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415.86 8140.27 461.90 8140.27 464.40 8115.27 510.44 8115.27 512.94 8090.27 <br /> 558.98 8090.27 561.48 8065.27 607.53 8065.27 610.03 8040.27 656.07 8040.27 <br /> 658.57 8015.27 704.61 8015.27 707.11 7990.27 753.15 7990.27 755.65 7965.27 <br /> 801.69 7965.27 804.19 7940.27 850.24 7940.27 852.74 7915.27 898.78 7915.27 <br /> 901.28 7890.27 947.32 7890.27 949.82 7865.27 995.86 7865.27 997.39 7850.00 <br /> 1250.86 7850.00 <br /> Slope Surface (4 points) <br /> ------------- <br /> 0.00 8326.88 73.56 8340.27 1025.52 7850.00 1250.86 7850.00 <br /> Phreatic Surface (2 points) <br /> ---------------- <br /> 0.00 7800.00 450.00 7800.00 <br /> Failure Surface <br /> --------------- <br /> Initial circular surface for critical search defined by: XL,XR,R <br /> Intersects: XL: 364.00 YL: 8190.69 XR: 536.00 YR: 8102.11 <br /> Centre: XC: 674.60 YC: 8582.51 Radius: R: 500.00 <br /> Variable Restraints <br /> ------------------- <br /> Parameter descriptor: XL XR R <br /> Range of variation: 150.00 150.00 25.00 <br /> Trial positions within range: 25 75 50 <br /> - -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - <br /> RESULTS: Analysis 5 - Mining complete to final bedrock bottom <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: 247.466 <br /> Analysis Summary <br /> There were: 93751 successful analyses from a total of 93751 trial failure surfaces <br /> Critical (minimum) Factor of Safety: 1.94 <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 /> 1 439.00 8152.06 461.00 8140.73 677.80 8588.74 497.70 1.942 <-- Critical Surface <br /> 2 439.00 8152.06 461.00 8140.73 681.54 8596.00 505.87 1.942 <br /> 3 439.00 8152.06 461.00 8140.73 682.01 8596.90 506.89 1.942 <br /> 4 439.00 8152.06 461.00 8140.73 680.61 8594.18 503.83 1.942 <br />