Prevention Logic of Rock Burst for Brittle Rock under High Geo-Stress

Guo Qing Chen; Guo Shao Su; Tian Bin Li

doi:10.4028/www.scientific.net/AMR.261-263.1484

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Study of Analytical Solution on Starting Shaft Disaster in Shield Launching
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Experimental Study on Timeliness of Pullout Force of Grouting Soil Nailing
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Prevention Logic of Rock Burst for Brittle Rock under High Geo-Stress
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Study on the Slope Stability Based on Catastrophe Theory
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The Transient Electromagnetic Response Characteristics of Unfavorable Geological Bodies in Tunnels
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 261-263Prevention Logic of Rock Burst for Brittle Rock...

Prevention Logic of Rock Burst for Brittle Rock under High Geo-Stress

Abstract:

Rock burst hazard is the main problem of hard rock deep tunnel under high ground stress conditions. The prevention logic of prevention and control of rock burst is proposed by combining local energy release rate index based on the brittle Hoek-Brown model. Stress releasing holes are adopted to lead some energy to release actively and eliminate burst potential of rock burst. Supporting opportunity and parameters were studied by contrasting the magnitude of released energy in FLAC3D numerical software, and then the prevention logic of rock burst is presented. Stress releasing holes relieve stress concentration of the working face, transfer the stress to the deep and reduce the risk of rock burst near the working face. At last, the prevention and control of rock burst for sinping II Hydropower tunnel was analyzed, the results are in good agreement with the actual situations. The proposed method could benefit other deep tunnel projects which have brittle failure.

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Periodical:

Advanced Materials Research (Volumes 261-263)

Pages:

1484-1488

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.261-263.1484

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Online since:

May 2011

Authors:

Guo Qing Chen, Guo Shao Su, Tian Bin Li

Keywords:

Hard Rock, High Geo-Stress, Rock Burst, Stress Relax Holes, Support Logic

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References

[1] Q. Jiang, X. T. Feng, T. B. Xiang: Bulletin of Engineering Geology and the Environment, Vol. 69(2010), p.381–388.

Google Scholar

[2] Peter K Kaiser, D D Tannnant, D R McCreat: Canadian Rockburst Support Handbook. Geomechanics Research Centre, (1996).

Google Scholar

[3] Wang T. A, Park H. D: Tunnelling and Underground Space Technology, Vol. 16(2001), pp.49-57.

Google Scholar

[4] N. N. Mel'nikov, À. À. Êîzyrev, S. N. Savchenko: Journal of Mining Science, Vol. 37(2001), pp.354-366.

Google Scholar

[5] Dou L. M, Lu C. P, Mu Z. L: Mining Science and Technology , Vol. 19(2009), pp.585-591.

Google Scholar

[6] Zhu Q. H, Lu W. B, Sun J. S: Mining Science and Technology, Vol. 19(2009), pp.346-351.

Google Scholar

[7] Xie H.P, Ju Y, Li L.P: Chinese Journal of Rock Mechanics and Engineering, Vol. 24(2005), p.3003–3010.

Google Scholar

[8] Diederichs, M. S: Canadian Geotechnical Journal, Vol. 44(2007), pp.1082-1116.

Google Scholar

[9] St-Pierre L, Hassani F. P, Radziszewski P. H: International Journal of Rock Mechanics and Mining Sciences, Vol. 46(2009), pp.107-114.

DOI: 10.1016/j.ijrmms.2008.05.005

Google Scholar