2010-07-27_PERMIT FILE - M2009076 ‎(12)‎

• Permit No: M2009076
• IBM Index Class Name: PERMIT FILE
• Doc Date: 7/27/2010
• Doc Name: Adequacy Response, Ex. C- Mining Plan
• From: Venture Resources
• To: DRMS
• Email Name: ACS
• Media Type: D
• Archive: No

Slimes Fraction
Effective Friction Angle, (p
*Taken from greatest Principal Stress of each series
is
Confining
Pressure
1000 PSF
(Stage 1)
w
a
37.6° = T
Effective Normal Stress, o (PSF)
a3'= 338 PSF
al'= 1397 PSF
iff = 419 PSF*
*max. shear stress at failure plane occuring
at 45° + (P/2 from the initial effective
consolidation stress of a3' - Vick (1990)
•
Confining
Pressure.
7500 PSF
(Stage 2)
w
a
0
ctive Normal Stress, a (PSF)
(53'= 2402 PSF
al'= 7787 PSF
,cff= 2286 PSF*
31.90-9
*max. shear stress at failure plane occuring
at 45° + N/2 from the initial effective
consolidation stress of a3' - Vick (1990)
•
Confining
Pressure
15000 PSF
(Stage 3)
,-,
w
GO
a
32.4° _ T
Effective Normal Stress, a (PSF)
a3'= 4733 PSF
al' =15602 PSF
tiff= 4596 PSF*
*max. shear stress at failure plane occuring
at 451 + 9/2 from the initial effective
consolidation stress of a3' - Vick (1990)