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GALENA 6.10 Analysis Results Licensee: Greg Lewicki and Associates <br /> Project: Ouray Silver Mine - Revenue Waste Pile <br /> File: D:\Dropbox\Revenue Mine\mill\mill certification\Slope Stablity\Rev Pile Lab Scenario 5.gmf <br /> Processed: 13 Nov 2015 10:39:52 <br /> DATA: Analysis 1 - Lab Scenario 5 <br /> Material Properties (2 materials) <br /> ------------------- <br /> Material: 1 (Mohr-Coulomb Isotropic) - Existing waste rock <br /> Cohesion Phi UnitWeight Ru <br /> 0.00 45.0 110.00 Auto <br /> Material: 2 (Mohr-Coulomb Isotropic) - Mill tailings <br /> Cohesion Phi UnitWeight Ru <br /> 300.00 30.0 109.90 Auto <br /> Water Properties <br /> ---------------- <br /> Unit weight of water: 62.400 Unit weight of water/medium above ground: 62.400 <br /> Material Profiles (2 profiles) <br /> ----------------- <br /> Profile: 1 (4 points) Material beneath: 1 - Existing waste rock <br /> 0.00 0.00 0.00 40.00 316.00 38.00 430.00 0.00 <br /> Profile: 2 (4 points) Material beneath: 2 - Mill tailings <br /> 0.00 50.00 279.00 50.00 316.00 38.00 0.00 40.00 <br /> Slope Surface (4 points) <br /> ------------- <br /> 0.00 50.00 279.00 50.00 316.00 38.00 430.00 0.00 <br /> Phreatic Surface (2 points) <br /> ---------------- <br /> 0.00 0.00 500.00 0.00 <br /> Failure Surface <br /> --------------- <br /> Initial circular surface for critical search defined by: XC,YC,R <br /> Intersects: XL: 265.00 YL: 50.00 XR: 337.61 YR: 30.80 <br /> Centre: XC: 325.00 YC: 130.00 Radius: R: 100.00 <br /> Variable Restraints <br /> ------------------- <br /> Parameter descriptor: XC YC R <br /> Range of variation: 100.00 100.00 100.00 <br /> Trial positions within range: 20 20 20 <br /> ------------------------------------------------------------------------------------------------------------------------------------ <br /> RESULTS: Analysis 1 - Lab Scenario 5 <br /> Bishop Simplified Method of Analysis - Circular Failure Surface <br /> --------------------------------------------------------------- <br /> Critical Failure Circle Search using Multiple Circle Generation Techniques <br /> Factor of Safety for initial failure circle approximation: 3.59 <br /> There were: 4178 successful analyses from a total of 8001 trial circles <br /> 3823 analyses terminated due to unacceptable geometry <br /> Critical (minimum) Factor of Safety: 3.00 <br /> Circle and 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 /> 1 339.61 30.13 344.97 28.34 369.74 111.58 86.84 3.001 <br /> 2 323.82 35.39 329.18 33.61 353.95 116.84 86.84 3.001 <br /> 3 328.25 33.92 334.22 31.93 348.68 85.26 55.26 3.004 <br /> 4 344.04 28.65 350.01 26.66 364.47 80.00 55.26 3.004 <br /> 5 328.19 33.94 343.75 28.75 375.00 148.42 123.68 3.006 <br /> 6 317.69 37.44 332.15 32.62 353.95 122.11 92.11 3.009 <br /> 7 333.48 32.17 347.94 27.35 369.74 116.84 92.11 3.009 <br /> 8 323.19 35.60 345.60 28.13 375.00 153.68 128.95 3.011 <br /> 9 339.20 30.27 351.70 26.10 364.47 85.26 60.53 3.016 <br /> 10 323.41 35.53 335.91 31.36 348.68 90.53 60.53 3.016 <br /> 11 329.01 33.66 349.25 26.92 369.74 122.11 97.37 3.016 <br /> 12 318.83 37.06 346.80 27.73 375.00 158.95 134.21 3.016 <br /> 13 325.00 35.00 350.10 26.63 369.74 127.37 102.63 3.022 <br /> 14 335.25 31.58 352.48 25.84 364.47 90.53 65.79 3.026 <br /> 15 319.46 36.85 336.70 31.10 348.68 95.79 65.79 3.026 <br /> 16 321.22 36.26 350.72 26.43 369.74 132.63 107.89 3.028 <br /> 17 317.58 37.47 351.21 26.26 369.74 137.89 113.16 3.033 <br /> 18 331.59 32.80 352.98 25.67 364.47 95.79 71.05 3.034 <br /> 19 328.08 33.97 353.34 25.55 364.47 101.05 76.32 3.041 <br /> 20 324.65 35.12 353.61 25.46 364.47 106.32 81.58 3.048 <br /> 21 321.28 36.24 353.82 25.39 364.47 111.58 86.84 3.053 <br /> 22 317.95 37.35 354.00 25.33 364.47 116.84 92.11 3.058 <br />