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E IWorkOropbox(GLA)IRobinsonsORMS11 5 to 1 FOS Wednesday,December 12,2018 9 36 AM <br /> 6930.00 <br /> Slope Surface (4 points) <br /> ------------- <br /> 0.00 6960.00 100.00 6960.00 145.00 6930.00 200.00 <br /> 6930.00 <br /> Phreatic Surface (2 points) <br /> ---------------- <br /> 0.00 6828.00 200.00 6828.00 <br /> Piezometric Surfaces (1 surface) <br /> -------------------- <br /> Failure Surface (Critical, from previous analysis) <br /> --------------- <br /> Initial circular surface for critical search defined by: XL,XR,R <br /> Intersects: XL: 102.00 YL: 6958.67 XR: 128.00 YR: 6941.33 <br /> Centre: XC: 183.79 YC: 7053.19 Radius: R: 125.00 <br /> Variable Restraints <br /> ------------------- <br /> Parameter descriptor: XL XR R <br /> Range of variation: 20.00 20.00 20.00 <br /> Trial positions within range: 20 20 20 <br /> - -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> -- -- -- -- -- -- -- -- -- - <br /> RESULTS: Analysis 2 - 1 .5H:1V Highwall Stability <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: 1.513 <br /> There were: 8001 successful analyses from a total of 8001 trial surfaces <br /> Critical (minimum) Factor of Safety: 1.50 <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 <br /> FoS <br /> 1 112.00 6952.00 118.00 6948.00 185.77 7056.15 127.63 <br /> 1.500 <-- Critical Surface <br /> 2 112.00 6952.00 118.00 6948.00 188. 69 7060.53 132.89 <br /> 1.500 <br /> 3 112.00 6952.00 118.00 6948.00 189.27 7061.41 133.95 <br /> 1.500 <br /> 4 112.00 6952.00 118.00 6948.00 187.52 7058 .78 130.79 <br /> 1.500 <br /> 5 112.00 6952.00 118.00 6948.00 184 . 60 7054 .40 125.53 <br /> 1.500 <br /> 6 112.00 6952.00 118.00 6948.00 188.11 7059.66 131.84 <br /> 1.500 <br /> 7 112.00 6952.00 118.00 6948.00 183.43 7052. 65 123.42 <br /> 1.500 <br /> 8 112.00 6952.00 118.00 6948.00 185.18 7055.28 126.58 <br /> 1.500 <br /> 9 112.00 6952 .00 118.00 6948.00 182.85 7051.77 122.37 <br /> 1.500 <br /> 10 112.00 6952.00 118.00 6948.00 189.86 7062.29 135.00 <br /> 1.500 <br /> -7- <br />