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Hydraulic model studies for backfilling mine cavities. (Second series of tests)

Technical Report ·
OSTI ID:7181278
Hydraulic model tests to study different aspects of backfilling mine cavities with sand and waste material to reduce subsidence of land at the surface above the mine cavities are discussed. Tests were made in the model of an idealized coal mine that was operated to determine the results of various conditions where mine cavities are backfilled by pumping a fine sand slurry. Fine, uniform blow sand having a median size of 0.14 mm obtained from the Rock Springs, Wyoming area was used to produce the sand slurry. (GRA)
Research Organization:
Bureau of Reclamation, Denver, Colo. (USA). Engineering and Research Center
OSTI ID:
7181278
Report Number(s):
PB-241510; REC-ERC-75-3
Country of Publication:
United States
Language:
English

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Related Subjects

01 COAL, LIGNITE, AND PEAT
010900 -- Coal
Lignite
& Peat-- Environmental Aspects
012000* -- Coal
Lignite
& Peat-- Mining
510500 -- Environment
Terrestrial-- Site Resource & Use Studies-- (-1989)
54 ENVIRONMENTAL SCIENCES
BACKFILLING
COAL MINES
DISPERSIONS
FUNCTIONAL MODELS
GROUND SUBSIDENCE
LAND RECLAMATION
MINES
MINING
MIXTURES
PUMPING
SAND
SLURRIES
SOLID WASTES
SUSPENSIONS
UNDERGROUND MINING
WASTES