›› 2018, Vol. 32 ›› Issue (5): 480-483.

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Evaluation of the Rehabilitation of a Creeping Mountain Tunnel Using Micropiles

SU Xingju   

  1. (Fujian Zhanglong Section, Xiarong Expressway Expansion Project Co., Ltd., Longyan 364000)
  • Received:2018-06-04 Revised:2018-06-26 Online:2018-10-30 Published:2018-11-02

Abstract: The creeping hazards of mountain tunnels are reviewed in this paper. The micropile was used as rehabilitation method based on the project need with the combination of diverting the groundwater, and grouting around the tunnel. Both the numerical analysis and the construction monitoring results indicates that the micropile rehabilitation was effective and the creeping movement of the tunnel has converged.

Key words: Micropile Groups, Rehabilitation, Creeping Slopes