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Failure Surface(Critical seed,from a previous multiple analysis) <br /> --------------- <br /> Initial circular surface for critical search defined by:XL,XR,R <br /> Intersects: XL: 410.00 YL: 8165.27 XR: 415.08 YR: 8148.06 <br /> Centre: XC: 925.04 YC: 8307.97 Radius: R: 534.44 <br /> Earthquake Force <br /> ---------------- <br /> Pseudo-static earthquake(seismic)coefficient: 0.050 <br /> Variable Restraints <br /> ------------------- <br /> Parameter descriptor: XL XR R <br /> Range of variation: 360.00 350.00 25.00 <br /> Trial positions within range: 25 75 50 <br /> - -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - <br /> 5.2. RESULTS: Analysis 5 - Active Mined Bench Slope <br /> Bishop Simplified Method of Analysis-Circular Failure Surface <br /> --------------------------------------------------------------- <br /> Critical Failure Surface Search using Multiple Circle Generation Techniques <br /> Initial failure surface approximation-Factor of Safety: 0.274 <br /> Analysis Summary <br /> ---------------- <br /> There were: 4401 successful analyses from a total of 93751 trial failure surfaces <br /> 89350 analyses terminated due to unacceptable geometry <br /> Critical(minimum) Factor of Safety: 0.27 <br /> ------------------------------------------ <br /> Results Summary-Lowest 99 Factor of Safety circles <br /> ---------------------------------------------------- <br /> Circle X-Left Y-Left X-Right Y-Right X-Centre Y-Centre Radius FoS <br /> 1 410.00 8165.27 415.08 8148.06 937.03 8311.51 546.94 0.274 <--Critical Surface <br /> 2 410.00 8165.27 415.08 8148.06 936.54 8311.36 546.43 0.274 <br /> 3 410.00 8165.27 415.08 8148.06 936.05 8311.22 545.92 0.274 <br /> 4 410.00 8165.27 415.08 8148.06 935.56 8311.08 545.41 0.274 <br /> 5 410.00 8165.27 415.08 8148.06 935.07 8310.93 544.90 0.274 <br /> 6 410.00 8165.27 415.08 8148.06 934.09 8310.64 543.88 0.274 <br /> 7 410.00 8165.27 415.08 8148.06 934.58 8310.79 544.39 0.274 <br /> 8 410.00 8165.27 415.08 8148.06 933.60 8310.50 543.37 0.274 <br /> 9 410.00 8165.27 415.08 8148.06 933.11 8310.35 542.86 0.274 <br /> 10 410.00 8165.27 415.08 8148.06 932.62 8310.21 542.35 0.274 <br /> 11 410.00 8165.27 415.08 8148.06 932.13 8310.06 541.84 0.274 <br /> YRR Geotech <br /> October 2021 24 Lewicki&Associates <br />