›› 2006, Vol. 27 ›› Issue (12): 2154-2158.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Mechanical analysis of segment joint of shield tunnel and research on bilinear joint stiffness model

ZHU Wei, ZHONG Xiao-chun, QIN Jian-she   

  1. Research Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China
  • Received:2004-09-28 Online:2006-12-11 Published:2013-12-09

Abstract: Segment joint stiffness K? is an important parameter for the design of shield tunnel segment. Basing on the test data of load cushion and water-proof plastic, the joint’s mechanical characteristic has been analyzed and the nonlinear relation between the segment joint stiffness and joint’s internal force has also been obtained. In order to make convenient application for engineering, the article has established a bilinear joint stiffness model for shield segment joints. Because the model has provided the foundation to determine the key parameters of modified routine method and beam-spring method, calculation of shield tunnel segment becomes more rational.

Key words: shield tunnel, segment joint, joint stiffness model, model distinguishing

CLC Number: 

  • TU 451+.4
  • 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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