FIELD: mining.
SUBSTANCE: in the frozen condition a delineated section of a tailing storage facility is broken into cuts by development of ventilated trenches created for the entire width of a bucket with a backhoe excavator. Then dry tails are excavated for the entire width of the cut, which is equal to the minimum width of the traffic way, with the backhoe excavator installed on the upper site of the excavation cut.
EFFECT: increased intensity of tails mining and reduction of costs.
2 dwg
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