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The Diagnosis and Reduction of Mine Roof Failure.

Authors
Moebs-NN; Stateham-RM
Source
Coal Min Pt 1 1985 Feb; :52-55; Pt. 2, 1985 Mar :42-48
Link
NIOSHTIC No.
10007046
Abstract
Coal mine roof falls can be categorized according to character, trend, or pattern of occurrence. These U.S. Bureau of Mines articles propose two principal categories--geology-related and stress-related failure--and a number of subcategories. Then, by reflecting the probable cause of failure, each subcategory can suggest an appropriate technique for reducing the incidence of failure. Depending on local conditions, these control techniques may include supplementary support, destresing, or reduction of mine air humidity.
Publication Date
19850201
Document Type
OP;
Fiscal Year
1985
NTIS Accession No.
NTIS Price
Identifying No.
OP 139-89
NIOSH Division
PRC;
Source Name
Coal Min., Pt. 1, Feb. 1985, PP. 52-55; Pt. 2, Mar. 1985, PP. 42-48
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