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CEMENTED ROCKFILL [1 record]

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Record 1 1998-06-10

English

Subject field(s)
  • Mine Passages
CONT

Primary stopes are backfilled with cemented rock fill produced by spraying a cement-fly ash slurry on the rockfill before it is distributed to the stopes. The cemented rockfill hardens into a solid mass forming an artificial pillar for mining the secondary stope. The cement slurry is generally not required when secondary stopes are backfilled, except for the last pours to establish a firm mucking floor.

OBS

rock filling: Waste rock, used to fill up worked-out stopes to support the roof.

French

Domaine(s)
  • Galeries et soles (Mines)
DEF

[...] introduction de ciment dans les matériaux de remblayage pour assurer leur consolidation et améliorer leur comportement mécanique sous la pression des terrains.

Spanish

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