›› 2005, Vol. 26 ›› Issue (S1): 168-170.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Numerical analysis of rock mass stability during tunnel excavation and supporting using finite difference method

ZHOU Tai-quan1, HUA Yuan1, ZHU Zan-cheng1, LIAN Jun-ying1, SHEN Dong2   

  1. 1. Department of Civil Engineering, Southern Yangtze University, Wuxi 214122, China; 2. Wuxi Construction Engineering Quality Examining Center, Wuxi 214062, China
  • Received:2005-01-11 Published:2005-12-15

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Abstract: In combination with the real geological engineering conditions and the design parameters of the tunnel layout, numerical analysis is performed to analyze the rock mass stability for two different supporting structures, the ordinary concrete lining with thickness of 500 mm and the wet-sprayed polypropylene fiber reinforced concrete lining with the thickness of 200 mm respectively. The tunnel rock mass stability is analyzed for the stress, displacement and plastic zone distribution. The numerical simulation shows that the lining structure using the polypropylene fiber reinforced concrete is stable.

Key words: tunnel rock mass, finite difference method, supporting structure, stability, numerical simulation

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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