Electromagnetic Radiation from Coal Rock Failure in Underground Coalmines

Electromagnetic radiation (EMR) has been noted to occur in conjunction with the deformation and fracturing of coal on scales from local failure to overall collapse. The EMR signals are recorded during coal rock deformation and fracturing. When monitored, these signals can be used to qualitatively ev...

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Published in:Physics in Canada 2018-07, Vol.74 (3/4), p.104
Main Authors: Song, Dazhao, He, Xueqiu, Wang, Enyuan, Li, Zhenlei, Cai, Ming
Format: Article
Language:English
Subjects:
Coal mines
Coal mining
Deformation
Electromagnetic radiation
Electromagnetics
Mining accidents & safety
Radiation
Rocks
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creator Song, Dazhao
He, Xueqiu
Wang, Enyuan
Li, Zhenlei
Cai, Ming
description Electromagnetic radiation (EMR) has been noted to occur in conjunction with the deformation and fracturing of coal on scales from local failure to overall collapse. The EMR signals are recorded during coal rock deformation and fracturing. When monitored, these signals can be used to qualitatively evaluate the stress state of coal rock and become part of the tool box used to estimate coal rock dynamic disasters in underground coalmines.
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source Alma/SFX Local Collection
subjects Coal mines
Coal mining
Deformation
Electromagnetic radiation
Electromagnetics
Mining accidents & safety
Radiation
Rocks
title Electromagnetic Radiation from Coal Rock Failure in Underground Coalmines
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