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Galena 5.01 Analysis Results Licensee: Office of Surface Mining <br />Project: M2009048 Gunnison River Gravel Pits <br />File: C:\galena files\model files\gunnison river pits.gmf Processed: 17 Aug 2009 16:17:20 <br />DATA: Analysis 1 - Review of generic pit slope provided in Exhibit S to the application <br />Material Properties (4 materials) <br />------------------- <br />Material: 1 (Mohr-Coulomb Isotropic) Overburden <br />Cohesion Phi UnitWeight Ru <br />50.00 28.0 114.00 1.10 <br />Material: 2 (Mohr-Coulomb Isotropic) Sand and Gravel <br />Cohesion Phi UnitWeight Ru <br />0.00 35.0 130.00 1.10 <br />Material: 3 (Mohr-Coulomb Isotropic) Weathered Shale <br />Cohesion Phi UnitWeight Ru <br />0.00 14.0 125.00 1.10 <br />Material: 4 (Mohr-Coulomb Isotropic) Shale <br />Cohesion Phi UnitWeight Ru <br />200.00 32.0 130.00 1.10 <br />Water Properties <br />---------------- <br />Unit weight of water: 62.400 Unit weight of water/medium above ground: 62.400 <br />Material Profiles (4 profiles) <br />----------------- <br />Profile: 1 (2 points) Material beneath: 1 Overburden <br />-10.00 30.00 100.00 30.00 <br />Profile: 2 (2 points) Material beneath: 2 Sand and Gravel <br />-10.00 25.00 100.00 25.00 <br />Profile: 3 (2 points) Material beneath: 3 Weathered Shale <br />-10.00 0.00 100.00 0.00 <br />Profile: 4 (2 points) Material beneath: 4 - Shale <br />-10.00 -3.00 100.00 -3.00 <br />Slope Surface (7 points) <br />------------- <br />-10.00 0.00 10.00 0.00 10.01 30.00 39.82 30.00 39.82 29.70 <br />39.85 30.00 100.00 30.00 <br />Phreatic Surface (4 points) <br />---------------- <br />-10.00 0.00 10.00 0.00 35.00 25.00 100.00 25.00 <br />Failure Surface <br />--------------- <br />Circular surface defined by: XL,XR,R <br />Intersects: XL: 10.00 YL: 0.00 XR: 40.00 YR: 30.00 <br />Centre: XC: -29.54 YC: 69.54 Radius: R: 80.00 <br />Tension Crack <br />------------- <br />Automatically-generated crack depth: 0.30 <br />------------------------------------------------------------------------------------------------------------------------------ <br />RESULTS: Analysis 1 - Review of generic pit slope provided in Exhibit S to the application <br />Bishop Simplified Method of Analysis - Circular Failure Surface <br />--------------------------------------------------------------- <br />Factor of Safety: 0.78 <br />Slice Geometry and Properties (37 slices) <br />----------------------------- <br />Slice X-S ------------------- Base -------------------- PoreWater Normal Test <br />X-Left Area Angle Width Length Matl Cohesion Phi Weight Force Stress Factor <br />1 10.01 28.65 30.4 0.96 1.12 2 0.00 35.0 3647.42 14.17 2477.40 0.76 <br />2 10.97 28.39 30.4 0.97 1.13 2 0.00 35.0 3613.12 42.51 2437.64 0.76 <br />3 11.95 27.35 32.1 0.96 1.13 2 0.00 35.0 3478.63 69.30 2344.05 0.75 <br />4 12.91 26.77 32.1 0.96 1.13 2 0.00 35.0 3403.98 94.55 2302.27 0.75 <br />5 13.86 25.71 33.7 0.94 1.13 2 0.00 35.0 3267.52 118.25 2210.31 0.75 <br />6 14.80 25.12 33.7 0.94 1.13 2 0.00 35.0 3190.94 140.38 2166.77 0.75 <br />7 15.74 24.05 35.3 0.92 1.13 2 0.00 35.0 3052.88 160.95 2076.36 0.75 <br />8 16.67 23.45 35.3 0.92 1.13 2 0.00 35.0 2974.61 179.96 2031.10 0.75 <br />9 17.59 22.37 36.9 0.90 1.13 2 0.00 35.0 2835.82 197.40 1942.19 0.75 <br />10 18.49 21.76 36.9 0.90 1.13 2 0.00 35.0 2756.11 213.26 1895.25 0.75 <br />11 19.40 20.68 38.5 0.88 1.13 2 0.00 35.0 2617.12 227.54 1807.78 0.74 <br />12 20.28 20.05 38.5 0.88 1.13 2 0.00 35.0 2536.23 240.25 1759.20 0.74 <br />13 21.16 18.98 40.1 0.86 1.13 2 0.00 35.0 2397.72 251.37 1673.16 0.74 <br />14 22.03 18.35 40.1 0.86 1.13 2 0.00 35.0 2315.93 260.90 1623.00 0.74 <br />15 22.89 17.28 41.8 0.84 1.13 2 0.00 35.0 2178.72 268.86 1538.35 0.74 <br />16 23.74 16.64 41.8 0.84 1.13 2 0.00 35.0 2096.25 275.22 1486.65 0.74 <br />17 24.58 15.59 43.4 0.82 1.13 2 0.00 35.0 1960.91 279.99 1403.41 0.74 <br />18 25.40 14.95 43.4 0.82 1.13 2 0.00 35.0 1878.05 283.17 1350.22 0.74 <br />19 26.22 13.92 45.0 0.80 1.13 2 0.00 35.0 1745.39 284.77 1268.39 0.74