›› 2003, Vol. 24 ›› Issue (5): 759-763.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Linear analysis of interaction of flexible piles with variable cross section and ground soil under rigid pile cap

LIU Jie1，2，ZHANG Ken-neng2   

  1. 1. Department of Civil Engineering，Zhuzhou institute of technology，Zhuzhou 412008，China； 2. College of Resources，Environment and Civil Engineering，Central South University，Changsha 410083 China
  • Received:2002-06-11 Online:2003-10-10 Published:2014-08-19

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Abstract: Based on using linear load transfer function to pile-side soil and pile-end soil, and considering influence of sharing load of the pile-side soil on load transfer law of piles, and using theory of mechanics and approximate solution method—district method of differential equation，a set of approximate analytical formulas of interaction for a flexible single pile with variable cross section and ground soil are derived. For rigid pile cap, situation of flexible pile with variable cross-section are compared with situation of flexible pile with constant cross section by an example; the results show that the bearing capacity of the flexible pile and the composite foundation may be raised by changing pile type. The results of the model test are compared with the results. It is shown that the proposed method has good precision.

Key words: rigid pile cap, flexible pile with variable cross section, interaction

CLC Number: 

  • TU 472　
  • 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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