FIELD: mining.
SUBSTANCE: method to fix mines supported at the mined space border includes arrangement of mines with fixation of their contour by an anchor support, installation of a strengthening support, a waste-edge protective chock, at the same time the strengthening support additionally includes deep-laid anchors, some of which are fixed in rocks that are not involved into active shifts after the first lava, besides, deep-laid anchors are installed upstream the zone of active influence of temporary reference pressure of lava.
EFFECT: less displacement of roof rocks, reduced labour intensiveness and higher safety of works.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| REMOVAL METHOD OF POWERED MINING FACE COMPLEXES | 2007 |
|
RU2384708C2 |
| METHOD OF DRIVING MINE WORKINGS IN MINING OF FLAT-LYING COAL SEAMS | 2000 |
|
RU2183746C2 |
| METHOD OF GUARDING MINE WORKINGS | 0 |
|
SU1573177A1 |
| METHOD OF GUARDING OF WORKINGS IN HEAVING SOILS | 1990 |
|
RU2007577C1 |
| PROCESS OF DEVELOPMENT OF GENTLY DIPPING AND INCLINED COAL FORMATIONS WITH USE OF CLEANING POWERED COMPLEXES | 2001 |
|
RU2200840C2 |
| METHOD OF MINE WORKING BOLTING | 1999 |
|
RU2160837C2 |
| METHOD OF FULL DEVELOPMENT OF GENTLY SLOPING COAL BEDS WITH POWER-DRIVEN SYSTEMS WITHOUT ANY PREPARATORY MINE WORKINGS | 2010 |
|
RU2444624C1 |
| METHOD FOR SUPPORT OF EXTRACTION DRIFTS | 1994 |
|
RU2069758C1 |
| PROCESS OF WORKING OF COAL SEAMS | 1998 |
|
RU2164293C2 |
| METHOD TO SUPPORT MINES | 2010 |
|
RU2433271C1 |
