| 摘要 |
FIELD: mining. ^ SUBSTANCE: invention refers to mining and can be implemented for under water development of rock. The procedure for under water development of rock consists in excavation, in piling rock on an ice floe, and in transporting the ice floe to a place of stock piling on basin bottom. The basin is limited with a dam constructed up to a coastal strip and having an opening from the side of the ice floe transported with rock. Further, the ice floe is driven to negative floatability. When part of the basin is filled with ice floes with rock, the opening is blocked; rock is excavated upon melting and supplied to a concentrating installation erected on a shore. Further, ice floes with rock are stacked in an adjacent part of the basin divided with a common dam between the basins. ^ EFFECT: raised efficiency, reduced power consumption for transport operations, and reduced ecological damage to water medium caused with mining operations. ^ 2 dwg |
