PERMFILE45400

• Permit No: C1981022
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: PREDICTED D SEAM LONGWALL SUBSIDENCE /ELK CREEK MINE ABEL 1998
• From: Old Exhibit 2.05-E2 Part 6
• Section_Exhibit Name: Exhibit 2.05-E8 Part 4
• Media Type: D
• Archive: No

Seam Longwall Subsidence Page ~ August 17, 1998 •
Table 5 (Continued). Maximum surface subsidence and horizontal strain predictions for
single longwall panel mining.
Panel Virgin Panel Local Local Local Local Local Local Max Horizontal Strain
Loca- Ground Width Panel Panel Profile Max Sm,x/ Tens. Strain Comp. Strain
tion Yes or (ft) Depth Width/ Panel Sub Depth Factor Value Factor Value
No (ft) Depth Corr. Sm,,, x 106 +E (~llE) -E (,UE)
Ratio Factor (ft)
Panel #13
Final No 690 1000 0.690 0.645 5.597 5547 0.72 3999 0.94 5219
E Side No 195m 1500 0.927 0.385 3.927 2618 0.80 2094 1.65 9320
W Side Yes 1500 0.427 0.385 3.638 2925 0.80 1990 1.65 4001
W Side No 2000 0.320 0.227 2.565 1282 0.73 936 1.92 2461
W Side No 2000 0.320 0.227 2.611 1306 0.73 953 1.92 2508
W Side Yes 2000 0.320 0.227 2.492 1296 0.73 910 1.92 2392
W Side Yes 2000 0.320 0.227 2.329 1164 0.73 850 1.92 2235
Start Yes 1950 0.328 0.293 2.253 1155 0.74 855 2.05 2368
Panel #19
Fi nal No 690 1000 0.690 0.695 9.902 9902 0.72 3529 0.99 9608
E Side Yes 195m 1500 0.427 0.385 3.638 2425 0.80 1940 1.65 9001
E Side No 2000 0.320 0.227 2.565 1282 0.73 936 1.92 2961
E Side No 2000 0.320 0.227 2.611 1306 0.73 953 1.92 2508
E Side Yes 2000 0.320 0.227 2.492 1296 0.73 910 1.92 2392
E Side Yes 2000 0.320 0.227 2.329 1169 0.73 850 1.92 2235
W Side No 1000 0.690 0.695 5.031 5031 0.72 3622 0.94 4729
W Side No 1500 0.927 0.385 3.812 2541 0.80 2033 1.65 4193
W Side No 2000 0.320 0.227 2.611 1306 0.73 953 1.92 2508
W Side Yes 2000 0.320 0.227 2.247 1129 0.73 821 1.92 2158
Start Yes 2285 0.280 0.179 1.563 684 0.69 972 2.05 1902
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