FIELD: mining industry; applicable in open-pit mining of mineral deposits for preparation of frozen loose deposits for excavation. SUBSTANCE: method includes drilling of holes in rock mass, placing of heat-generating reagents and explosive charges, and their blasting, thawing of frozen rocks by hydraulic method, for instance, spraying with fluid. EFFECT: higher efficiency.
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR PREPARATION OF FROZEN ROCKS FOR MINING | 1992 |
|
RU2036309C1 |
| PERMAFROST ROCKS PREPARATION METHOD | 1991 |
|
RU2046952C1 |
| FROZEN ROCK PREPARATION METHOD | 0 |
|
SU1765416A1 |
| METHOD FOR PREPARATION OF FROZEN PLACER FOR MINING | 1991 |
|
RU2039273C1 |
| 0 |
|
SU541990A1 | |
| METHOD OF HOLE DRILLING IN FROZEN ROCKS | 1994 |
|
RU2111354C1 |
| METHOD OF PREPARATION OF FROZEN ROCKS FOR EXCAVATION | 1994 |
|
RU2100606C1 |
| METHOD FOR PREPARING FROZEN ALLUVIAL DEPOSITS FOR EXCAVATION | 0 |
|
SU717940A1 |
| METHOD FOR PREPARATION OF FROZEN PEATS IN MINING OF PLACER DEPOSITS | 1992 |
|
RU2036307C1 |
| METHOD OF OPEN MINING OF CRYOLITHIC ZONE FIELDS | 2014 |
|
RU2575283C1 |
