›› 2006, Vol. 27 ›› Issue (12): 2213-2218.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Stability catastrophe analysis of strip foundation considering lateral force and moment effect

WU Yi, FANG Ying-guang   

  1. Department of Civil Engineering, South China University of Technology, Guangzhou 510640, China
  • Received:2005-03-08 Online:2006-12-11 Published:2013-12-09

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Abstract: The sudden increase of sliding displacement of base when losing stability and failing was well explained by analyzing the stability of trip foundation on clay considering lateral force and bending moment effect with cusp-catastrophe model theory. The effect of lateral force and bending moment, the density of soil and the depth of foundation, high order of displacement, the variation of displacement field with lateral force, etc. on the base’s stability and its catastrophe character was discussed. The analysis shows that when parameters go across bifurcation set, the foundation will get unstable and failed due to its sudden sliding change in a jumping style; when the variation of displacement field with lateral force is neglected, the analysis result might be unsafe.

Key words: strip foundation, stability, catastrophe analysis

CLC Number: 

  • TU 431
  • 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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