Tunnel and Underground Space (터널과지하공간)

Korean Society for Rock Mechanics and Rock Engineering (한국암반공학회)
권호 표지

A Study on the Support Design for Underground Excavation Based on the Rock-Support Interaction Analysis

암반-지보 거동분석에 의거한 지하굴착 지보설계에 관한 연구

  • 김혁진 (한국종합기술개발공사 지반부) ;
  • 조태진 (부경대학교 응용지질학과) ;
  • 김남연 (베이시스컨설트(주))
  • Published : 1997.03.01
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Abstract

Engineering rock mass classification is extensively used to determine the reasonable support system throughout the tunneling process in the field. Selection of support system based on the results of engineering rock mass classification is simple and straight-forward. However, this method cannot consider the effect of in-situ stresses, mechanical properties of support material, and support installation time on the behavior or rock-support system To handle the various conditions encountered in the underground excavation sites rock-support system. To handle the various conditions encountered in th eunderground excavation sites rock-support interaction program has been developed. This program can analyze the interaction between rock mass and support materials and also can simulate the tunnel excavation-support insstallation process by controlling the support installation time and the stiffness of support system. Practical applicability of this program was verfied by comparing the results of support design to those from rock mass classification for virtual underground excavation at the drilling site KD-06 in Geoje island.

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References

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