›› 2010, Vol. 31 ›› Issue (5): 1638-1644.

• Numerical Analysis • Previous Articles     Next Articles

Numerical solution of laterally loaded cast-in-place concrete large diameter pipe pile installed in multi-layered soil

ZHANG Jian-wei 1, 2, LIU Han-long 2, 3   

  1. 1.School of Civil engineering and Architecture, Henan University, Kaifeng 475004, China; 2. Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, Nanjing 210098, China; 3. Geotechnical Research Institute, Hohai University, Nanjing 21098, China
  • Received:2008-12-31 Online:2010-05-10 Published:2010-05-24

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Abstract:

Aimed at problems lying in the exiting methods for calculation of laterally loaded piles installed in multi-layered soils, the method based on elastic theory and the stress-strain relationship of the pile-soil, the variation equation are obtained using the principle of minimum potential energy, the variation equations are solved analytically using the method of initial parameters. The computations and post processing for displacement and internal forces of PCC were programmed. It is shown by computation and comparison of model test that the calculated results by the method coincided very well. Meanwhile, the method is more precise and efficient than the existing conversion methods of subgrade modulus. Therefore, it could be useful for the design and analysis of PCC under lateral load.

Key words: PCC, lateral load, mutli-layered soil, variational principle, finite difference method

CLC Number: 

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