2023-09-06_PERMIT FILE - M2023032 ‎(19)‎

• Permit No: M2023032
• IBM Index Class Name: Permit File
• Doc Date: 9/6/2023
• Doc Name Note: Exhibit S - Permanent Man-Made Structures
• Doc Name: Application
• From: Martin Marietta Materials, Inc.
• To: DRMS
• Email Name: ANM
• Email Name: JLE
• Media Type: D
• Archive: No

Centre: XC: 56.92 YC: 149.84 Radius: R:
150.00
Earthquake Force
----------------
Pseudo-static earthquake (seismic) coefficient: 0.085
Variable Restraints
-------------------
Parameter descriptor: XL XR R
Range of variation: 10.00 5.00 50.00
Trial positions within range: 20 20 50
- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
-- -- -- -- -- -- -- -- -- -- -- -
RESULTS: Analysis 1 - Seismic
Bishop Simplified Method of Analysis - Circular Failure Surface
---------------------------------------------------------------
Critical Failure Surface Search using Multiple Circle Generation Techniques
Initial failure surface approximation - Factor of Safety: 2.059
Analysis Summary
----------------
There were: 19329 successful analyses from a total of 20001 trial failure surfaces
672 analyses terminated due to unacceptable geometry
Critical (minimum) Factor of Safety: 1.70
------------------------------------------
Results Summary - Lowest 99 Factor of Safety circles
----------------------------------------------------
Circle X-Left Y-Left X-Right Y-Right X-Centre Y-Centre
Radius FoS
1 45.00 0.00 140.50 27.00 60.93 126.04
127.04 1.698 <-- Critical Surface
2 45.53 0.00 140.50 27.00 61.31 125.03
126.02 1.700
3 45.53 0.00 141.03 27.00 61.46 126.04
127.04 1.700
4 46.05 0.00 140.50 27.00 61.68 124.02
125.00 1.701
5 46.05 0.00 141.03 27.00 61.83 125.03
126.02 1.702
6 46.05 0.00 141.55 27.00 61.99 126.04
127.04 1.702
7 46.58 0.00 141.03 27.00 62.21 124.02
125.00 1.704
8 46.58 0.00 141.55 27.00 62.36 125.03
126.02 1.704
9 46.58 0.00 142.08 27.00 62.51 126.04
127.04 1.704
10 46.05 0.00 140.76 27.00 61.91 123.99
125.00 1.705
11 45.00 0.00 140.76 27.00 60.86 127.08
128.06 1.705
12 45.00 0.00 141.29 27.00 61.01 128.08
129.08 1.705
13 47.11 0.00 141.55 27.00 62.73 124.02
125.00 1.706