›› 2006, Vol. 27 ›› Issue (S1): 359-363.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Reliability analysis of tunnel lining based on continuum model

WU Guojun1, CHEN Weizhong1,2, LIU Doudou2,3, TAN Xianjun1   

  1. 1. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; 2. Research Center of Geotechnical and Structural Engineering, Shandong University, Jinan 250061, China; 3. School of Business Administration, Shandong Institute of Finance, Jinan 250014, China
  • Received:2006-06-18 Published:2006-12-15

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Abstract: Based on continuum mechanical model of rock mass, a new reliability analysis method is suggested to obtain an explicit expression which can fit practical needs, the new method makes it possible to use commercial FEM code and it differs from response-surface-method(RSM). The suggested method is applied to analyze a circular tunnel considering variation of mechanical parameters. Mechanical parameters c, E, ? and lining thickness D is considered as random variables. The variation law of axial stress in concrete lining with the variables is obtained; and multiple linear and nonlinear regression methods are applied to obtain the final expression of the axial stress in lining with all the variables. The sensitivity and reliability analysis of a circualr tunnel is made with the method. Some conclusions are drawn from the research work.

Key words: tunnel, continuum mechanics, reliability, finite element method

CLC Number: 

  • TU 443
  • 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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