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SEM' @Y, 2-15-95 :lO~l0PM ; 0 S 11t~ 303 8328106;# 5/ 6 <br />Attachment 2 <br />Surface Deforgiation pprrediction Syy¢tem 4:Op <br />P ofile Function Method j(H~Yypperbolic Tanggent) <br />F~le Name --> C:\SDPS\PROGRAM\WCRPZSHR.PRF <br />02-16-1995 <br />08:07:04 <br />Case Description <br />JIM AND ANN TATUM SUBSID$NCE COMPLAINT. GOLDEN EAGLE MINE, <br />WESTON, COLORADO, <br />Input Data <br />Kining system ............................. <br />Panel width Room-and-Pillar <br />600 <br />0 <br />ft) <br />............................ <br />Overburden depth ... ........... .......... ....... <br />. <br />....... d55,0 ft <br />Extraction thickness .............................. 7.50 <br />Percent hardrogk ........ <br />.. <br />.. <br />. <br />.... <br />. <br />.. <br />. <br />25 <br />0 ft . <br />$) <br />.... <br />. <br />. <br />. <br />. <br />Sxt~action ratio ........ <br />~ <br />~ <br />~ . <br />.. <br />.. <br />. <br />.. ... 75.0 <br />~ t <br />Estimate of inflect~on <br />polnt <br />(I.P.j <br />........ .. <br />Conservative <br />Calculated Parameters , <br />Panel geomet .... ................... . Supercritical <br />Maximum subs ence (SmaXj .......... <br />i <br />M <br />d <br />(S <br />B <br />% <br />j ....... -3.61 (ft) <br />....... <br />ax <br />mum su¢s <br />encg actgr <br />m <br />x <br />m ....... 0.482 <br />offset of inflection ppoint from rib (inby) . ....... 91.0 (ft) <br />Distance of point of Smax from I.P . ........ ....... 182.0 ft <br />Subsidence Distribution <br />60 <br />72 <br />84 <br />96 <br />108 <br />120 <br />132 <br />144 <br />156 <br />168 <br />180 <br />192 <br />Subsidence <br />-3f 61 <br />-3.60 <br />-3.58 <br />-3.55 <br />-3.52 <br />-3.49 <br />-3.44 <br />-3,39 <br />-3.32 <br />-3.23 <br />-3.13 <br />-3.01 <br />-2.88 <br />-2.72 <br />-2.54 <br />-2.35 <br />-2.19 <br /> Distance <br />Subs <br />id <br />ence from <br />Panel Sub <br />idence <br /> C s <br />( <br />) <br />f ) <br />1 <br />~ f <br />~ <br />93 <br />-I 40 -O <br />O <br />-1.71 420 -0.06 <br />-1.49 432 -0.04 <br />-1.29 444 -0.03 <br />-1.10 456 -0.03 <br />-0,93 468 -0.02 <br />-0,77 480 -0.02 <br />-0,64 492 -0.01 <br />-0,52 504 -0.01 <br />-0,42 516 -0.01 <br />-0,34 528 -0.01 <br />-0:28 540 -0.01 <br />-0,22 552 -0.00 <br />-0.18 564 -0.00 <br />-0.14 576 -0.00 <br />-0.11 588 -0.00 <br />-0.09 600 -0.00 <br />396 <br />