FIELD: mining industry. SUBSTANCE: method for damping air shock waves consists in removal of shields after their application. This is realized by destruction of shield attachment to working arch by explosion. Electric detonators destroying shield attachment are wired with electric detonators of blasthole charges in one circuit. EFFECT: higher efficiency. 2 dwg
Title | Year | Author | Number |
---|---|---|---|
METHOD OF SUPPRESSING AIR SHOCK WAVE | 1995 |
|
RU2095577C1 |
DEVICE FOR LOCALIZATION OF EXPLOSIVE DESTRUCTION AREA | 1995 |
|
RU2100774C1 |
METHOD OF DRILLING AND BLASTING OPERATIONS IN ROCK WORKINGS | 1997 |
|
RU2115088C1 |
DEVICE FOR ATTENUATION OF SHOCK WAVES AT UNDERWATER BLASTS | 1996 |
|
RU2098748C1 |
BLAST-DAMPING BULKHEAD | 1999 |
|
RU2165025C1 |
ARRANGEMENT FOR SUPPRESSION OF SHOCK WAVES AT UNDERWATER EXPLOSIONS | 1995 |
|
RU2087846C1 |
METHOD OF BLASTING OPERATIONS | 1996 |
|
RU2111451C1 |
METHOD OF BLASTING OPERATIONS IN GASSY MINES | 1996 |
|
RU2114389C1 |
BULKHEAD | 1999 |
|
RU2165026C1 |
METHOD OF INERT MEDIUM FORMATION | 1998 |
|
RU2147686C1 |
Authors
Dates
1995-01-20—Published
1992-06-03—Filed