Laserfiche WebLink
GALENA 7.1 Analysis Results Version: 7.10.1.04 Licensee: Greg Lewicki and Associates <br /> Project: Lockhart Mining and Reclamation Slope <br /> File: G:\benl_000\Documents\Modll.gmf Processed: <br /> 04 Mar 2024 16:52:31 <br /> DATA: Analysis 1 - Mining Slope <br /> Material Properties (2 materials) <br /> ------------------- <br /> Material: 1 (Mohr-Coulomb Isotropic) - Sand and gravel, mixed grain size <br /> Cohesion Phi UnitWeight Ru <br /> 0.00 45.0 110.00 Auto <br /> Material: 2 (Mohr-Coulomb Isotropic) - Loose sand, mixed grain size <br /> Cohesion Phi UnitWeight Ru <br /> 0.00 34.0 99.00 Auto <br /> Water Properties <br /> ---------------- <br /> Unit weight of water: 62.400 Unit weight of water/medium above ground: 0.000 <br /> Material Profiles (1 profile) <br /> ----------------- <br /> Profile: 1 (2 points) Material beneath: 1 - Sand and gravel, mixed grain size <br /> 0.00 7475.00 300.00 7475.00 <br /> Slope Surface (4 points) <br /> ------------- <br /> 0.00 7475.00 50.00 7475.00 150.00 7425.00 250.00 7420.00 <br /> Phreatic Surface (2 points) <br /> ---------------- <br /> 0.00 7300.00 300.00 7300.00 <br /> Failure Surface <br /> --------------- <br /> Initial circular surface for critical search defined by: XL,XR,R <br /> Intersects: XL: 49.50 YL: 7475.00 XR: 150.70 YR: 7424.96 <br /> Centre: XC: 136.68 YC: 7523.98 Radius: R: 100.00 <br /> Variable Restraints <br /> ------------------- <br /> Parameter descriptor: XL XR R <br /> Range of variation: 50.00 50.00 5.00 <br /> Trial positions within range: 10 10 5 <br /> - -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- <br /> RESULTS: Analysis 1 - Mining Slope <br /> Bishop Simplified Method of Analysis - Circular Failure Surface <br /> --------------------------------------------------------------- <br /> Critical Failure Surface Search using Multiple Circle Generation Techniques <br /> Factor of Safety for initial failure surface approximation: 2.386 <br /> There were: 501 successful analyses from a total of 501 trial surfaces <br /> Critical (minimum) Factor of Safety: 2.08 <br /> 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 74.50 7462.75 125.70 7437.15 144.12 7537.98 102.50 2.081 <-- <br /> Critical Surface <br /> 2 74.50 7462.75 125.70 7437.15 143.53 7536.82 101.25 2.083 <br /> 3 74.50 7462.75 125.70 7437.15 142.95 7535.65 100.00 2.085 <br /> 4 74.50 7462.75 125.70 7437.15 142.37 7534.48 98.75 2.088 <br /> 5 74.50 7462.75 125.70 7437.15 141.78 7533.31 97.50 2.090 <br /> 6 74.50 7462.75 131.26 7434.37 146.47 7535.74 102.50 2.101 <br /> 7 68.94 7465.53 125.70 7437.15 140.91 7538.52 102.50 2.101 <br /> 8 74.50 7462.75 131.26 7434.37 145.88 7534.56 101.25 2.103 <br /> 9 68.94 7465.53 125.70 7437.15 140.32 7537.34 101.25 2.103 <br /> 10 74.50 7462.75 131.26 7434.37 145.29 7533.38 100.00 2.106 <br /> 11 68.94 7465.53 125.70 7437.15 139.73 7536.16 100.00 2.106 <br /> 12 68.94 7465.53 125.70 7437.15 139.14 7534.98 98.75 2.109 <br />