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2006-08-02_PERMIT FILE - C1980007 (5)
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2006-08-02_PERMIT FILE - C1980007 (5)
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Last modified
1/8/2018 12:53:57 PM
Creation date
11/20/2007 11:33:30 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
Permit File
Doc Date
8/2/2006
Section_Exhibit Name
Exhibit 75 SGARE Appendix E Part 2
Media Type
D
Archive
No
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FROM : IGES,LRB._Inc,SRLTLAI~CITY,UT PHONE NO. : 8016656111 May. 28 2003 07:13Rh1 PS <br />• <br />C~ <br />• <br />Environmental Strxtgics (West Elk Mine) <br />Triazial Consolidated Undrained /with Pore Pressure /Multi-Staged <br />9+50 at 5-7 feet <br />Phase 1 2 3 <br />Drill hole 9+50 <br />Sample <br />Depth (£t) 5-7 <br /> w % 16.4 <br /> d 105.7 U <br />c pq <br /> B <br /> w (%) 21.9 <br />~ yd (pcfl 112.1 <br />w eo <br /> B <br />Back ressure (psi 39.5 39.5 39.5 <br />Strain rate (in/min) 0.0051 0.0051 0.0051 <br /> <br /> <br />Stress ConditiOnS ~•, <br />p <br />b <br /> <br /> <br />a ~•, <br />b <br />b <br /> <br /> <br />~ ~-, <br />b <br />b <br /> <br /> <br />a .•., <br />G <br />-b <br />Y <br /> <br />~ ~, <br />b <br />b <br />~ <br />ro <br />a M <br />b <br />_b <br />K <br /> <br />~ <br /> s (%) 6.70 14.65 22.52 <br /> Time to Fail (min) 11.3 12.8 13.1 <br />~ a3 (psf) 1008 2002 4003 <br />,~ of-a3 (psf) 2034 3098 4587 <br />~ al(ps~ 3042 5100 8590 <br />r° Q = (a1-632 (psf) 1017 1549 2293 <br />E <br />- P = al+a3 /2 sfl 2025 3551 6297 <br /> u (psfl 360 648 1397 <br /> A = u/(al-a3) 0.177 0.209 0.305 <br /> e (%) 6.70 14.65 22.52 <br />y Time to Fail (mia) 11.3 12.8 13.1 <br />°= e'3 (ps 648 1354 2606 <br /> 6'1-d3 (psfl 2034 3098 4587 <br />'~ dl (psfl 2682 4452 7193 <br /> ' = a'1-a'3 2 s 1017 1549 2293 <br />w P' _ {a'1 •~a•'3)/2 (psf) 1665 2903 4900 <br /> a'l/6'3 4.14 3.29 2.76 <br />Summary of strength paramaters Total stress Effective stress <br />~ (deg) 17 23 <br />c (psfl 450 380 <br />Slo a of P-Q, a, de 16 21 <br />9+50_at_S-7_cupp_s[e~ed_3DJS~matie <br />Summary <br />F:V'RUJI'xTS~0031Environmental_SVatayjesU9+50_x[_5-7_tupp_stneed 3pL+~rnmetiexlsjSummary <br />
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