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"Seam Longwall Subsidence Page 2~ August 17, 1998 i 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 Hori zontal Strain Loca- Ground Width Panel Panel Profile Max Sma,/ 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 (flE) -E (flE) Ratio Factor (ft) Panel #7 Final No 690 240 2.667 0.900 12.680 52833 0.65 39391 0.51 26949 E Side No 195m 500 1.280 0.858 12.789 25568 0.65 16619 0.52 13295 E Side Yes 1000 0.690 0.645 8.475 8475 0.72 6102 0.94 7966 E Side Yes 1500 0.927 0.385 9.782 3188 0.80 2550 1.65 5260 E Side Yes 2000 0.320 0.227 2.799 1900 0.73 1022 1.92 2688 E Side Yes 2500 0.256 0.165 1.782 713 0.65 963 2.11 1504 W Side No 500 1.280 0.858 11.669 23338 0.65 15170 0.52 12136 W Side No 500 1.280 0.858 12.184 24368 0.65 15839 0.52 12671 W Side Yes 1000 0.690 0.695 8.185 8185 0.72 5893 0.94 7694 W Side Yes 1500 0.427 0.385 4.797 3165 0.80 2532 1.65 5222 W Side Yes 2000 0.320 0.227 2.738 1369 0.73 996 1.92 2619 W Side Yes 2500 0.256 0.165 1.782 713 0.65 963 2.11 1509 Start Yes 2530 0.263 0.168 1.754 693 0.64 994 2.12 1469 Panel #B Final No 690 500 1.280 0.858 11.326 22652 0.65 19729 0.52 11779 E Side No 195m 500 1.260 0.858 12.189 24368 0.65 15639 0.52 12671 E Side No 1000 0.690 0.695 9.229 9229 0.72 6641 0.99 8671 E Side Yes 1500 0.927 0.385 4.747 3165 0.80 2532 1.65 5222 E Side Yes 2000 0.320 0.227 2.738 1369 0.73 999 1.92 2626 E Side Yes 2500 0.256 0.165 1.782 713 0.65 963 2.11 1504 W Side No 1000 0.640 0.695 8.772 6772 0.72 6316 0.99 8246 W Side No 1000 0.640 0.695 8.837 8837 0.72 6363 0.99 8307 W Side Yes 1500 0.427 0.385 4.643 3095 0.80 2476 1.65 5107 W Side Yes 2000 0.320 0.227 2.717 1358 0.73 991 1.92 2607 W Side Yes 2500 0.256 0.165 1.782 713 0.65 963 2.11 1504 Start Yes 2260 0.283 0.182 1.835 812 0.68 552 2.08 1689 26