PERMFILE51373

• Permit No: C1984065
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: Appendix 4.3-1 Appendix III Rock Testing Results Hole 8A
• Media Type: D
• Archive: No

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~•UNIRXIRL COMPRESSIVE
SEEGMILLER INTERNATIONAL
tNom+c GEOhcruarx CaaaATNrtS i Fi~coetns
III-3
STRENGTH RND ELRSTIC MODULUS
Sample No. WCU-SA-U/E-2 Client STORM KING Dote 8/30/83
Sample Size 61.1Omm dia. x 151.05mm Surface Areo 2,930mm2 Tested by BDBfiJSs
PRE-TEST DESCRIPTION: COAL-l1PPER SEAM(Nole No. 8A, 1023.6'): Clean; generally
vitreous; vague dull banding; trace of resin; solid and
fairly dense sample; single cleat surface extends vertically
through sample; no visible fractures; very good edges and
end surfaces; very good sample.
--~--.. .. ---------i ----~- --- ~ ~- - - - ... __. _ ..
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N
N
W
I-
N

TEST COMMENTS: Very Good Test: Stepwise failure; irregular shear surface(a~10°)
extended through sample length; additional vertical tension
fractures; three large pieces plus numerous smaller pieces and
fragments resulted.
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.. ... __I ._____. __{___ ._ _. .._.1 __ _ __. _:
__.. ..r ._.._ ._______~_-_ - ... __. .-~ _ ..__.. _._ _.. .
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N
O
force at Failure 24.6 kN Unioxial Compressive Strength 8.39 MPa
STRAIN , IDm/IDm x 10-y
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Tangent Modulus
.--------+~-__--------t--- ---~--t - -~- -~ - ----
__.._ _______ __-_.-____1 -_ _-_____t.. _ _.. _._.-.,- .. _ _
rt _ __ __________y __ ___ ~ _ _ _ _
_.. _ ~ 1I _. ~ _ .. _ _ _ ..._._ _.. _ ~ ~.
___ .+._ _ _...__y-~....~..__ I..... ... .
0 2 4 6 8
1.85 GPa Secant Modulus N/A
Modulus Ratio N/A Stiffness N/A
Poisson~s Ratio N/A