FIELD: mining industry. SUBSTANCE: loosening of strong rocks is accomplished by their breaking, and lumps of rock mass are placed into blasthole, and then, anchor stem is screwed in broken rock mass. EFFECT: higher efficiency. 4 cl, 4 dwg
Title | Year | Author | Number |
---|---|---|---|
METHOD OF ANCHOR INSTALLATION | 0 |
|
SU1716154A1 |
METHOD FOR INSTALLATION OF POLYMER ANCHOR | 1991 |
|
RU2018685C1 |
SCREW-IN ANCHOR | 0 |
|
SU1716158A1 |
METHOD FOR ANCHOR INSTALLATION | 1990 |
|
RU2009327C1 |
METHOD OF CONTROLLING FLOOR HEAVING IN MINE WORKINGS | 0 |
|
SU1751349A1 |
METHOD FOR SECURING TUBULAR ANCHOR STEM IN BLASTHOLE | 0 |
|
SU1828929A1 |
METHOD FOR ANCHOR PLACING | 0 |
|
SU1809093A1 |
TUBULAR ANCHOR | 0 |
|
SU1712624A1 |
0 |
|
SU1781440A1 | |
METHOD FOR PROFILED BREAKING OF ROCKS | 1991 |
|
RU2023878C1 |
Authors
Dates
1994-08-15—Published
1990-11-14—Filed