2008-01-16_APPLICATION CORRESPONDENCE - C2008086 ‎(3)‎

• Permit No: C2008086
• IBM Index Class Name: Application Correspondence
• Doc Date: 1/16/2008
• Doc Name: Preliminary Draft Environmental Impact Statement/Subsidence
• Media Type: D
• Archive: No

DRAFT
Table 9. Maximum Tensile (+E) and Compressive (-E) Strains for Planned Red Cliff Mine Longwall Panels.
Panel Overburden Width/ Maximum Smax/ Maximum Maximum Distance Maximum Maximum Distance
Width Depth Depth Subsidence Depth Extension Tensile from Compression Compressive from
(feet) (feet) Ratio Smax Ratio Multiplier Strain(+E) Centerline Multiplier Strain(-E) Centerline
(feet) (o-strain) (feet) (u-strain) (feet)
800 200 4.000 8.91 0.04455 0.65 29000 400 0.51 22700 235
500 1.600 8.91 0.01782 0.65 11600 400 0.51 9090 235
1000 0.800 7.49 0.00749 0.66 4940 417 0.68 5090 110
1500 0.533 4.79 0.00319 0.78 2490 477 1.25 3990 4
2000 0.400 3.21 0.00160 0.79 1260 662 1.72 2750 0
900 200 4.500 8.91 0.04455 0.65 29000 450 0.51 22700 264
500 1.800 8.91 0.01782 0.65 11600 450 0.51 9090 264
1000 0.900 7.87 0.00787 0.68 5350 460 0.59 4640 190
1500 0.600 5.39 0.00359 0.75 2690 504 1.05 3770 72
2000 0.450 4.31 0.00188 0.83 1560 636 1.55 2920 16
1000 200 5.000 8.91 0.04455 0.65 29000 500 0.51 22700 293
500 2.000 8.91 0.01782 0.65 11600 500 0.51 9090 293
1000 1.000 8.22 0.00822 0.66 5420 512 0.54 4440 200
1500 0.667 6.04 0.00403 0.72 2900 537 0.91 3670 117
2000 0.500 4.36 0.00218 0.82 1790 626 1.37 1790 36
1100 200 5.500 8.91 0.04455 0.65 29000 550 0.51 22700 323
500 2.200 8.91 0.01782 0.65 11600 550 0.51 9090 323
1000 1.100 8.42 0.00842 0.66 5470 558 0.52 4380 245
1500 0.733 6.58 0.00439 0.67 2940 584 0.78 3420 135
2000 0.550 4.85 0.00242 0.78 1890 642 1.18 2860 66
1200 200 6.000 8.91 0.04555 0.65 29000 600 0.51 22700 352
500 2.400 8.91 0.01782 0.65 11600 600 0.51 9090 352
1000 1.200 8.55 0.00855 0.65 5560 608 0.53 4530 289
1500 0.800 7.13 0.00475 0.66 3140 624 0.68 3230 164
2000 0.600 5.39 0.00270 0.75 2020 674 1.05 2840 96
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