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GALENA 6.10 Analysis Results Licensee: Greg Lewicki and Associates <br /> Project: Ouray Silver Mine - Atlas Waste Pile <br /> File: D:\Dropbox\Revenue Hine\mill\mill certification\Slope Stablity\Atlas Pile Lab Scenario 3.gmf <br /> Processed: 13 Nov 2015 13:13:24 <br /> DATA: Analysis 1 - Lab Scenario 3 <br /> Material Properties (3 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) - Hill tailings <br /> Cohesion Phi UnitWeight Ru <br /> 1320.00 35.0 109.90 Auto <br /> Material: 3 (Mohr-Coulomb Isotropic) - Bedrock <br /> Cohesion Phi UnitWeight Ru <br /> 0.00 50.0 130.00 Auto <br /> Water Properties <br /> ---------------- <br /> Unit weight of water: 62.400 Unit weight of water/medium above ground: 62.400 <br /> Material Profiles (3 profiles) <br /> ----------------- <br /> Profile: 1 (5 points) Material beneath: 2 - Hill tailings <br /> 0.00 11330 126.00 70.00 225.00 61.00 341.00 60.00 560.00 0.00 <br /> Profile: 2 (5 points) Material beneath: 1 - Existing waste rock <br /> 128.00 22.00 183.00 8.00 248.00 4.00 471.00 3.00 560.00 0.00 <br /> Profile: 3 (3 points) Material beneath: 3 - Bedrock <br /> 0.00 113.00 128.00 22.00 161.00 0.00 <br /> Slope Surface (5 points) <br /> ------------- <br /> 0.00 113.00 126.00 70.00 225.00 61.00 341.00 60.00 560.00 0.00 <br /> Phreatic Surface (2 points) <br /> ---------------- <br /> 0.00 0.00 600.00 0.00 <br /> Failure Surface <br /> --------------- <br /> Initial circular surface for critical search defined by: XC,YC,R <br /> Intersects: XL: 364.56 YL: 53.54 XR: 443.13 YR: 32.02 <br /> Centre: XC: 465.00 YC: 266.00 Radius: R: 235.00 <br /> Variable Restraints <br /> ------------------- <br /> Parameter descriptor: KC YC R <br /> Range of variation: 100.00 100.00 200.00 <br /> Trial positions within range: 100 100 100 <br /> ------------------------------------------------------------------------------------------------------------------------------------ <br /> RESULTS: Analysis 1 - Lab Scenario 3 <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: 22.06 <br /> There were: 259408 successful analyses from a total of 1000001 trial circles <br /> 740539 analyses terminated due to unacceptable geometry <br /> 54 analyses that failed to produce a result <br /> Critical (minimum; Factor of Safety: 3.97 <br /> Negative normal stresses exist on the base of one or more slices - examine slice data and consult the GALENA Help utility <br /> Test Factor is less than 0.2 lower limit for one or more slices - examine slice data and consult the GALENA Help utility <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 /> 1 341.00 60.00 557.46 0.69 505.91 237.21 242.07 3.961 <br /> 2 341.04 59.99 552.66 2.01 500.86 228.12 231.97 4.088 <br /> 3 341.03 59.99 552.45 2.07 507.93 254.38 256.21 4.194 <br /> 4 315.48 6C.22 559.85 0.04 483.69 211.01 229.95 4.225 <br /> 5 32D.37 60.18 559.72 0.08 486.72 216.00 227.93 4.226 <br /> 6 341.01 60.00 550.94 2.48 504.90 246.30 248.13 4.227 <br /> 7 319.49 60.19 559.90 0.03 406.72 218.02 229.95 4.227 <br /> 8 341.08 59.98 549.36 2.92 501.87 238.22 240.05 4.228 <br /> 9 311.48 60.25 559.73 0.07 480.66 216.00 229.95 4.233 <br /> 10 31D.59 6C.26 559.93 0.02 480.66 218.02 231.97 4.235 <br /> 11 319.35 60.19 559.16 0.23 485.71 216.00 227.93 4.237 <br /> 12 314.46 60.23 559.28 0.20 482.68 217.01 229.95 4.238 <br /> 13 318.47 60.19 559.34 0.18 485.71 218.02 229.95 4.238 <br /> 14 317.60 60.20 559.53 0.13 485.71 220.04 231.97 4.239 <br />