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LUO Yan-bin, CHEN Jian-xun. Calculation method of horizontal surrounding rock pressure for tunnel[J]. Journal of Traffic and Transportation Engineering, 2012, 12(2): 10-17. doi: 10.19818/j.cnki.1671-1637.2012.02.002
Citation: LUO Yan-bin, CHEN Jian-xun. Calculation method of horizontal surrounding rock pressure for tunnel[J]. Journal of Traffic and Transportation Engineering, 2012, 12(2): 10-17. doi: 10.19818/j.cnki.1671-1637.2012.02.002
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Calculation method of horizontal surrounding rock pressure for tunnel

doi: 10.19818/j.cnki.1671-1637.2012.02.002

  • Key Laboratory for Highway Bridge and Tunnel of Shaanxi Province, Chang'an University, Xi'an 710064, Shaanxi, China

Funds:

National Natural Science Foundation of China 51108034

Special Fund for Basic Scientific Research of Central Colleges CHD2011JC029

Technology Project of Ministry of Transport 2007-318-812-68

More Information
  • Author Bio:

    LUO Yan-bin(1980-), Male, Qianyang, Shaanxi, Lecturer of Chang'an University, PhD, Researchon Tunnel and Underground Engineering, +86-29-82334897, lyb@chd.edu.cn

  • Received Date: 2011-11-22
  • Publish Date: 2012-04-25
    Abstract
  • The deformation feature of middle wall for tunnel during construction was analyzed, the inner relationship between the deformation and the horizontal load was studied, and a new calculation method of horizontal surrounding rock pressure for tunnel was proposed.In the method, the analysis theory of structural mechanics was adopted to establish the relationship, in which the pressure was obtained by utilizing the monitoring deformations of middle wall.The pressure of V grade surrounding rock of shallow-buried soil tunnel in Tianhengshan is 110 kPa gained by the new method, and its range is 88-145 kPa gained by the Xie Jia-xiao method.When the friction angle of surrounding rock is 45° taken by the Xie Jia-xiao method, the pressure is 115 kPa and is close to the value computed by the new method, and their difference is 5 kPa, which proves that the new method is feasible.

     

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    • References(15)
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