›› 2004, Vol. 25 ›› Issue (7): 1102-1106.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Effects of different excavating sequences on mid-partition of double-arched tunnel

WANG Sheng-hui1, DU Xiao-ping2, YUAN Yong1, ZHANG Yong-wu2, DU Guo-ping2, LIU Liang2   

  1. 1.School of Civil Engineering, Tongji University, Shanghai 200092, China; 2.Chongqing Yudong Expressway Company Ltd, Chongqing 400042, China
  • Received:2003-05-10 Online:2004-07-09 Published:2014-07-18

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Abstract: Simulating computation for Shaojiwan double-arched tunnel about two different excavating sequences is carried out; and pays attention to strength, displacement and stability of effects under two excavating sequences. The results show that the mid-partition is a key load-carrying member; the nonsymmetrical excavating will bring eccentrically loads on the mid-partition easily. From the computing results, this paper evaluates the excavating, and gives some opinions on excavating procedure of double-arched tunnel.

Key words: double-arched tunnel, mid-partition, nonsymmetrical excavation, FEM, simulating computation, mechanical property

CLC Number: 

  • U 455.41
  • 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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