Mopani Copper Mines Plc. (MCM) is sinking a vertical rock and man shaft. The rock hoisting winder will handle 2.0 million tonnes of ore per annum. The project will significantly boost the current productivity of Mindola Mine, as it will enable the company to increase ore production from 800...
Download PDF ↓Backfill is described as waste material that is used to refill the underground voids left during mining for technical or safety purposes. Backfilling has several applications underground and the use of backfill has increasingly become a fundamental part in the entire underground mining activities...
Download PDF ↓Blasting is the process of fracturing material through the detonation of industrial explosives placed into drilled holes suitably located to a free surface. Every blast hole containing a calculated amount of explosive charge undergoes impulsive loading when detonated and results in the dynamic...
Download PDF ↓The objective of this research was to characterise the rockmass to determine appropriate support system for the decline with the 4.5m height and 4m wide in highly aquifer strata, recharging the water flow of 18, 000 cubic meters per day. As a result production targets reduced due to excessive...
Download PDF ↓The use of backfill in underground mines has increasingly become an integral part of overall mining operations all over the world. This has largely been driven by the need to increase ore recovery and productivity. The underground mining activities have given rise to creation of large volumes of...
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