FIELD: mining, particularly mining and pit protection against underground water inflow in the case of open-pit kimberlite pipe and other mineral deposits development in subpermafrost horizon.
SUBSTANCE: method involves discharging water initially contained in deposit section to be developed and precipitation water from said deposit section; drilling injection wells around kimberlite pipe perimeter and performing explosions through regular system from pit bottom to create joined subvertical annular and subhorizontal rock fissured zones which have uniform fissures; supplying plugging materials therein and creating joined solid watertight diaphragms shaped as integral cups.
EFFECT: possibility to create watertight diaphragm, which protects deposit section to be developed against underground water ingress.
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR PIT PROTECTION AGAINST UNDERGROUND WATER INFLOW | 2005 |
|
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