FIELD: mining industry. SUBSTANCE: drilled in sides 2 of working 1 beginning from working face are hollows 3 inclined towards bed floor. Ends of cappings 4 and 5 are introduced into hollows, and their other ends are directed towards each other. Lagging 6 is laid on cappings 4 and 5 and wedged out with wooden blocks 7 to under free ends of cappings 4 and 5, and supporting members 8 and 9 are installed, respectively. Cappings 4 and 5 are installed with their rise to middle of working span. EFFECT: higher efficiency in supporting of working roof due to provision of conditions for regulation of roof load over working outline at the moment of putting the support into service. 7 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD AT FACE DEVELOPMENT BASIC OPENING | 0 |
|
SU1765445A1 |
| METHOD OF LONGWALL DEVELOPMENT FROM BASE OPENING | 0 |
|
SU1694921A1 |
| METHOD OF UNDERGROUND MINING OF BED DEPOSITS | 0 |
|
SU1460266A1 |
| PROTECTION METHOD OF DEVELOPMENT DRIFTS | 2009 |
|
RU2407892C1 |
| FACE-CLEANING COMPLEX FOR COMBINED MINING EXTRACTION | 0 |
|
SU1656135A1 |
| METHOD OF PREPARING TO MINING FLAT-LYING COAL SEAM | 1995 |
|
RU2086765C1 |
| PROTECTION METHOD OF DEVELOPMENT DRIFTS | 2007 |
|
RU2339817C1 |
| METHOD OF MINING THICK GENTLY DIPPING COAL SEAM | 1997 |
|
RU2122115C1 |
| METHOD OF GUARDING OF WORKINGS IN HEAVING SOILS | 1990 |
|
RU2007577C1 |
| METHOD FOR FACE DEVELOPMENT FROM EXCAVATION | 2008 |
|
RU2370648C1 |
