›› 2009, Vol. 30 ›› Issue (12): 3825-3830.

• Geotechnical Engineering • Previous Articles     Next Articles

Simulation and analysis of controlling water in tunnel based on preferred plane theory

YU Jun, TONG Li-yuan, LIU Song-yu, TANG Jin-song   

  1. Institute of Geotechnical Engineering, Southeast University, Nanjing 210096, China
  • Received:2008-04-08 Online:2009-12-10 Published:2010-01-18

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Abstract:

Preferred plane theory is used to analyze fault to lead water; and numerical simulation of seepage for rainfall infiltration is employed to explore distribution of seepage field of surrounding rock under extra condition. It is simulated that water volume is changed with the value of the coverage and permeability index of grouted surrounding rock to control leakage volume. The results show that grouted coverage not almost influenced on result while permeability index largely influenced on it; and it is found that fault has an accumulating water role. As if permeability index of grouting surrounding rock is controlled lower than 10-8 m/s, the effect of waterproofing can meet the need of construction and use of the tunnel. The conclusion can present a new idea to predict and cure flood of tunnel.

Key words: rainfall infiltration, seepage, waterproofing, numerical simulation, fault, tunnel, preferred plane

CLC Number: 

  • TU 452
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