| 发明名称 |
METHOD FOR STABILIZATION OF ROCK MASSIF OVER OLD MINE WORKINGS |
| 摘要 |
Method for stabilization of rock massif over old mine workings at which one fills with backfill mortar not old mine workings or cavities present in the seam but undermined, compacted rock massif bedded between workings and daylight, beginning from the lower horizons to upper ones, at that drilling of wells is carried out not reaching roofing of old mine working. |
| 申请公布号 |
UA45742(U) |
申请公布日期 |
2009.11.25 |
| 申请号 |
UA20090005542U |
申请日期 |
2009.06.01 |
| 申请人 |
UKRAINIAN STATE SCIENTIFIC-RESEARCH AND PROJECT-DESIGN INSTITUTE OF MINE GEOLOGY, GEOMECHANICS, ANDMINE SURVEY |
发明人 |
FEOFANOV ANDRII MYKOLAIOVYCH |
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