FIELD: mining industry.
SUBSTANCE: method includes drilling wells on upper and lower shelf areas, placing rope on slope, anchoring rope ends in wells, tensioning ropes. Also sub-slopes are additionally reinforced, for which purpose rope ends are anchored in wells during reinforcing of sub-slopes, which wells are drilled on upper area of shelf and into slope slant from lower sub-slopes areas.
EFFECT: higher safety, higher durability of slopes.
6 cl, 1 tbl, 4 dwg
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Authors
Dates
2004-10-27—Published
2002-11-18—Filed