2013-01-10_REVISION - M1982131

• Permit No: M1982131
• IBM Index Class Name: REVISION
• Doc Date: 1/10/2013
• Doc Name: REVIEW OF SLOPE STABILITY ANALYSIS
• From: DRMS
• To: OPERATOR
• Type & Sequence: TR1
• Email Name: PSH
• Media Type: D
• Archive: No

Galena 5.02 Analysis Results Licensee: Office of Surface Mining
Project: Bucklen Pit
File: D: \Documents and Settings \PSH \My Documents \My Projects \aWeld Co \Bucklen... \Bucklen_Mined Slope_DRMS soil properties.gmf
Processed: 11 Jan 2013 10:28:08
DATA: Analysis 1 - Mined Slope - DRMS Soil Properties
Material Properties (4 materials)
Material: 1
Cohesion
150.00
Material: 2
Cohesion
0.00
Material: 3
Cohesion
0.00
Material: 4
Cohesion
500.00
Water Properties
Unit weight of water: 62.430
Material Profiles (4 profiles)
Profile: 1 (3 points)
0.00 47.00
Profile: 2 (3 points)
0.00 45.00
Profile: 3 (2 points)
0.00 12.50
Profile: 4 (2 points)
0.00 10.00
Slope Surface (4 points)
(Mohr- Coulomb Isotropic)
Phi UnitWeight Ru
28.0 114.00 1.10
(Mohr - Coulomb Isotropic)
Phi UnitWeight Ru
37.0 130.00 1.10
(Mohr - Coulomb Isotropic)
Phi UnitWeight Ru
14.0 124.00 1.10
(Mohr - Coulomb Isotropic)
Phi UnitWeight Ru
22.0 124.00 1.10
0.00 10.00 135.00
Phreatic Surface (4 points)
0.00 10.00 135.00
Failure Surface
Circular surface defined by: XL,XR,R
Intersects: XL: 135.45 YL:
Centre: XC: 142.25 YC:
Distributed Loads (1 load)
Factor of Safety: 0.96
- Overburden Clay
- Sand and Gravel
- Weathered Bedrock
- Claystone Bedrock
Unit weight of water /medium above ground: 62.430
Material beneath: 1 - Overburden Clay
175.00 50.00 400.00 54.50
Material beneath: 2 - Sand and Gravel
173.00 48.00 400.00 52.50
Material beneath: 3 - Weathered Bedrock
400.00 12.50
Material beneath: 4 - Claystone Bedrock
400.00 10.00
10.00
10.00
64.66
Load X -Left Pressure X -Right Pressure
1 195.00 450.0 230.00 450.0
RESULTS: Analysis 1 - Mined Slope - DRMS Soil Properties
Bishop Simplified Method of Analysis - Circular Failure Surface
175.00 50.00
168.00 26.00
10.45 XR: 195.00 YR:
Radius: R: 54.64
400.00 54.50
400.00 52.50
50.40
Negative normal stresses exist on the base of one or more slices - examine slice data and consult the Galena Users' Guide
Slice Geometry and Properties (46 slices)
Slice X -S Base PoreWater Normal Test
X -Left Area Angle Width Length Matl Cohesion Phi Weight Force Stress Factor
1 135.45 0.09 -5.0 0.41 0.41 3 0.00 14.0 11.06 0.00 27.94 1.03
2 135.86 2.20 -5.0 1.64 1.65 3 0.00 14.0 272.27 48.52 168.67 1.03
3 137.50 2.86 -5.0 1.03 1.03 3 0.00 14.0 357.35 79.31 354.89 1.03
4 138.53 4.00 -5.0 1.03 1.03 3 0.00 14.0 505.35 117.00 501.76 1.03
5 139.55 7.07 -0.7 1.37 1.37 3 0.00 14.0 899.03 210.29 656.89 1.00
6 140.92 8.97 -0.7 1.37 1.37 3 0.00 14.0 1146.46 268.66 837.67 1.00
7 142.29 10.88 -0.7 1.37 1.37 3 0.00 14.0 1393.87 327.02 1018.45 1.00
8 143.67 12.68 3.6 1.37 1.37 3 0.00 14.0 1629.09 380.90 1175.07 0.99
9 145.03 14.44 3.6 1.37 1.37 3 0.00 14.0 1858.03 430.30 1340.14 0.99
10 146.40 16.19 3.6 1.37 1.37 3 0.00 14.0 2086.93 479.70 1505.22 0.99
11 147.77 17.74 8.0 1.36 1.37 3 0.00 14.0 2288.62 524.48 1638.93 0.97
12 149.13 19.32 8.0 1.36 1.37 3 0.00 14.0 2496.66 564.65 1787.71 0.97
13 150.49 20.91 8.0 1.36 1.37 3 0.00 14.0 2704.64 604.81 1936.48 0.97
14 151.85 22.12 12.3 1.34 1.37 3 0.00 14.0 2863.72 640.24 2047.20 0.97
15 153.19 23.53 12.3 1.34 1.37 3 0.00 14.0 3048.85 670.93 2179.15 0.97
16 154.53 24.93 12.3 1.34 1.37 3 0.00 14.0 3234.04 701.63 2311.09 0.97
17 155.87 24.68 16.6 1.26 1.32 3 0.00 14.0 3204.38 697.58 2396.28 0.97