›› 2008, Vol. 29 ›› Issue (8): 2077-2080.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Analysis of factors influencing stress ratio between pile and soil of composite foundation with cast-in-situ concrete thin-wall pipes

LIU Han-long1, 2, ZHANG Bo1, 2   

  1. 1. Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, Nanjing 210098, China; 2. Geotechnical Research Institute, Hohai University, Nanjing 210098, China
  • Received:2006-10-16 Online:2008-08-11 Published:2013-08-02

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Abstract: The stress ratio between pile and soil is a key parameter for the design and calculation of composite foundations. Based on single pile composite foundation static load tests of Yan-Tong Expressway, the influences of cushion modulus and thickness, pile modulus, pile length, base stiffness etc. on the stress ratio of pile-soil are analyzed by using the finite element analysis. The results show that the model built is reasonable. The stress ratio of pile-soil increases with the cushion modulus increase or thickness decrease, and with the increases of pile modulus, pile length, base stiffness.

Key words: cast-in-situ concrete thin-wall pipe pile, composite foundation, numerical simulation, stress ratio between pile and soil

CLC Number: 

  • TU 473
  • 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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