2019-03-18_PERMIT FILE - M2018016

• Permit No: M2018016
• IBM Index Class Name: PERMIT FILE
• Doc Date: 3/18/2019
• Doc Name: Adequacy Review Response
• From: Greg Lewicki & Assoc.
• To: DRMS
• Type & Sequence: AM1
• Email Name: PSH
• Media Type: D
• Archive: No

RESULTS: Analysis 4
Bishop Simplified Method of Analysis - Circular Failure Surface
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Critical Failure Surface Search using Multiple Circle Generation Techniques
Factor of Safety for initial failure surface approximation: 2.112
There were: 88433 successful analyses from a total of 125001 trial surfaces
36568 analyses terminated due to unacceptable geometry
Critical (minimum) Factor of Safety: 2.00
Results Summary - Lowest 99 Factor of Safety circles
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Circle X-Left Y-Left X-Right Y-Right X-Centre Y-Centre Radius FoS
1 -10.43 8505.21 -2.27 8501.13 166.10 8848.12 385.67 2.000 <-- Critical Surface
2 -10.43 8505.21 -2.27 8501.13 164.73 8845.38 382.61 2.000
3 -10.43 8505.21 -2.27 8501.13 164.82 8845.56 382.82 2.000
4 -10.43 8505.21 -2.27 8501.13 167.56 8851.04 388.94 2.000
5 -13.49 8506.75 -2.27 8501.13 163.85 8847.39 384.04 2.000
6 -10.43 8505.21 -2.27 8501.13 166.28 8848.48 386.08 2.000
7 -10.43 8505.21 -2.27 8501.13 166.37 8848.66 386.29 2.000
8 -10.43 8505.21 -2.27 8501.13 167.47 8850.85 388.73 2.000
9 -22.67 8511.34 -11.45 8505.72 155.76 8854.17 386.49 2.000
10 -50.22 8525.11 -39.00 8519.50 128.58 8868.68 387.31 2.000
11 -10.43 8505.21 -2.27 8501.13 165.19 8846.29 383.63 2.000
12 -16.55 8508.28 -5.33 8502.66 163.34 8854.03 389.76 2.000
13 -41.04 8520.52 -29.82 8514.91 135.48 8859.52 382.20 2.000
14 -10.43 8505.21 -2.27 8501.13 166.19 8848.30 385.88 2.000
15 -10.43 8505.21 -2.27 8501.13 165.00 8845.92 383.22 2.000
16 -10.43 8505.21 -2.27 8501.13 167.65 8851.22 389.14 2.000
17 -50.22 8525.11 -39.00 8519.50 128.76 8869.04 387.71 2.000
18 -22.67 8511.34 -11.45 8505.72 154.67 8851.98 384.04 2.000
19 -50.22 8525.11 -39.00 8519.50 127.11 8865.76 384.04 2.000
20 -22.67 8511.34 -11.45 8505.72 154.57 8851.80 383.84 2.000
21 -22.67 8511.34 -11.45 8505.72 156.04 8854.72 387.10 2.000
22 -10.43 8505.21 -2.27 8501.13 164.91 8845.74 383.02 2.000
23 -10.43 8505.21 -2.27 8501.13 166.47 8848.85 386.49 2.000
24 -50.22 8525.11 -39.00 8519.50 128.48 8868.49 387.10 2.000
25 -41.04 8520.52 -29.82 8514.91 136.39 8861.35 384.24 2.000
26 -41.04 8520.52 -29.82 8514.91 136.48 8861.53 384.45 2.000
27 -50.22 8525.11 -39.00 8519.50 128.21 8867.95 386.49 2.000
28 -22.67 8511.34 -11.45 8505.72 157.59 8857.82 390.57 2.000
29 -41.04 8520.52 -29.82 8514.91 139.04 8866.64 390.16 2.000
30 -10.43 8505.21 -2.27 8501.13 165.46 8846.84 384.24 2.000
31 -13.49 8506.75 -2.27 8501.13 165.22 8850.13 387.10 2.000
32 -50.22 8525.11 -39.00 8519.50 129.49 8870.50 389.35 2.000
33 -22.67 8511.34 -11.45 8505.72 156.13 8854.90 387.31 2.000
34 -22.67 8511.34 -11.45 8505.72 153.84 8850.34 382.20 2.000
35 -47.16 8523.58 -35.94 8517.97 130.91 8865.69 385.67 2.000
36 -41.04 8520.52 -29.82 8514.91 137.94 8864.45 387.71 2.000