›› 2006, Vol. 27 ›› Issue (S1): 353-358.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Fracture damage analysis of rock cover in Xiangshan Harbour Subsea Tunnel

WANG Gang1, KONG Xiang-fu2, LI Shu-cai1, LI Jing-long1, WANG Shu-gang1   

  1. 1. Research Center of Geotechnical and Structural Engineering, Shandong University, Jinan 250061, China 2. Shandong Provincial Communications Planning and Design Institute, Jinan 250031, China
  • Received:2006-06-29 Published:2006-12-15

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Abstract: According to the geological section of the Xiangshan Harbour subsea tunnel, the tunnel axes of nine sections selected are researched and analysed. The appropriate tunnel axis of each section is fixed on through lifting and shifting the tunnel axis according to the thickness of bedrock. The paper applies the finite element program of fracture damage model to analyze different cases of the sections. Analyzing their damage zones, plastic zones, stress state and displacement variation in all the cases, the stability of the tunnel is studied. Based on the above analysis, the most appropriate tunnel axis position of every section is proposed.

Key words: subsea tunnel, numerical analysis, damage evolution equation, minimum thickness of rock cover

CLC Number: 

  • TU 451
  • 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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