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Control of Shale Roof Deterioration With Air Tempering. Volume I-- field and Laboratory Investigations.

Authors
Cummings-RA; Singh-MM; Sharp-SE; Laurito-AW
Source
NTIS: PB/82-199985 :164 pages
Link
NIOSHTIC No.
10002367
Abstract
Certain roof shales in coal mines deteriorate upon exposure to the atmosphere, causing difficulties in the mining operations and adding to the cost. This report presents the results of field investigations in a West Virginia mine and laboratory studies on the effects of atmospheric moisture on roof shales. Based on these observations, a conceptual procedure is presented on how shale deterioration might be predicted during exploration. Guidelines are given detailing how air tempering or conditioning chambers may be designed to reduce moisture effects. Recommendations for further studies are included.
Publication Date
19810101
Document Type
CP; Final Contract Report;
Fiscal Year
1981
NTIS Accession No.
PB82-199985
NTIS Price
A09
Identifying No.
OFR 41(1)-82
NIOSH Division
PRC;
Source Name
NTIS: PB/82-199985
State
WV;
Performing Organization
Engineers International Inc.
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