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Original Articles

Stability Assessment of a Tunnel above Coal Mined Cavities Through Geotechnical Investigation

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Pages 33-38 | Received 10 Sep 2004, Accepted 20 Oct 2004, Published online: 04 Sep 2012

REFERENCES

  • Bieniawski , Z. T. 1989 . Engineering rock mass classifications 51 – 63 . John Wiley & Sons .
  • Coal Industry Promotion Board . 319 Investigation of ground stability in Munkyong area, pp. (in Korean)
  • Im , S. B. , Lee , C. B. and Kim , D. S. 1993 . “ Survey of geology and coal in Samchok and Bekbyongsan area (XI) ” . In KIGAM Report, KR-92–6A-1, pp.101, (in Korean)

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