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Development of beam-spring model to analyse the stability of double-deck tunnel

복층터널 안정성 분석을 위한 빔-스프링 모델 개발

  • 이상현 (인하대학교 토목공학과) ;
  • 안준상 (인하대학교 토목공학과) ;
  • 강경남 (인하대학교 토목공학과) ;
  • 김병찬 ((주)베이시스소프트 건설IT연구소) ;
  • 송기일 (인하대학교 토목공학과)
  • Received : 2017.03.17
  • Accepted : 2017.03.27
  • Published : 2017.03.31

Abstract

In this study, as an initial study for development of stability analysis program of a double-deck tunnel during life cycle, a structural analysis solver based beam-spring model for the double-deck tunnel is constructed. Effect of parameters(slab supporting type, depth of the tunnel and ground elastic modulus) is analyzed with the beam-spring model. The model is also compared and verified by commercial structural analysis program. It is considered that the slab supporting type affects the integrated behavior with segment lining and influence of intermediate slab on the stability of the tunnel decreases as the tunnel depth increases. The relationship between the ground elastic modulus and the effect of the intermediate slab on the segment lining needs further investigation.

Acknowledgement

Grant : 대심도 복층터널 설계 및 시공기술개발

Supported by : 국토교통과학기술진흥원

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