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 ↓Nchanga Underground Mine applies a variant of block cave mining to exploit the massive copper ore deposits with generally low ore grades fairly distributed within the orebody. Mining activities date as far back as 1937 when underground production commenced. Traditional block caving mining method...
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...
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