Estimation of subsea tunnel stability considering ground and lining stiffness degradation measurements

지반 및 라이닝 열화 계측 정보를 반영한 해저 터널의 안정성 평가

  • An, Joon-Sang (INHA University, Dept. of Civil Engineering) ;
  • Kim, Byung-Chan (HANYANG University, Dept. of Natural Resources and Environmental Engineering) ;
  • Moon, Hyun-Koo (HANYANG University, Dept. of Natural Resources and Environmental Engineering) ;
  • Song, Ki-Il (INHA University, Dept. of Civil Engineering)
  • 안준상 (인하대학교 토목공학과) ;
  • 김병찬 (한양대학교 자원환경공학과) ;
  • 문현구 (한양대학교 자원환경공학과) ;
  • 송기일 (인하대학교 토목공학과)
  • Received : 2016.08.12
  • Accepted : 2016.09.02
  • Published : 2016.09.30


Efficiency for estimation of subsea tunnel safety can be increased through reflecting back analysis algorithm to displacement measurements besides other measurement information such as stress, water pressure and ground stiffness degradation. In this study, the finite difference code FLAC3D built-in FISH language is used. In addition, the stability of the tunnel lining will be evaluated from the development of displacement-based algorithm and its expanded algorithm with conformity of several parameters such as stress measurements, water pressure measurements, tunnel lining degradation measurements and ground stiffness degradation measurements. By using additional measurement information to assess the stability of subsea tunnel, it was confirmed that the error rate is reduced to the tunnel back analysis.


Grant : 고수압 초장대 해저터널 기술자립을 위한 핵심요소 기술개발

Supported by : 국토교통과학기술진흥원


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