Precursor Laws of Electromagnetic Radiation for Roadway Bump at 25110 Working Face in Yuejin Mine
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Graphical Abstract
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Abstract
The electromagnetic radiation(EMR) technology can forecast rock burst.Aiming at the problem that rock burst happens frequently in Yuejin mine,using the method of electromagnetic radiation prediction,the precursor information of electromagnetic radiation signal at working face somewhere is studied in detail.The precursor information of rock burst is obtained and the effect of pressure release blasting is tested.
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