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Surface Deformation Prediction System 4.Op 04-11-1995 <br />Profile Function Method (Hyperbolic Tangent) 15:13:35 <br />File Neme --> D:\SDPS\AM-LW.PRF <br />Case Description <br />Allen Mine, Longwell, k'oodward-Clyde parameters <br />Input Data <br />Mixing system .................................. .. Longwell <br />Panel width ...................................... . 450.0 (ft) <br />Overburden depth ........................... ....... 641.0 (ft) <br />Extraction thickness ........................ ...... 6.00 (ft) <br />Percent hardrock ............................ ...... 25.0 (%) <br />Estimate of inflection point (I.P.) .. ........ Conservative <br />Calculated Parameters <br />Panel geometry ...... .......................... Subcritical <br />Masmum subsidence (Smax) ......................... -3.56 (ft) <br />Maximum subsidence factor (Smax/m) ................ 0.593 <br />Offset of inflection point from rib (inby) ........ 73.6 (ft) <br />Distance of point of Smaa from I.P . ............... 151.4 (ft) <br />Subsidence Distribution <br />Distance ; Distance Distance <br />from Panel Subsidence; from Panel Subsidence; from Panel Subsidence <br />Center ; Center ; Center <br />(ft) (ft) ; (ft) (ft) ; (ft) (ft) <br />0 -3.56 ; 238 -0.63 ; 476 -0.01 <br />14 -3.50 ; 252 -0.51 ; 490 -0.O1 <br />28 -3.42 ; 266 -0.40 ; 504 -0.O1 <br />42 -3.33 280 -0.32 518 -0.00 <br />56 -3 <br />22 ; 294 -0.25 ; 532 -0.00 <br />70 . <br />-3.09 ; 308 -0.20 ; 546 -0.00 <br />64 -2.93 ' 322 -0.15 ; 560 -0.00 <br />98 -2.75 ~ 336 -0.12 ; 574 -0.00 <br />112 -2.54 ; 350 -0.09 ; 588 -0.00 <br />126 -2.32 ; 364 -0.07 ' 602 -0.00 <br />140 -2.08 ; 378 -0.06 ; 616 -0.00 <br />154 -1.84 ; 392 04 <br />-0 ; 630 -0.00 <br />168 -1.60 ' 406 . <br />-0.03 ; 644 -0.00 <br />182 -1.37 ~ 420 -0.03 ; 658 -0.00 <br />196 -1.15 ; 434 -0.02 ; 672 -0.00 <br />210 -0.95 ; 448 -0.02 ; 686 -0.00 <br />224 -0.78 ; 462 -0.01 ; 700 -0.00 <br />FIGURE AM-2 ALLEN MINE <br />SURFACE DEFORMATION PREDICTION SYSTEM (SDPS) <br />WOODWARD-CLYDE PARAMETERS <br />TRANSVERSE DEFORMATION, LONGWALL, PROFILE FUNCTION METHOD <br />WEST-EAST ORIENTATION. <br />