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Quick-fix Blowout Stoppings for Hardrock Mines.

Authors
Thimons-ED; Kissell-FN
Source
NTIS: PB 261 328 :8 pages
Link
NIOSHTIC No.
10000742
Abstract
The Bureau of Mines developed a stopping design that allows the stopping to be blown down by strong blast forces without incurring any permanent damage. Trials with the new stopping, dubbed the quick-fix blowout stopping, have been conducted in the Bureau's safety research coal mine at Bruceton, Pennsylvania, and in two New Mexico uranium mines. Results have been favorable in all cases. Compared with conventional brattice stoppings or wood bulkheads, the quick- fix blowout stopping is easier and less time consuming to install, is easier to maintain, and in most cases is just as efficient an air barrier. There is some indication that the shape of the stoppings makes it more resistant to blast forces than the fabric stoppings now in use.
Publication Date
19760101
Document Type
IH;
Fiscal Year
1976
NTIS Accession No.
PB-261328
NTIS Price
A02
Identifying No.
TPR 100
NIOSH Division
PRC;
Source Name
NTIS: PB 261 328
State
NM; PA;
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