›› 2006, Vol. 27 ›› Issue (12): 2149-2153.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Inner force analysis of pile capping beam considering stiffness variance of pile and pile-soil interaction

ZHAO Ming-hua1, LIU Jian-hua1, DUAN Shao-hua2   

  1. 1. Geotechnical Institute, Hunan University, Changsha 410082, China; 2. Hunan Provincial Communications Planning, Survey & Design Institute, Changsha 410011, China
  • Received:2005-04-04 Online:2006-12-11 Published:2013-12-09

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Abstract: The traditional calculation method of pile capping beam is inverted consecutive beam method which cannot reflect the influence of pile stiffness variance and the partaking of soil, and can’t simulate sequence of soil under beam and diffusion of stress-strain. Firstly, load transferring method is used to calculate stiffness of pile; and an auto-adjustment method that can adjust counter pressure of beam bottom is put forward; then combining the Newmark calculation principle, an inner-force analysis method is deduced which considering pile bearing capacity variance and pile shaft section variance and soil plastic deformation. Finally, the comparative calculation was done with the data from an engineering instance, the calculation result shows that the new method introduced is coincide well with actual status.

Key words: pile foundations, pile-soil interaction, auto-adjustment method, load transfer

CLC Number: 

  • T 473.1
  • 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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