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Publications tagged with [room and pillar]
Total Items found:
Esterhuizen G. S.
,
Dolinar D. R.
et al.
Limestone formations in the United States can be subject to relatively high horizontal stresses owing to the existence of tectonic loading of the limestone strata. Underground limestone mines use the room-and-pillar method, in which 12- to 18-m-wide rooms ...
Filed under:
Mining Engineering -
Mine Rock Support
Reference:
6th International Symposium on Ground Support in Mining and Civil Engineering Construction, Edrs: T. R. Stacey and D. F. Malan
An underground investigation was designed and implemented by the National Institute for Occupational Safety and Health (NIOSH) to evaluate the effectiveness of pre-driven longwall recovery rooms supported with pumpable concrete roof supports. The pumpable ...
Filed under:
Mining Engineering -
Mine Monitoring
Reference:
6th International Symposium on Ground Support in Mining and Civil Engineering Construction, Edrs: T. R. Stacey and D. F. Malan
The paper deals with the improved mining design method for Estonian oil shale mines, where the room-and-pillar mining system is used. Design of mining block parameters is based on the instruction used in Estonian oil shale mines. The factor of safety is very ...
Filed under:
Mining Engineering -
Mine Design
Reference:
ene.ttu.ee
This chapter describes and explains methods for the underground mining of mineral deposits. The descriptions are generalized and focus on typical applications. Example chosen illustrate types of mining practice as of 1999. However every mineral deposit with ...
Filed under:
Mining Engineering -
Underground Mining
Reference:
General Mine Design Considerations
