Geomechanics and Engineering

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Study on deformation law of surrounding rock of super long and deep buried sandstone tunnel

  • Ding, Lujun (College of Water Resource and Hydropower, Sichuan University) ;
  • Liu, Yuhong (Sichuan College of Architectural Technology)
  • Received : 2017.12.26
  • Accepted : 2018.04.07
  • Published : 2018.09.20
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Abstract

The finite difference software Flac3D is used to study the influence of tunnel burial depth, tunnel diameter and lateral pressure coefficient of original rock stress on the stress and deformation of tunnel surrounding rock under sandstone condition. The results show that the maximum shear stress, the radius of the plastic zone and the maximum displacement in the surrounding rock increase with the increase of the diameter of the tunnel. When the lateral pressure coefficient is 1, it is most favorable for surrounding rock and lining structure, with the increase or decrease of lateral pressure coefficient, the maximum principal stress, surrounding displacement and plastic zone range of surrounding rock and lining show a sharp increase trend, the plastic zone on the lining increases with the increase of buried depth.

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References

  1. Ali, A., Saeed S.M. and Zeynab, R. (2018), "Estimation of geomechanical parameters of tunnel route using geostatistical methods", Geomech. Eng., 14(5), 453-458. https://doi.org/10.12989/GAE.2018.14.5.453
  2. Ardakani, A., Bayat, M. and Javanmard, M. (2014), "Numerical modeling of soil nail walls considering Mohr Coulomb, hardening soil and hardening soil with small-strain stiffness effect models", Geomech. Eng., 6(4), 391-401. https://doi.org/10.12989/gae.2014.6.4.391
  3. Chen, Y.J., Zhu, W.S. and Li, S.C. (2016), "New reinforcement algorithms in discontinuous deformation analysis for rock failure", Geomech. Eng., 11(6), 787-803. https://doi.org/10.12989/gae.2016.11.6.787
  4. Li, T.C., Lu, Z., Liu, J.Z. and Ma, X.Q. (2014), "Deformation and failure process analysis of rectangular roadway in muddy weakly cemented soft rock strata", Rock Soil Mech., 35(4), 1077-1084.
  5. Li, Y.H., Lin, Z.B. and Yu, J. (2016), "Experimental study of deformation laws of surrounding rock in deep circular roadway using transparent rock", J. China Univ. Min. Technol., 45(6), 1104-1110.
  6. Liu, C., Ding, W.Q., Tan, S., Huang, Y.L. and Guo, H.Y. (2016), "Application of the control method for deformation of weak surrounding rock during the construction of tunnel entrance", Chin. J. Undergr. Sp. Eng., 12, 743-765.
  7. Liu, D. and Chen, X.P. (2015), "Shearing characteristics of slip zone soils and strain localization analysis of a landslide", Geomech. Eng., 68(1), 33-52.
  8. Liu, D.S. (2015), "Experimental method and analysis of shear strength of rock body", Chin. J. Undergr. Sp. Eng., 11, 443-446.
  9. Liu, W.R., Peng, C., Li, C.M., Yin, Z.Q., Li, Y. and Zhu, C.Q. (2015), "Stability analysis of surrounding rock of deep underground tunnel", China Saf. Sci. J., 25(5), 120-125.
  10. Ma, R., Li, G.C., Zhang, N. and Liu, C. (2015), "Analysis on mechanism and key factors of surrounding rock instability in deeply inclined roadway affected by argillation and water seepage", Int. J. Min. Sci. Technol., 25(3), 465-471. https://doi.org/10.1016/j.ijmst.2015.03.022
  11. Malkowski, P. (2015), "The impact of the physical model selection and rock mass stratification on the results of numerical calculations of the state of rock mass deformation around the roadways", Tunnel. Undergr. Sp. Technol., 50, 365-375. https://doi.org/10.1016/j.tust.2015.08.004
  12. Nikadat, N. and Marji, M.F. (2016), "Analysis of stress distribution around tunnels by hybridized FSM and DDM considering the influences of joints parameters", Geomech. Eng., 11(2), 269-288. https://doi.org/10.12989/gae.2016.11.2.269
  13. Sheng, Q.Y., Miao, C. and Hong, W.J. (2017), "A case study on large deformation failure mechanism of deep soft rock roadway in Xin'An coal mine, China", Eng. Geol., 217, 89-101. https://doi.org/10.1016/j.enggeo.2016.12.012
  14. Siddiquee, M.S.A., Islam, M.S. and Tatsuoka, F. (2013), "Development of a nonlinear model for soft rock and its applications", Geotech. Geol. Eng., 31(2), 627-45. https://doi.org/10.1007/s10706-013-9613-y
  15. Su, D.Z. and Luo, J.J. (2016), "Experimental study and prediction on large section tunnel construction deformation of surrounding rock in soft ground", Chin. J. Rock Mech. Eng., 35, 4029-4038.
  16. Wang, J.J., Steven, N.W. and Xiao, L.L. (2015), "Numerical simulation of the December 4, 2007 landslide-generated tsunami in Chehalis Lake, Canada", Geophys. J. Int., 201(1), 372-376. https://doi.org/10.1093/gji/ggv026
  17. Xie, H.P., Peng, R.D. and Ju, Y. (2004), "Energy dissipation of rock deformation and fracture", Chin. J. Rock Mech. Eng., 23(21), 3565-3570.
  18. Yoo, C. (2016), "Effect of spatial characteristics of a weak zone on tunnel deformation behavior", Geomech. Eng., 11(1), 41-58. https://doi.org/10.12989/gae.2016.11.1.041
  19. Yu, Y.X., Chen, B.P., Zhang, T. and Zhang, J. (2017), "Back analysis on deformation and failure zone distribution laws of surrounding rock in deep-buried soft rock tunnel", J. Railw. Eng. Soc., 34(3), 46-52.
  20. Zhu, H.H., Ye, B., Cai, Y.C. and Zhang, F. (2013), "An elastoviscoplastic model for soft rock around tunnels considering overconsolidation and structure effects", Comput. Geotech., 50, 6-16. https://doi.org/10.1016/j.compgeo.2012.12.004

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