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Volume 17 Issue 3
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Lin Baiquan, Zhou Shining. Outburst Preventive Mechanism of Stress Relaxation Groove in Coal Tunnel[J]. Chinese Journal of Geotechnical Engineering, 1995, 17(3): 32-38.
Citation: Lin Baiquan, Zhou Shining. Outburst Preventive Mechanism of Stress Relaxation Groove in Coal Tunnel[J]. Chinese Journal of Geotechnical Engineering, 1995, 17(3): 32-38.
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Outburst Preventive Mechanism of Stress Relaxation Groove in Coal Tunnel

  • China University of Mining and Technology Xuzhou

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  • Published Date: May 25, 1995
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    • Abstract
  • On the basis of elasto-plastic mechanics,similarity theory and rock mechanics,the effect of stress rela-xation groove on the outburst of coal and gas in coal tunnel is discussed in this paper.The analogue experiment hasbeen made in laboratory. The state of stress distribution around coal body can be obtained when stress relaxationgroove of coal tunnel has been developed. The research work shows that the condition of outburst prevention instress relaxation groove of coal tunnel depends on the size of stress relaxation zone.
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