IEEE - Institute of Electrical and Electronics Engineers, Inc. - Remnant roof coal thickness measurement with passive gamma ray instruments in coal mines

Author(s): S.L. Bessinger ; M.G. Nelson
Sponsor(s): IEEE Industry Applications Society
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 May 1993
Volume: 29
Page Count: 4
Page(s): 562 - 565
ISSN (Paper): 0093-9994
ISSN (Online): 1939-9367
DOI: 10.1109/28.222427
Regular:

The need to leave coal on the roof of a mined-out area occurs on both continuous miner and longwall sections and is derived from considerations of ground control, quality control, machine... View More

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