›› 2005, Vol. 26 ›› Issue (6): 920-923.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Analysis of forming reason of mud breakout in Tong-Yu tunnel

GU Yi-lei, LI Xiao-hong, ZHAO Yu, REN Song   

  1. College of Resources & Environmental Science, Chongqing University, Chongqing 400044, China
  • Received:2005-03-08 Online:2005-06-10 Published:2013-12-17

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Abstract: The water stratum, distributing around the Tong-Yu Tunnel location, is eroded carbonate rock belong sea faces aggradations. A mud breakout was occurring at K21+780, with 940-meter depth of rock cover, in Feb 22th, 2004, in Tong-Yu Tunnel. According to the 3D-σsoftware analysis, the stress in the surrounding rock at K21+780 are proved, as well as the breakage region. Based on the conclusion of 3D-σsoftware analysis, combining with the engineering geology and construction technique, the forming reason of mud breakout in tunnel are discovered.

Key words: tunnel, mud breakout, numerical simulation

CLC Number: 

  • P 642.22
  • 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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