›› 2006, Vol. 27 ›› Issue (2): 327-331.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Analysis of influence of steel tube pre-reinforced construction on tunnel rock deformation

LI Song-bai1, FANG Li-gang1, LI Hong-quan2   

  1. 1. Department of Civil Engineering, Central South University, Changsha 410075, China; 2. Hunan Provincial Design Institute for Communications Planning & Survey, Changsha 410008, China
  • Received:2004-06-29 Online:2006-02-10 Published:2013-10-25

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Abstract: In the entrance zone of the tunnel with fleet mantle soil, loose and unstable wall rock, many slits appeared during the excavation. Through comparing several schemes, steel tube-grouting was adopted to reinforce the wall rock and the foundation of the tunnel. While grouting construction began, excavation also carried through inside the tunnel. This will unavoidably affect the stability and safety of the tunnel. Therefore, a practical project is offered and the monitoring data are analysed under the circumstance of several working procedure affected each other. Some preliminary conclusions are drawn.

Key words: grouting reinforcement, tunnel excavation, monitoring, wall rock deformation

CLC Number: 

  • TV 554
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
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