2021-07-21_REVISION - M2012032 (2)

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30 492.19 136.34 4.1 6.18 6.19 1 0.00 45.0 14987.56 1678.76 2379.21 0.98 31 498.31 128.00 1.3 6.19 6.19 1 0.00 45.0 14071.65 1793.10 2258.82 0.99 32 504.56 118.40 1.3 6.19 6.19 1 0.00 45.0 13016.55 1849.14 2089.68 0.99 33 510.75 107.86 -1.5 6.19 6.19 1 0.00 45.0 1185B.05 1846.02 1928.66 1.01 34 516.94 96.39 -1.5 6.19 6.19 1 0.00 45.0 10597.31 1786.13 1723.43 1.01 35 523.13 83.80 -4.2 6.17 6.19 1 0.00 45.0 9212.75 1667.16 1521.06 1.03 36 529.30 70.52 -4.2 6.17 6.19 1 0.00 45.0 1753.16 1489.89 1279.74 1.03 37 535.48 56.07 -7.0 6.15 6.19 1 0.00 45.0 6164.20 1254.54 1035.27 1.05 38 541.62 41.05 -7.0 6.15 6.19 1 0.00 45.0 4513.47 961.10 757.76 1.05 39 547.77 24.91 -9.8 6.OB 6.17 1 0.00 45.0 273B.62 608.28 470.95 1.07 40 553.84 8.40 -9.7 6.16 6.25 1 0.00 45.0 923.00 202.64 156.53 1.07 -------- ------- ---------- X-S Area: 4086.09 Path Length: 285.29 x-S Weight: 449111.28 DATA: Analysis 3 - Lab Scenario 1 pt3 Material Properties 0 materials) ------------------- Material: 1 (Mohr-Coulomb Isotropic) - Existing waste rock Cohesion Phi UnitWeight Ru 0.00 45.0 110.00 Auto Material: 2 (Mohr-Coulomb Isotropic) - Mill tailings Cohesion Phi UnitWeight Ru 1730.00 25.0 109.90 Auto Material: 3 (Mohr-Coulomb Isotropic) - Bedrock Cohesion Phi UnitWeight Ru 0.00 50.0 130.00 Auto Water Properties ---------------- Unit weight of water: 62.400 Unit weight of water/medium above ground: 62.400 Material Profiles (3 profiles) ----------------- Profile: 1 (5 points) Material beneath: 2 -Mill tailings O.00 113.00 126.00 70.00 225.00 61.00 341.00 60.00 560.00 C.00 Profile: 2 (5 points) Material beneath: 1 - Existing waste rock 128.10 22.00 183.00 8.00 248.00 4.00 471.00 3.00 560.00 0.00 Profile: 3 (3 points) Material beneath: 3 - Bedrock 0.00 113.00 128.00 22.00 161.00 0.00 Slope Surface (5 points) ------------- 0.00 113.00 126.00 70.00 225.00 61.00 341.00 60.00 560.00 0.00 Phreatic Surface (2 points) ---------------- 0.00 0.00 600.00 0.00 Failure Surface (Critical, from previous analysis) --------------- Initial circular surface for critical search defined by: XC,YC,R Intersects: XL: 341.06 YL: 59.98 XR: 559.97 YR: 0.01 Centre: XC: 510.50 YC: 248.95 Radius: R: 253.81 Variable Restraints ------------------- Parameter descriptor: XC YC R Range of variation: 20.00 20.00 20.00 Trial positions within range: 20 20 20 ------------------------------------------------------------------------------------------------------------------------------------ RESULTS: Analysis 3 - Lab Scenario 1 pt3 Bishop Simplified Method of Analysis -Circular Failure Surface --------------------------------------------------------------- Critical Failure Circle Search using Multiple Circle Generation Techniques Factor of Safety for initial failure circle approximation: 3.20 There were: 4025 successful analyses from a total of 8001 trial circles 3970 analyses terminated due to unacceptable geometry 6 analyses that failed to produce a result Critical (minimum) Factor of Safety: 3.20 Negative normal stresses exist on the base of one or more slices - examine slice data and consult the GALENA help utility Test Factor is less than 0.2 lower limit for one or more slices -examine slice data and consult the GALENA help utility Circle and Results Summary (Lowest 99 Factor of Safety circles) -------------------------- Circle X-Left Y-Left X-Right Y-Right X-Centre Y-Centre Radius FoS 341.06 59.98 559.57 0.01 510.50 248.95 253.81 3.200 2 341.07 59.98 558.55 0.40 507.87 242.10 246.96 3.240 3 327.16 60.12 559.99 0.00 500.50 250.53 257.49 4.315 4 327.57 60.12 559.93 0.02 500.50 249.47 256.44 4.317 5 327.99 60.11 559.88 0.03 500.50 248.42 255.38 4.319