PERMFILE40335

• Permit No: C1981022
• IBM Index Class Name: Permit File
• Doc Date: 1/27/2003
• Doc Name: Predicted D Seam Longwall Subsidence Report 2/26/03
• Section_Exhibit Name: Exhibit 2.05-E8 Part 6
• Media Type: D
• Archive: No

1 TABLE OF CONTENTS
•
I EXECUTIVE SUMMARY 1
INTRODUCTION. 13
MINING ENVIRONMENT. 14
I CHIMNEY SUBSIDENCE POTENTIAL. 19
INDIVIDUAL LONGWALL PANEL TROUGH SUBSIDENCE PREDICTION 25
I :
LONGWALL PANEL GROUP SUBSIDENCE PREDICTION. 34
' PREDICTED LANDSLIDE SUBSIDENCE EFFECTS. 94
CONCLUSIONS 4 6
I REFERENCES. 98
APPENDIX A. PREDICTED SINGLE PANEL SUBSIDENCE AND STRAIN 50
APPENDIX B. INDIVIDUAL LONGWALL PANEL SUBSIDENCE PLOTS 132
l~ APPENDIX C. NCB GRAPHS USED TO PREDICT SUBSIDENCE EFFECTS. 170
APPENDIX D. PHYSICAL PROPERTIES OF "D" SEAM ROCKS 174
' :
PLATES . IN POCKET
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