›› 2003, Vol. 24 ›› Issue (2): 242-245.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Study on design theory of pile-soil cooperative work

ZHENG Jun-jie, PENG Xiao-rong   

  1. Institute of Geotechnical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
  • Received:2001-11-08 Online:2003-02-10 Published:2014-08-19

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Abstract: The preliminary study on the effect of pile-soil cooperative work is made at first. Then the condition for formation of rigid pile composite ground and the design method for different pile spacings of composite pile foundation is discussed. When piles are friction ones and end-bearing friction ones, the rigid pile composite ground without cushion is safer and more economical than that with cushion. If the total safety level and settlement of composite pile foundation can be satisfied, design may be carried out in definite stress ratio of pile and soil; and the designed stress ratio of pile and soil is unnecessarily equal to the practical one. Some existing problems in design method of pile foundation with large spacing between piles are discussed, and some proposals of improvement are put forward, too.

Key words: rigid pile composite ground, composite pile foundation, bearing capacity, settlement

CLC Number: 

  • TU470
  • 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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