FIELD: blasting.
SUBSTANCE: annular elongated shaped charge of blasting explosive is installed in the bottom part of the shaft on the metal cup cylindrical wall and exploded. A compact explosive charge is then placed on the bottom of the mine, one and/or more means for initiation for explosive transformation of compact charge are connected and filled with ground. The roof of the protective structure is closed, and the compact charge is initiated. A high-explosive condensed individual or mixed explosive, or a solid rocket or special fuel, or powder or pyrotechnic composition is used as explosive material of compact charge.
EFFECT: invention makes it possible to extract practically all construction from earth on day surface, reduce the level of seismic and air action of explosion on the environment.
2 cl, 2 dwg
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