FIELD: methods of mining and construction jobs applicable, mainly, in drilling of blast holes and installation of piles in frozen rocks. SUBSTANCE: method includes supply of working member to hole bottom and mechanical breakage of rocks with preliminary thawing of layers coming in contact with working member by saturation of hole bottom rocks with heat generating reagents. EFFECT: higher efficiency.
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR PREPARATION OF FROZEN ROCKS FOR MINING | 1992 |
|
RU2036309C1 |
| METHOD OF PREPARATION OF FROZEN LOOSE DEPOSITS FOR EXCAVATION | 1994 |
|
RU2100607C1 |
| PERMAFROST ROCKS PREPARATION METHOD | 1991 |
|
RU2046952C1 |
| METHOD FOR PREPARATION OF FROZEN PEATS IN MINING OF PLACER DEPOSITS | 1992 |
|
RU2036307C1 |
| FROZEN ROCK PREPARATION METHOD | 0 |
|
SU1765416A1 |
| METHOD FOR PREPARATION OF FROZEN PLACER FOR MINING | 1991 |
|
RU2039273C1 |
| METHOD OF PREPARATION OF FROZEN ROCKS FOR EXCAVATION | 1994 |
|
RU2100606C1 |
| METHOD OF ROCK HYDRAULIC EXCAVATION | 1994 |
|
RU2100605C1 |
| 0 |
|
SU381756A1 | |
| DRILLING BIT OF CUTTING TYPE | 1994 |
|
RU2081989C1 |
