Structural Engineering and Mechanics

  • 제61권5호
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  • Pages.593-603
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  • 2017
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Nonlinear simulation of tunnel linings with a simplified numerical modelling

  • Zhao, Huiling (State Key Laboratory for Hazard Reduction in Civil Engineering, Tongji University) ;
  • Liu, Xian (State Key Laboratory for Hazard Reduction in Civil Engineering, Tongji University) ;
  • Bao, Yihai (Department of Civil and Environmental Engineering, University of California) ;
  • Yuan, Yong (State Key Laboratory for Hazard Reduction in Civil Engineering, Tongji University)
  • 투고 : 2015.06.05
  • 심사 : 2016.10.25
  • 발행 : 2017.03.10
⟨ 이전 논문 다음 논문 ⟩

초록

A high-efficiency simplified modelling approach is proposed for investigating the nonlinear responses of reinforced concrete linings of shield tunnels. Material and geometric nonlinearities are considered in the analysis of the lining structures undergoing large deformation before ultimately losing the load-carrying capacity. A beam-spring element model is developed to capture the force-transfer mechanism between lining segments and radial joints. The developed model is validated by comparing analyzed results to experimental results of a single-ring lining structure under two loading conditions: the ground overloading and the lateral unloading respectively. The results show that the lining structure under the lateral unloading due to excavation on the both sides of the tunnel is more vulnerable compared to the case of ground overloading on the top of the tunnel. A parameter study is conducted and results indicate that the lateral pressure coefficient has the greatest influence on the behaviour of the lining structure.

키워드

과제정보

연구 과제 주관 기관 : National Natural Science Foundation of China, Tongji University

참고문헌

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  8. Tiberti, G., Plizzari, G.A., Walraven, J.C. and Blom, C.B.M. (2008), "Concrete tunnel segments with combined traditional and fiber reinforcement", Proceedings of the fib 2008 Symposium, Tailor Made Concrete Structures, Amsterdam, The Netherlands.
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피인용 문헌

  1. Investigation of the structural effect induced by stagger joints in segmental tunnel linings: Direct insight from mechanical behaviors of longitudinal and circumferential joints vol.71, 2018, https://doi.org/10.1016/j.tust.2017.08.030
  2. Ultimate load-carrying capacity of the longitudinal joints in segmental tunnel linings vol.18, pp.5, 2017, https://doi.org/10.1002/suco.201600070
  3. On a nonlinear hybrid method for multiscale analysis of a bearing-capacity test of a real-scale segmental tunnel ring pp.03639061, 2019, https://doi.org/10.1002/nag.2894
  4. Dynamic responses of shield tunnel structures with and without secondary lining upon impact by a derailed train vol.65, pp.6, 2018, https://doi.org/10.12989/sem.2018.65.6.741
  5. Study on Internal Force of Tunnel Segment by Considering the Influence of Joints vol.2020, pp.None, 2020, https://doi.org/10.1155/2020/1020732
  6. Refined three‐dimensional numerical model for segmental joint and its application vol.21, pp.4, 2017, https://doi.org/10.1002/suco.201900550