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However, little is known about the temperature effects on CPB in mines having a large temperature fluctuation. The main purpose of this research was to investigate the effect of temperature change on the rheological properties (e.g., shear stress and apparent viscosity) of CPB with copper mine tailings.
Normally, CBM is prepared in a backfill plant located at the surface of the mine and after being mixed homogeneously, it is transported underground to mine stopes by gravity or/and pumps though pipelines [17 J. Haiqiang, M. Fall, and L. Cui, Yield stress of cemented paste backfill in sub-zero environments: experimental results, Miner.
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Various concrete mix samples composed of differing proportions of the available ingredients were then made and tested to achieve an optimised cemented backfill with appropriate level of rheological properties. 2. VENARCH Mine The VENARCH manganese mine is located near a village of the same name in Qom Province, about …
Not all mine tailings are appropriate for creating a quality paste fill that will flow properly and demonstrate the required strength properties after placement. Betty Lin, senior engineer for backfill services, mining and mineral processing at Hatch, says: “For example, very fine-grind gold tails and high-sulphide ores can be problematic.
Do not use the interlock system as part of your lockout procedure It is your duty of care to: • Work safely. • Look after your work mate. • Maintain a safe work place. • Report all accidents, incidents and hazards. Why is backfill used? Backfill is used in the mining industry for several reasons. • Ground stabilisation.
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