• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 17 Issue 6
Dec.  2004
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Article Contents
ZENG Dong-yang, HE Chuan. Numerical Simulation of Segment Joint BendingStiffness of Metro Shield Tunnel[J]. Journal of Southwest Jiaotong University, 2004, 17(6): 744-748.
Citation: ZENG Dong-yang, HE Chuan. Numerical Simulation of Segment Joint Bending Stiffness of Metro Shield Tunnel[J]. Journal of Southwest Jiaotong University, 2004, 17(6): 744-748.

Numerical Simulation of Segment Joint Bending Stiffness of Metro Shield Tunnel

  • Publish Date: 25 Dec 2004
  • The numerical simulation of segment joints of Nanjing metro shield tunnel was carried out with 3D FEM (finite element method). The deformation, rotational angle and bending stiffness of a segment joint under different working conditions were investigated, and the varying law of rotational angle and bending stiffness were discussed. In addition, the fitting relation between rotational angle of a segment joint and bending moment and axial force was obtained to provide a new way of determining joint bending stiffness. The numerical result shows that the bending stiffness of segment joints increases with the increasing of axial force, and the bending stiffness decreases rapidly and trends unchanged with bending moment increasing. Influence of axial force on joint bending stiffness weakens with the increasing of bending moment.

     

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      沈阳化工大学材料科学与工程学院 沈阳 110142

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