /> 1 85.14 126.81 <br /> 2 87.13 125.27 <br /> 3 110.98 108.77 <br /> 4 278.01 109.23 <br /> 5 326.06 117.76 <br /> 6 393.03 134 .09 <br />