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Keeping tabs on roof pressure changes in underground coal mines.

Authors
Bauer-ER; Chekan-GJ
Source
Coal Age 1986 Jun; 91(6):1
NIOSHTIC No.
10010808
Abstract
The U.S. Bureau of Mines has developed a simple and effective instrument for measuring mining-induced pressure changes in coal mine roof and pillars. The system, which is easy to fabricate and install, has been used successfully to (1) measure roof tension and pillar load transfer associated with in-mine subsidence from the mining of multiple coal seams, (2) monitor pillar pressures, during retreat mining, and (3) verify the beam effect of mine roof near clastic dikes and roof cutters. Other possible uses include coal mine bump investigations, measurement of gate road and abutment pressures associated with longwall mining, and investigation of roof problems created by geologic anomalies.
CODEN
COLAA7
Publication Date
19860601
Document Type
OP; Journal Article
Fiscal Year
1986
NTIS Accession No.
NTIS Price
Identifying No.
OP 190-91
Issue of Publication
6
ISSN
0009-9910
NIOSH Division
PRC
Source Name
Coal Age
State
PA
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