›› 2006, Vol. 27 ›› Issue (2): 238-241.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Finite element method for analyzing overturn stability of large cylindrical structures

WANG Gang, CHEN Yang, ZHANG Jian-min   

  1. Institute of Geotechnical Engineering, Tsinghua University, Beijing 100084, China
  • Received:2004-08-02 Online:2006-02-10 Published:2013-10-25

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Abstract: It is important to evaluate the safety of large cylinderical structures against overturn under possible conditions. Elastoplastic FEM is employed to solve this problem. First, a load-displacement curve of a cylindrical structure under certain condition is obtained by varying the load amplitude in the finite element analysis. Then the ultimate load that the cylindrical structure can bear, can be obtained, which is the upper bound load value at the load-displacement curve. Finally, a factor defined as the ratio of the ultimate load to design load is used to estimate the safety against overturn. The proposed method can avoid the difficulty existing in the current limit equilibrium analysis method, in which the earth pressure on the cylinder surface and the center of rotation must be determined. Furthermore, FEM can consider the interaction between the cylinderical structure and soil around. A practical case is analyzed to validate the applicability of the method.

Key words: large cylinder, overturn stability, FEM

CLC Number: 

  • TU 333
  • 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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