METHOD FOR FORMATION OF EXTERNAL DUMP IN MINERAL OPENCAST MINING

摘要

FIELD: mining industry. SUBSTANCE: method includes construction of tunnel above transportation communications. Exits and pioneer embankment are formed over design outline of open pit, and successive filling of overburden rocks is made from low laying to higher laying tiers with filling of constructed tunnel. Tunnel is constructed within design outlines of dump. EFFECT: rational utilization of area for dump in locations of transportation communications owing to provision of rock filling in preset place of dump. 3 dwg