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 3
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: 2.553
There were: 108836 successful analyses from a total of 125001 trial surfaces
16165 analyses terminated due to unacceptable geometry
Critical (minimum) Factor of Safety: 2.11
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 -64.00 8531.67 36.00 8488.00 139.32 8860.95 387.00 2.112 <-- Critical Surface
2 -64.00 8531.67 36.00 8488.00 139.24 8860.76 386.80 2.112
3 -64.00 8531.67 36.00 8488.00 139.16 8860.57 386.59 2.113
4 -64.00 8531.67 36.00 8488.00 139.08 8860.39 386.39 2.113
5 -64.00 8531.67 36.00 8488.00 138.99 8860.20 386.18 2.113
6 -64.00 8531.67 36.00 8488.00 138.91 8860.01 385.98 2.113
7 -64.00 8531.67 36.00 8488.00 138.83 8859.82 385.78 2.113
8 -64.00 8531.67 36.00 8488.00 138.75 8859.63 385.57 2.114
9 -64.00 8531.67 36.00 8488.00 138.66 8859.44 385.37 2.114
10 -64.00 8531.67 36.00 8488.00 138.58 8859.25 385.16 2.114
11 -64.00 8531.67 36.00 8488.00 138.50 8859.06 384.96 2.114
12 -64.00 8531.67 36.00 8488.00 138.42 8858.87 384.76 2.114
13 -64.00 8531.67 36.00 8488.00 138.33 8858.69 384.55 2.114
14 -64.00 8531.67 36.00 8488.00 138.25 8858.50 384.35 2.115
15 -64.00 8531.67 36.00 8488.00 138.17 8858.31 384.14 2.115
16 -64.00 8531.67 36.00 8488.00 138.09 8858.12 383.94 2.115
17 -64.00 8531.67 36.00 8488.00 138.00 8857.93 383.73 2.115
18 -64.00 8531.67 36.00 8488.00 137.92 8857.74 383.53 2.115
19 -64.00 8531.67 36.00 8488.00 137.84 8857.55 383.33 2.115
20 -64.00 8531.67 36.00 8488.00 137.76 8857.36 383.12 2.116
21 -64.00 8531.67 36.00 8488.00 137.67 8857.17 382.92 2.116
22 -64.00 8531.67 36.00 8488.00 137.59 8856.98 382.71 2.116
23 -64.00 8531.67 36.00 8488.00 137.51 8856.80 382.51 2.116
24 -64.00 8531.67 36.00 8488.00 137.43 8856.61 382.31 2.116
25 -64.00 8531.67 36.00 8488.00 137.34 8856.42 382.10 2.117
26 -64.00 8531.67 36.00 8488.00 137.26 8856.23 381.90 2.117
27 -64.00 8531.67 36.00 8488.00 137.18 8856.04 381.69 2.117
28 -64.00 8531.67 36.00 8488.00 137.10 8855.85 381.49 2.117
29 -64.00 8531.67 36.00 8488.00 137.01 8855.66 381.29 2.117
30 -64.00 8531.67 36.00 8488.00 136.93 8855.47 381.08 2.118
31 -64.00 8531.67 36.00 8488.00 136.85 8855.28 380.88 2.118
32 -64.00 8531.67 36.00 8488.00 136.77 8855.09 380.67 2.118
33 -64.00 8531.67 36.00 8488.00 136.68 8854.91 380.47 2.118
34 -64.00 8531.67 36.00 8488.00 136.60 8854.72 380.27 2.118
35 -64.00 8531.67 36.00 8488.00 136.52 8854.53 380.06 2.118
36 -64.00 8531.67 36.00 8488.00 136.44 8854.34 379.86 2.119
37 -64.00 8531.67 36.00 8488.00 136.35 8854.15 379.65 2.119