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J4 ›› 2010, Vol. 18 ›› Issue (5): 52-54.

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The Study of Microseismic Monitoring on Rock Failure and Disaster-induced in Gold Mining Undersea

BI Hongtao1,WANG Cunwen2,LI Wei3   

  1. 1.Shandong Gold Group Co.,Ltd.,Laizhou 261400,Shandong,China;
    2.Beijing University of Science and Technology,Beijing 100083,China;
    3.Sanshandao Gold Mine,Shandong Gold Group Co.,Ltd.,Laizhou 261442,Shandong,China
  • Received:2010-09-20 Revised:2010-09-30 Online:2010-10-28 Published:2012-05-23

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Abstract:

Sanshandao gold mine is an unique undersea gold mine.Gold mining undersea faces threats,such as stope rock breaks,hard bolt,unsteady hanging wall resulting in water-inrush tunnels,or even mine flooding caused by sea drainage.The microseism monitoring technology can dynamically monitor the stability of the surrounding rocks of stopes and hanging walls in real time,thus achieving assessment,prediction,and prewarning purposes.This thesis provides the evidence for selecting the microseism monitoring system.Additionally,based on the actual situation of the Sanshandao gold mine,this thesis introduces how to deploy the microseism monitoring system,analyze the monitored data,and further assess the stability of hanging walls of Sanshandao gold mine.

Key words: Seabed mining, Microseismic monitoring, Rock failure, Water inrush

CLC Number: 

  • TD853

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