›› 2011, Vol. 32 ›› Issue (4): 1262-1268.

• Testing Technology • Previous Articles     Next Articles

Study of acoustic emission monitoring technology for rockburst

HE Hu1，DOU Lin-ming1，GONG Si-yuan1，ZHOU Peng2，XUE Zai-jun2，HE Jiang1   

  1. 1. State Key Laboratory of Coal Resources and Safe Mining, School of Mines, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China; 2. Huating Coal Mine, Gansu Huating Coal-Eletricity Stock-Corporation, Huating, Gansu 744100, China
  • Received:2010-03-01 Online:2011-04-10 Published:2011-04-29

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Abstract:

The feasibility of the monitoring technology of acoustic emission (AE) accompanying the fracture of coal and rock mass is discussed based on the analysis of coupling relationship between the damage failure and acoustic emission; and then the expression of rockburst risk assessment using acoustic emission index and its determination methods as well as classification of risk rank are put forward. The acoustic emission characteristics of coal samples under uniaxial compression are tested and obtained in the laboratory in order to provide reference for on-site application. Finally, the effects and limitations of Polish ARES acoustic emission system at rockburst mine hazard are analyzed.

Key words: rockburst, acoustic emission, damage, risk assessment

CLC Number: 

  • TD 324
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