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Cutter roof failure: an overview of the causes and methods for control.

Authors
Hill-JL III
Source
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC 9094, 1986 Jan; :1-27
Link
NIOSHTIC No.
10005282
Abstract
The Bureau of Mines is conducting research on the causes and methods for control of cutter roof failure in underground coal mines. This hazardous ground control problem exposes miners to the danger of falling roof rock and frequently results in massive roof failure. This report outlines the probable causes of cutter roof failure, which are based on field investigations, numerical model analysis, and in-mine observations. Traditional methods of control are presented, as well as innovative methods based on mining concepts developed during earlier years of coal mining history. The report can be useful to a mine operator for assessing the causes of cutter roof failure on a site-by-site basis and for predicting the probability of its occurrence. A process is presented for selecting an optimum control method that includes both traditional and innovative control techniques for each of the various causes of cutter roof failure.
Keywords
Failure; Accident-prevention; Collapse; Rock-mechanics; Cutter-loaders; Control; Hazards; Mining-engineering; Coal-mines; Underground-mining
Publication Date
19860101
Document Type
IH; Information Circular
Fiscal Year
1986
NTIS Accession No.
PB87-116976
NTIS Price
A03
Identifying No.
IC-9094
NIOSH Division
PRC
Source Name
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, IC 9094
State
PA
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