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2014-08-19_PERMIT FILE - C1980007 (10)
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2014-08-19_PERMIT FILE - C1980007 (10)
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Last modified
10/28/2016 9:13:07 AM
Creation date
10/28/2016 8:49:19 AM
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DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
Permit File
Doc Date
8/19/2014
Doc Name
Haul Road Geotechnical Design Method
Section_Exhibit Name
Exhibit 82 Appendix H
Media Type
D
Archive
No
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1.36 <br />Mountain Coal Company RPE East HR -1: Seepage & Stability Analysis <br />ESSA, Colluvium Fully Softened Shear Strength, Static (with suction) <br />6.55 File Name: RPE Haul Road Stability_FinalSurvey.gsz Name: Shale <br />Model: Shear/Normal Fn. <br />Last Saved Date: 5/10/2012 Name: Colluvium (FS) (with suction) Unit Weight. 142.5 pcf <br />6.50 Factor of Safety: 1.36 Model: Mohr -Coulomb Unit Wt. Above Water Table: 135 pcf <br />Unit Weight. 135.4 pcf Strength Function: Shale (Halfway: F <br />Unit Wt. Above Water Table: 130 pcf <br />6.45 Cohesion: 394 psf <br />Phi: 23.9 ° <br />Vol. WC. Function: Colluvium i <br />6.40 Name: Carbonaceous Shale <br />Model: Shear/Normal Fn. <br />6.35 Unit Weight: 142.5 pcf <br />Unit Wt. Above Water Table: 135 pcf <br />Strength Function: Shale (FS, Lab) <br />6.30 <br />C)p 6.20 <br />O <br />6.05 <br />W <br />6.00 <br />5.95 <br />5.90 <br />5.85 <br />5.80 <br />5.75 <br />5.70 <br />10 <br />0.26 <br />Name: Coal <br />Model: Mohr -Coulomb <br />Unit Weight: 85 pcf <br />Unit Wt. Above Water Table: 82.4 pcf <br />Cohesion: 5000 psf <br />Phi: 30 ° <br />Name: Drainage Blanket <br />Model: Mohr -Coulomb <br />Unit Weight: 120 pcf <br />Cohesion: 0 psf <br />Phi: 30 ° <br />7.5 gpm/50' = 3.342e-004 cfstft <br />Figure 8 <br />6.55 <br />6.50 <br />6.45 <br />6.40 <br />6.35 <br />Haul------------------------------------------------------------ 6.30 <br />Road ______ <br />- ---------------- 6.25 <br />Name: Sandstone <br />Model: Bedrock (Impenetrable) <br />0.36 0.46 0.56 0.66 0.76 0.86 0.96 1.06 1.16 <br />Horizontal Distance (ft) (x 1000) <br />j 6.20 <br />6.10 <br />6.05 <br />6.00 <br />5.95 <br />5.90 <br />5.85 <br />5.80 <br />5.75 <br />5.70 <br />1.26 1.36 1.46 1.56 1.66 1.76 <br />
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