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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 Mine\mill\mill certification\Slope Stablity\Atlas Pile Lab Scenario 5.gmf <br /> Processed: 13 Nov 2015 13:01:29 <br /> DATA: Analysis 1 - Lab Scenario 5 <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) -Mill tailings <br /> Cohesion Phi UnitWeight Ru <br /> 300.00 30.0 109.90 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 -Mill tailings <br /> 0.00 113.00 126.00 70.00 225.00 61.00 341.00 60.00 560.00 O.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.DO 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 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: 6.56 <br /> There were: 259461 successful analyses from a total of 1000001 trial circles <br /> 740539 analyses terminated due to unacceptable geometry <br /> I analyses that failed to produce a result <br /> Critical (minimum) Factor of Safety: 2.88 <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 /> 1 341.04 59.99 538.59 5.81 501.81 259.43 256.21 2.881 <br /> 2 341.07 59.9E 536.37 6.41 496.82 245.29 242.07 2.881 <br /> 3 341.05 59.99 531.41 7.83 495.81 251.35 246.11 2.905 <br /> 4 341.04 55.99 527.71 8.84 487.73 219.13 223.89 2.910 <br /> 5 341.07 59.9E 526.18 9.27 484.70 221.05 :15.81 2.913 <br /> 6 341.07 59.98 524.24 9.80 489.75 243.27 236.01 2.930 <br /> 7 341.02 59.59 518.86 11.21 402.68 22B.12 219.85 2.948 <br /> 8 341.04 59.99 531.46 7.82 512.9E 313.98 306.72 2.969 <br /> 9 341.06 59.98 511.61 13.24 476.62 220.04 209.75 2.975 <br /> 10 329.25 60.10 540.02 5.91 497.83 276.61 274.39 2.987 <br /> 11 319.96 60.10 539.96 5.49 497.83 274.59 272.37 2.987 <br /> 12 328.88 60.10 540.49 5.35 498.84 280.65 278.43 2.987 <br /> 13 328.1B 60.11 540.54 5.33 49B.84 282.67 280.45 2.987 <br /> 14 329.57 60.10 540.44 5.36 498.84 278.63 276.41 2.988 <br />