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30 491.66 152.85 2.9 6.23 6.24 1 0.00 45.0 16803.94 2597.50 2670.37 0.99 <br /> 31 497.89 143.33 -0.2 6.24 6.24 1 0.00 45.0 '5757.24 2655.10 2528.86 1.00 <br /> 32 504.12 132.55 -0.2 6.24 6.24 1 0.00 45.0 4572.23 2647.03 2338.66 1.00 <br /> 33 510.36 120.52 -3.3 6.22 6.24 1 0.00 45.D 13250.12 2573.33 2153.23 1.02 <br /> 34 516.58 107.68 -3.3 6.22 6.24 1 0.00 45.0 11838.47 2433.98 1923.43 1.02 <br /> 35 522.01 93.38 -6.4 6.2D 6.24 1 0.00 45.D 1026E.81 2229.20 1693.64 1.03 <br /> 36 529.00 78.56 -6.4 6.2D 6.24 1 0.00 45.0 8637.20 1958.90 1424.43 1.03 <br /> 37 535.20 62.27 -9.5 6.15 6.24 1 0.00 45.0 6846.07 1623.72 1149.74 1.D6 <br /> 38 541.35 45.58 -9.5 6.15 6.24 1 0.00 45.0 5011.30 1223.43 841.36 1.D6 <br /> 39 547.50 27.01 -12.6 5.88 6.03 1 0.00 45.0 2969.71 741.58 52E.94 1.08 <br /> 40 553.38 9.83 -12.6 6.29 6.44 1 0.00 45.0 1080.63 246.16 179.64 1.08 <br /> -------- ------- ---------- <br /> X-S Area: 4552.35 Path Length: 286.60 X-S Weight: 500377.06 <br /> DATA: Analysis 3 - Lab Scenario 4 pt3 <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 /> 2080.00 35.0 109.90 Auto <br /> Material: 3 (Mohr-Coulomb Isotropic) - Bedrock <br /> Cohesion Phi UnitWeight Ru <br /> 0.00 50.0 130.OD 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 0.00 <br /> Profile: 2 (5 points) Material beneath: 1 - Existing waste rock <br /> 128.0D 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 /> O.OD 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 (Critical, from previous analysis) <br /> --------------- <br /> Initial circular surface for critical search defined by: XC,YC,R <br /> Intersects: XL: 341.07 YL: 59.90 XR: 559.67 YR: 0.09 <br /> Centre: XC: 503.36 YC: 223.44 Radius: R: 230.34 <br /> Variable Restraints <br /> ------------------- <br /> Parameter descriptor: XC YC R <br /> Range of variation: 20.00 20.00 20.00 <br /> Trial positions within range: 20 20 20 <br /> ------------------------------------------------------------------------------------------------------------------------------------ <br /> RESULTS: Analysis 3 -Lab Scenario 4 pt3 <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: 4.08 <br /> There were: 4095 successful analyses from a total of 8001 trial circles <br /> 3906 analyses terminated due to unacceptable geometry <br /> Critical (minimum) Factor of Safety: 4.08 <br /> Negative normal stresses eicist 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 /> 1 341.07 59.98 559.67 0.09 503.36 223.44 230.34 4.076 <br /> 2 341.02 59.99 553.67 1.73 499.67 221.86 226.65 4.328 <br /> 3 341.07 59.98 553.60 1.15 502.83 233.44 237.18 4.365 <br /> 4 341.05 59.99 552.39 2.09 500.73 228.17 231.91 4.402 <br /> 5 341.06 59.98 551.14 2.43 498.62 222.91 226.65 4.424 <br /> 6 329.86 60.10 559.98 0.00 493.36 215.54 225.60 4.767 <br />