›› 2006, Vol. 27 ›› Issue (3): 487-490.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Numerical analysis of freezing soil curtain of tunnel connected aisle

WU Ya-jun1,2, YANG Min1,2, LI Da-yong3   

  1. 1.Key Laboratory of Geotechnical Engineering, Tongji University, Shanghai 200092, China; 2.Department of Geotechnical Engineering, School of Civil Engineering, Tongji University, Shanghai 200092, China; 3.College of Civil & Architecture Engineering, Shandong University of Science & Technology, Qingdao 266510, China
  • Received:2004-07-19 Online:2006-03-10 Published:2013-11-06

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Abstract: The deformation and stress of freezing soil curtain are analyzed by numerical method during the construction of connected aisle at Dalian Road tunnel; and the stability of freezing soil curtain is also evaluated. The distribution laws for displacements and stresses of freezing soils due to the excavating soil are also discussed in detail. Based on the above research, the most dangerous positions of freezing soil curtain lie in the interface between the soil curtain and the built tunnels. It should be noticed more carefully during construction due to the worse effect of freezing here. For alike projects such as freezing soil curtain in Shanghai, the freezing soil curtain with 1.8m thickness can satisfy the demands of construction. Therefore, this paper could be available for the construction of the connected aisle in theory and practice.

Key words: Dalian road tunnel, connected aisle, freezing method, freezing soil curtain, numerical analysis, FLAC3D

CLC Number: 

  • U 456
  • 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.
  • 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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