2023-01-10_PERMIT FILE - M2023001 ‎(25)‎

• Permit No: M2023001
• IBM Index Class Name: Permit File
• Doc Date: 1/10/2023
• Doc Name Note: Appendix C - Stability Analysis Data
• Doc Name: Application
• From: J-2 Contracting Company
• To: DRMS
• Email Name: PSH
• Email Name: JLE
• Media Type: D
• Archive: No

Sunset Case 1 to Bottom EQ.gar
0.00 4563.30 61.40 4563.30 245.70 4574.10 248.70 4621.00 400.00 4621.00
Failure Surface
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Initial circular surface for critical search defined by: XL,XR,R
Intersects: XL: 61.40 YL: 4563.30 XR: 389.00 YR: 4653.50
Centre: XC: 72.44 YC: 5163.20 Radius: R: 600.00
Earthquake Force
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Pseudo-static earthquake (seismic) coefficient: 0.070
Variable Restraints
-------------------
Parameter descriptor: XL XR R
Range of variation: 10.00 10.00 100.00
Trial positions within range: 20 20 50
- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -
RESULTS: Analysis 1 - Case 1 - To Bottom - EQ
Bishop Simplified Method of Analysis - Circular Failure Surface
---------------------------------------------------------------
Critical Failure Surface Search using Multiple Circle Generation Techniques
Initial failure surface approximation - Factor of Safety: 2.309
Analysis Summary
----------------
----------------
There were: 17279 successful analyses from a total of 20001 trial failure surfaces
2722 analyses terminated due to unacceptable geometry
Critical (minimum) Factor of Safety: 1.83
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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 63.77 4564.09 384.00 4653.50 54.91 5214.03 650.00 1.832 <-- Critical Surface
2 63.77 4564.09 384.00 4653.50 55.47 5212.00 647.96 1.832
3 64.29 4564.27 384.00 4653.50 55.20 5214.21 650.00 1.832
4 64.29 4564.27 384.00 4653.50 55.77 5212.17 647.96 1.832
5 64.29 4564.27 384.00 4653.50 56.34 5210.14 645.92 1.832
6 64.29 4564.27 384.00 4653.50 56.91 5208.11 643.88 1.832
7 64.29 4564.27 384.00 4653.50 57.47 5206.07 641.84 1.832
8 63.77 4564.09 384.53 4653.50 55.45 5214.04 650.00 1.832
9 64.29 4564.27 384.00 4653.50 58.04 5204.04 639.80 1.832
10 64.29 4564.27 384.00 4653.50 58.61 5202.00 637.76 1.832
11 64.29 4564.27 384.00 4653.50 59.18 5199.96 635.71 1.832
12 64.82 4564.45 384.00 4653.50 55.50 5214.38 650.00 1.832
13 64.82 4564.45 384.00 4653.50 56.07 5212.35 647.96 1.832
14 64.29 4564.27 385.58 4653.50 56.82 5214.23 650.00 1.833
15 64.82 4564.45 384.00 4653.50 56.63 5210.31 645.92 1.833
16 64.29 4564.27 385.58 4653.50 57.38 5212.19 647.96 1.833
17 64.82 4564.45 384.00 4653.50 57.20 5208.28 643.88 1.833
18 64.29 4564.27 384.53 4653.50 55.74 5214.21 650.00 1.833
19 64.29 4564.27 385.58 4653.50 57.95 5210.16 645.92 1.833
20 64.82 4564.45 384.00 4653.50 57.77 5206.24 641.84 1.833
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