FIELD: mining.
SUBSTANCE: in the zone of the protection object wells are drilled with identical depth, arranging them, for instance, in a staggered order. Explosives are laid onto the bottom of wells. Wells are filled with rocks excavated in process of drilling. Explosions are carried out in series.
EFFECT: improved efficiency of seismic protection.
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Authors
Dates
2013-02-27—Published
2011-04-11—Filed