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3.96 6128.17 133.56 6161.81 200.00 6170.00 231.00 6181.00 280.00 <br /> 6183.00 <br /> 326.41 6209.00 450.00 6246.90 725.87 6385.50 743.00 6386.37 <br /> Profile: 3 (4 points) Material beneath: 3 - Shale <br /> 5.45 6118.28 217.46 6162.90 438.00 6235.30 743.00 6386.40 <br /> Slope Surface (10 points) <br /> ------------- <br /> 0.00 6147.96 184.00 6190.60 420.00 6254.00 489.00 6300.00 514.99 <br /> 6300.00 <br /> 589.68 6342.00 628.82 6361.26 678.13 6383.43 725.87 6385.00 743.00 <br /> 6386.00 <br /> Phreatic Surface (2 points) <br /> ---------------- <br /> 0.00 6106.00 759.00 6106.00 <br /> Failure Surface (Critical, from previous analysis) <br /> --------------- <br /> Initial circular surface for critical search defined by: XL,XR,R <br /> Intersects: XL: 397.37 YL: 6247.92 XR: 676.68 YR: 6382.78 <br /> Centre: XC: 354.72 YC: 6692.94 Radius: R: 447.06 <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: 268.00 371.00 25.00 <br /> Trial positions within range: 20 20 18 <br /> - -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - <br /> RESULTS: Analysis 4 - Zone 3B <br /> Bishop Simplified Method of Analysis - Circular Failure Surface <br /> --------------------------------------------------------------- <br /> Critical Failure Surface Search using Multiple Circle Generation Techniques <br /> Factor of Safety for initial failure surface approximation: 1.099 <br /> There were: 3403 successful analyses from a total of 7201 trial surfaces <br /> 3798 analyses terminated due to unacceptable geometry <br /> Critical (minimum) Factor of Safety: 1.10 <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 /> 1 397.37 6247.92 676.68 6382.78 354.72 6692.94 447.06 1.099 <-- Critical <br /> Surface <br /> 2 376.21 6242.24 666.92 6378.39 345.60 6686.03 444.85 1.108 <br /> 3 376.21 6242.24 666.92 6378.39 344.93 6687.46 446.32 1.111 <br /> 4 376.21 6242.24 666.92 6378.39 344.26 6688.89 447.79 1.113 <br />