›› 2007, Vol. 28 ›› Issue (S1): 511-515.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Numerical research on face movement and collapse of shield tunneling in silt ground

QIN Jian-she1, YU Xing-fu2, ZHONG Xiao-chun3, ZHU Wei4   

  1. 1. Hangzhou Metro Co. Ltd. Hangzhou 310003, China; 2. Zhejiang Academy of Building Research & Design Co. Ltd., Hangzhou 310012, China; 3. College of Civil Engineering, Hohai University, Nanjing 210098, China; 4. College of Environmental Science and Technology, Hohai University, Nanjing 210098, China
  • Received:2007-05-30 Online:2007-10-25 Published:2014-03-28

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Abstract: The face support pressure control is a key operation during earth pressure balanced shield excavation. Three-dimensional fast Lagrangian differential finite element method can calculate the large strain of material, which is used to simulate the influence of face support pressure to face movement and collapse. Deformation and collapse pattern is discussed, and the soil stress release is analyzed due to shield excavation. Some useful results from numerical simulation are given for controlling face support pressure.

Key words: earth pressure balanced shield, silt soil, face stability, support pressure, stress release

CLC Number: 

  • TU 433
  • 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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