Structural Engineering and Mechanics

  • 제29권1호
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  • Pages.1-16
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  • 2008
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Numerical modeling of coupled structural and hydraulic interactions in tunnel linings

  • Shin, J.H. (Department of Civil Engineering, Konkuk University)
  • 투고 : 2007.11.20
  • 심사 : 2008.03.11
  • 발행 : 2008.05.10
⟨ 이전 논문 다음 논문 ⟩

초록

Tunnels are generally constructed below the ground water table, which produces a long-term interaction between the tunnel lining and the surrounding geo-materials. Thus, in conjunction with tunnel design, the presence of water may require a number of considerations such as: leakage and water load. It has been reported that deterioration of a drainage system of tunnels is one of the main factors governing the long-term hydraulic and structural lining-ground interaction. Therefore, the design procedure of an underwater tunnel should address any detrimental effects associated with this interaction. In this paper an attempt to identify the coupled structural and hydraulic interaction between the lining and the ground was made using a numerical method. A main concern was given to local hindrance of flow into tunnels. Six cases of local deterioration of a drainage system were considered to investigate the effects of deterioration on tunnels. It is revealed that hindrance of flow increased pore-water pressure on the deteriorated areas, and caused detrimental effects on the lining structures. The analysis results were compared with those from fully permeable and impermeable linings.

키워드

참고문헌

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피인용 문헌

  1. Effects of tunnel shapes in structural and hydraulic interaction vol.18, pp.3, 2014, https://doi.org/10.1007/s12205-014-1325-1
  2. Hydro-mechanical interaction analysis of high pressure hydraulic tunnel vol.47, 2015, https://doi.org/10.1016/j.tust.2014.12.004
  3. A Study on the Lining Stability of Old Tunnel Using Groundwater Flow Modelling and Coupled Stress-Pore Water Pressure Analysis vol.28, pp.4, 2012, https://doi.org/10.7843/kgs.2012.28.4.101
  4. Behavior of double lining due to long-term hydraulic deterioration of drainage system vol.52, pp.6, 2014, https://doi.org/10.12989/sem.2014.52.6.1257
  5. Performance tests of geotextile permeability for tunnel drainage systems vol.18, pp.3, 2014, https://doi.org/10.1007/s12205-014-0753-2
  6. Review on the buoyancy effect of the multi purpose double-deck tunnels during operation vol.17, pp.6, 2015, https://doi.org/10.9711/KTAJ.2015.17.6.623
  7. Hydraulic deterioration of geosynthetic filter drainage system in tunnels – its impact on structural performance of tunnel linings vol.23, pp.6, 2016, https://doi.org/10.1680/jgein.16.00010
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  10. Full-scale testing and modeling of the mechanical behavior of shield TBM tunnel joints vol.45, pp.3, 2008, https://doi.org/10.12989/sem.2013.45.3.337
  11. Influence of TBM operational parameters on optimized penetration rate in schistose rocks, a case study: Golab tunnel Lot-1, Iran vol.22, pp.2, 2018, https://doi.org/10.12989/cac.2018.22.2.239