Pneumatic stowing seals mines
Journal Article
·
· Coal Age; (United States)
OSTI ID:5167143
A pneumatic stowing technique has been used in the US to seal entries to abandoned mines. Limestone mixed with dry cement or bentonite is blown into the opening. Sealing can be accomplished in much less time than with traditional concrete block/clay plug methods.
- OSTI ID:
- 5167143
- Journal Information:
- Coal Age; (United States), Vol. 88:11
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
01 COAL, LIGNITE, AND PEAT
ABANDONED SHAFTS
BACKFILLING
SEALING MATERIALS
PNEUMATIC TRANSPORT
BENTONITE
CEMENTS
COAL MINES
LIMESTONE
USA
BUILDING MATERIALS
CARBONATE ROCKS
CLAYS
MATERIALS
MINE SHAFTS
MINES
NORTH AMERICA
ROCKS
SEDIMENTARY ROCKS
SHAFT EXCAVATIONS
TRANSPORT
UNDERGROUND FACILITIES
012000* - Coal
Lignite
& Peat- Mining
ABANDONED SHAFTS
BACKFILLING
SEALING MATERIALS
PNEUMATIC TRANSPORT
BENTONITE
CEMENTS
COAL MINES
LIMESTONE
USA
BUILDING MATERIALS
CARBONATE ROCKS
CLAYS
MATERIALS
MINE SHAFTS
MINES
NORTH AMERICA
ROCKS
SEDIMENTARY ROCKS
SHAFT EXCAVATIONS
TRANSPORT
UNDERGROUND FACILITIES
012000* - Coal
Lignite
& Peat- Mining