FIELD: mining. SUBSTANCE: slot is formed in stoping chamber with the help of deep hole ring drilled from drilling working driven in interchamber pillar and designed for drilling and breakage of the latter. Serving as compensation space is undercutting of chambers formed in making pull holes. EFFECT: higher efficiency. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR EXTRACTION OF STEEP-DROPPING AND SLANTING DEPOSITS OF LOWE AND AVERAGE MASSIVENESS | 2004 |
|
RU2254467C1 |
| METHOD OF PREPARING BLOCK FOUNDATION | 0 |
|
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| METHOD OF MINING THICK DEPOSITS OF HARD ORES | 0 |
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| METHOD OF MINING THICK STEEP ORE BODIES | 0 |
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| DEVELOPMENT METHOD OF THICK STEEPLY DIPPING ORE BODIES | 2012 |
|
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| METHOD FOR EXTRACTION OF THIN AND EXTREMELY THIN STEEP-FALLING AND SLANTING DEPOSITS | 2004 |
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| METHOD OF MINING ORE BODIES | 2023 |
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RU2806387C1 |
