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Rockburst Prediction Based on Electromagnetic Radiation Technology and its Application
Abstract:
Rock bursts are serious threats to safety and production in coalmines, which are becoming more serious with the increase in mining intensity and depth. Electromagnetic radiation (EMR) always occurs along with coal rock deformation and fracture. EMR monitoring technique, the method using the short period changes of EMR signals before rock burst, has been widely applied to monitor and predict rock burst. This paper mainly studied the relationship of EMR generated by coal rock mass to applied loads and monitored the working face and roadways of coalmine by monitoring instrument, the results show that the EMR monitoring method has excellent performance in predicting rock burst.
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Pages:
1564-1567
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Online since:
August 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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