Undercut and fill system for pitching coal. Open file report Aug 79-Jun 81
Technical Report
·
OSTI ID:6752971
A study of the technical and economic feasibility of using a unique undercut and fill system developed by Bureau of Mines engineers to mine steeply pitching coal is discussed. The undercut and fill system combines hydraulic coal cutting with unassisted gravity fluming of the coal slurry. Mining occurs across strike and the extended entry is backfilled to provide uniform strata control and an impermeable water and air barrier. Subsequent mining occurs beneath the previously filled stope such that the roof consists of a solid, controlled back.
- Research Organization:
- Foster-Miller Associates, Inc., Waltham, MA (USA)
- OSTI ID:
- 6752971
- Report Number(s):
- PB-82-200486
- Country of Publication:
- United States
- Language:
- English
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