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Mining Publication: Pillar Design and Strategies for Retreat Mining
Keywords: Computer simulation Pillar design Pillars Retreat mining
Original creation date: January 1994
Authors: FE Chase, C Mark
NIOSH/USBM Numbered Publication - January 1994
Download PDF Document (8.49 MB)
NIOSHTIC2 Number: 10005494
In: Peters RH, ed. Improving Safety at Small Underground Mines. United States Department of the Interior, Bureau of Mines SP 18-94, 1994; :15-23
One of the keys to miner safety and an efficient recovery of the reserves is to design sufficiently sized production pillars that will prevent pillar squeezes, excessive pillar spalling, severe floor heave, roof falls, and pillar bumps. Currently, few mine operators design sections that will be retreat mined using empirical formulas or numerical models that estimate abutment pressures generated by adjacent mined-out workings. The U.S. Bureau of Mines is in the process of field testing and refining a "user friendly" computer program called Analysis of Retreat Mining Pillar Stability (ARMPS) to estimate abutment pressures developed during pillaring. Analyses of 68 pillar design case histories using the ARMPS program indicate that it can be successfully employed to predict pillar line stability during retreat mining operations.
Image of publication Pillar Design and Strategies for Retreat MiningNIOSH/USBM Numbered Publication - January 1994
Download PDF Document (8.49 MB)
NIOSHTIC2 Number: 10005494
In: Peters RH, ed. Improving Safety at Small Underground Mines. United States Department of the Interior, Bureau of Mines SP 18-94, 1994; :15-23
See Also
Analysis of ARMPS2010 Database with LaModel and an Updated Abutment Angle Equation
Analysis of Pillar Design Practices and Techniques for U.S. Limestone Mines
Assessment of Stable and Failed Pillars in Underground Limestone Mines
Deep Cover Pillar Recovery in the US
The Effects of Roof and Floor Interface Slip on Coal Pillar Behavior
Pillar Design Issues for Underground Stone Mines
Proceedings: New Technology for Ground Control in Retreat Mining
Reducing the Risk of Ground Falls During Pillar Recovery
Sizing of Final Stumps for Safer Pillar Extraction
The Unpredictable Life Cycle of a Coal Pillar
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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