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<br /> A Critical Failure Surface Searching Method, Using A Random <br /> Technique For Generating Sliding Block Surfaces, Has Been <br />' Specified. <br /> The Active And Passive Portions Of The Sliding Surfaces <br /> Are Generated According To The Rankine Theory. <br /> 1000 Trial Surfaces Have Been Generated. <br />' 2 Boxes Specified For Generation Of Central Block Base <br /> Length Of Line Segments For Active And Passive Portions Of <br />' Sliding Block Is 20.0 <br /> Box X-Left Y-Left X-Right Y-Right Height <br />' No. (ft) (ft) (ft) (ft) (ft) <br /> 1 365.50 170.00 432.44 166.08 9.99 <br /> 2 432.45 166.80 495.00 165.00 9.99 <br /> <br /> Following Are Displayed The Ten Most Critical Of The Trial <br /> <br />~ Failure Surfaces Examined. They Are Ordered - Most Critical <br />' First. <br />' * * Safety Factors Are Calculated By The Modified Janbu Method <br />' Failure Surface Specified By 12 Coordinate Points <br />' Point X-Surf Y-Surf <br /> No. (ft) (ft) <br />' 1 366.66 201.64 <br /> 2 383.61 191.85 <br /> 3 400.93 181.85 <br /> 4 418.25 171.85 <br />' 5 432.39 161.20 <br /> 6 470.73 165.32 <br /> 7 474.26 170.00 <br />' 8 479.98 180.99 <br /> 9 489.98 198.31 <br /> 10 491.18 200.39 <br /> 11 500.41 218.13 <br />' 12 501.39 220.00 <br />' *** 3.777 *** <br />