METHOD FOR SUPPORTING MINE WORKINGS WITH COMBINED SUPPORT Russian patent published in 1995 - IPC

Abstract RU 2032078 C1

FIELD: mining industry. SUBSTANCE: method involves initial erection of anchor support followed by installation of frame support. The latter is installed at the moment when the anchored rocks become displaced by 0.6-0.65 of the maximum permissible displacement value with an outward thrust equal to 0.9-1.0 of anchor support tension. EFFECT: higher efficiency.

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RU 2 032 078 C1

Authors

Shtumpf G.G.

Anufriev V.E.

Dates

1995-03-27—Published

1992-02-06—Filed