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Bulkhead for facilitating backfilling of a stope upon mining thereof
A bulkhead for use in facilitating backfilling of a stope upon mining thereof includes a skid having a base and a pair of post members extending upwardly from the base. The bulkhead also includes a barrier having a primary grid assembly pivotally supported on the pair of post members, at least one secondary grid assembly selectively, and sequentially, stacked upon the primary grid assembly; and a brace selectively stacked upon an uppermost one of the primary grid assembly and the at least one secondary grid assembly. An aspect ratio of the barrier, prior to, backfilling, is operably adjustable by individually adjusting one or more of the primary grid assembly, the secondary grid assembly and the brace to confirm with an aspect ratio of an access tunnel, or a brow, adjacent to the stope for subsequently facilitating backfilling of the stope.
Bulkhead for facilitating backfilling of a stope upon mining thereof
A bulkhead for use in facilitating backfilling of a stope upon mining thereof includes a skid having a base and a pair of post members extending upwardly from the base. The bulkhead also includes a barrier having a primary grid assembly pivotally supported on the pair of post members, at least one secondary grid assembly selectively, and sequentially, stacked upon the primary grid assembly; and a brace selectively stacked upon an uppermost one of the primary grid assembly and the at least one secondary grid assembly. An aspect ratio of the barrier, prior to, backfilling, is operably adjustable by individually adjusting one or more of the primary grid assembly, the secondary grid assembly and the brace to confirm with an aspect ratio of an access tunnel, or a brow, adjacent to the stope for subsequently facilitating backfilling of the stope.
Bulkhead for facilitating backfilling of a stope upon mining thereof
KINGSLEY JOLLAN (author)
2022-11-17
Patent
Electronic Resource
English
IPC:
E21C
Bergbau oder Steinbruchbetrieb
,
MINING OR QUARRYING
/
E02D
FOUNDATIONS
,
Gründungen
/
E21D
SHAFTS
,
Schächte
/
E21F
Sicherheitsvorrichtungen, Förderung, Auffüllen oder Bergversatz, Rettungswesen, Bewetterung oder Entwässerung in oder von Gruben oder Tunnels
,
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS
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