PROCESS OF PREPARING A CEMENTED PASTE BACKFILL MATERIAL

PROCESS OF PREPARING A CEMENTED PASTE BACKFILL MATERIAL

Process of preparing a cemented paste backfill material, said material comprising ground mine tailings, a hydraulic binder and water, wherein the solids content of the backfill material is 70-82 wt.-%, preferably 74-80 wt.-%, the process comprising the steps of:a) providing a dry premix, said premix...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Brouard, Eric, Thomas, Delphine, Creyx, Antoine, Watt, Olivier
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:Process of preparing a cemented paste backfill material, said material comprising ground mine tailings, a hydraulic binder and water, wherein the solids content of the backfill material is 70-82 wt.-%, preferably 74-80 wt.-%, the process comprising the steps of:a) providing a dry premix, said premix comprising the hydraulic binder, a superplasticizer and optionally a defoaming agent,b) mixing said dry premix with the ground mine tailings and water.