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Design Criteria for Roof Bolting Plans Using Fully Resin-grouted Nontensioned Bolts to Reinforce Bedded Mine Roof. Volume 2 - Field Survey.

Authors
Gerdeen-JC; Snyder-VW; Viegelahn-GL; Parker-J
Source
NTIS: PB/80-180060 :167 pages
Link
NIOSHTIC No.
10001002
Abstract
This report presents field surveys obtained during visits to 38 mines, in the United States and abroad, 4 resin manufacturers, universities, and other research facilities to gain knowledge of roof control problems, the use of resin bolting to overcome those problems, and the shortcomings of resin bolting.
Publication Date
19770101
Document Type
CP; Final Contract Report;
Fiscal Year
1977
NTIS Accession No.
PB80-180060
NTIS Price
A09
Identifying No.
OFR 46(2)-80
NIOSH Division
PRC;
Source Name
NTIS: PB/80-180060
State
MI;
Performing Organization
Michigan Technological Univ.
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