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Failure Surface <br /> --------------- <br /> Initial circular surface for critical search defined by: XL,XR,R <br /> Intersects: XL: -50.00 YL: 6369.00 XR: -18.00 YR: <br /> 6355.80 <br /> Centre: XC: -24.66 YC: 6385.05 Radius: R: <br /> 30.00 <br /> Variable Restraints <br /> ------------------- <br /> Parameter descriptor: XL XR R <br /> Range of variation: 13.00 13.00 10.00 <br /> Trial positions within range: 13 10 10 <br /> - -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> -- -- -- -- -- -- -- -- -- -- -- -- - <br /> RESULTS: Analysis 1 - Station 8+80 <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: 1.880 <br /> There were: 1204 successful analyses from a total of 1301 trial surfaces <br /> 97 analyses terminated due to unacceptable geometry <br /> Critical (minimum) Factor of Safety: 1.35 <br /> Results Summary - Lowest 99 Factor of Safety circles <br /> ---------------------------------------------------- <br /> Circle X-Left Y-Left X-Right Y-Right X-Centre Y-Centre <br /> Radius FoS <br /> 1 -43.50 6369.00 -20.17 6357.10 -17.09 6391.96 <br /> 35.00 1.345 <-- Critical Surface <br /> 2 -43.50 6369.00 -21.61 6357.97 -17.80 6392.76 <br /> 35.00 1.347 <br /> 3 -43.50 6369.00 -20.17 6357.10 -17.63 6390.89 <br /> 33.89 1.352 <br /> 4 -43.50 6369.00 -18.72 6356.23 -16.41 6391.16 <br /> 35.00 1.353 <br /> 5 -43.50 6369.00 -21.61 6357.97 -18.33 6391.70 <br /> 33.89 1.353 <br /> 6 -43.50 6369.00 -23.06 6358.83 -18.55 6393.54 <br /> 35.00 1.353 <br /> 7 -43.50 6369.00 -23.06 6358.83 -19.07 6392.49 <br /> 33.89 1.358 <br />