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|Title:||Study on bearing performance of friction pile foundation in complicated soil-layers|
Generalized elastic theory method
Linear deformation layer model
|Source:||岩石力学与工程学报 (Chinese journal of rock mechanics and engineering), Aug. 2004, v. 23, no. 15, p. 2659-2664 How to cite?|
|Journal:||岩石力学与工程学报 (Chinese journal of rock mechanics and engineering)|
Interaction mechanism of piles and soil for friction piles is studied in this paper. A new pile-soil system model, which considers the complexity of surrounding soil and the bearing strata, is established. An improved Mindlin integrate equation, which combines the nonlinear transfer function model and the linear deformation layer model, is put forward. Based on it, a method for design and calculation of the bearing capacity of friction pile foundation and with the relative movement between pile and adjective soil taken into account is set up. Equivalent module is defined to solve the problem of negative settlement in the ground. Load-settlement curves given by this method and calculation results are compared with that of field measurements. It is demonstrated that the new theory produces agreement with the measurement information. The optimization and back analysis method is used to analyze the geotechnical parameters of pile-soil system on the basis of field measured load-settlement curves. This parameters given by the analysis can be used to direct the design of piles foundation in the same type of soil-layers. This method can be used in the situations where ultimate bearing capacity can not be given by load test or the load test can not be carded out.
|Rights:||© 2004 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。|
© 2004 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research purposes.
|Appears in Collections:||Journal/Magazine Article|
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