›› 2007, Vol. 28 ›› Issue (S1): 505-510.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Analysis of interaction between shield tunnel construction and adjacent structure in different distance

WEI Xin-Jiang, WEI Gang, DING Zhi   

  1. Department of Civil Engineering, City College of Zhejiang University, Hangzhou 310015, China
  • Received:2007-05-20 Online:2007-10-25 Published:2014-03-28

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Abstract: In an area with dense and intensive buildings, the construction of shield tunnels will influence the subsiding of adjacent buildings. In view of soil disturbance, 2D FEM method is adopted in this paper to study and simulate the shield tunnel construction of adjacent structures. Our research indicates that surface settlement together with force and deformation of the lining increase by the existence of buildings, simultaneously, additional stress and deformation of adjacent structure are induced during tunnel excavation construction. L is defined as level distance from tunnel axis to building axis and D is defined as outer diameter of tunnel. When L/D = 0.5 to 2, great surface settlement is produced with more settlement difference between building head and tail, and the building is in danger in the region. At the same time, the value of inner force also increases obviously. Out of the region, the influnece on the buildings is ignored.

Key words: shield tunnel, structure, numerical simulation, surface settlement

CLC Number: 

  • U 459
  • 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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