FIELD: mining.
SUBSTANCE: location of first queue wells is shifted in relation to last queue wells of the previous blast of current horizon and wells of higher horizon, and the location of next queue wells is shifted in relation to wells of previous blast of higher horizon.
EFFECT: increase of drilling-and-blasting operations effectiveness ensured by decrease of wells waste due to rock falling, improvement of rock crushing quality and bench toe working out.
3 tbl, 4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF BLASTING OF ROCK MASS | 2011 |
|
RU2475698C2 |
| METHOD TO PERFORM BLAST-HOLE DRILLING | 2011 |
|
RU2498211C2 |
| DRILLING-AND-BLASTING JOBS | 2012 |
|
RU2521629C2 |
| METHOD FOR BENCH MINING OF ROCK MASS IN STEEPLY DIPPING MARGINAL ZONE | 1987 |
|
RU1478774C |
| METHOD FOR SLOPING OF BENCHES | 1991 |
|
RU2068094C1 |
| METHOD FOR BLASTING OF ROCKS IN OPEN PITS | 2008 |
|
RU2382327C1 |
| METHOD FOR DEVELOPMENT OF ROCKS IN OPEN PIT RECONSTRUCTION | 2009 |
|
RU2395688C1 |
| METHOD FOR EXTRACTING MINERAL RESOURCES DEPOSITS | 2003 |
|
RU2241119C1 |
| METHOD OF MINING BENCHES IN QUARRY | 0 |
|
SU1518651A1 |
| METHOD OF ROCKS WORKING IN OPENCAST RECONSTRUCTION | 2001 |
|
RU2192544C2 |
