FIELD: mining industry, in particular, extraction of gravel deposits by open method in permafrost zones under river beds, having alternation of crossings freezing in winter and non-freezing reaches.
SUBSTANCE: method includes drying a section of gravel deposits by draining water with pump plant, removal of ice and extraction of resources. Draining of water and extraction of resources is performed in winter period after freezing of crossings.
EFFECT: increased quantity of extracted resources.
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| METHOD OF MELTING OF FROZEN ROCKS AND SOIL | 2015 |
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