AN INVERSE METHOD OF PILE FAULTS' IDENTIFICATION VIA FITTING STRESS WAVE CURVES

Zhang Jianlin; Zhang Canhui; Li Mingcheng

doi:10.13204/j.gyjz200411014

Volume 34 Issue 11

Dec. 2014

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Zhang Jianlin, Zhang Canhui, Li Mingcheng. AN INVERSE METHOD OF PILE FAULTS' IDENTIFICATION VIA FITTING STRESS WAVE CURVES[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(11): 54-57,53. doi: 10.13204/j.gyjz200411014

Citation:

Zhang Jianlin, Zhang Canhui, Li Mingcheng. AN INVERSE METHOD OF PILE FAULTS' IDENTIFICATION VIA FITTING STRESS WAVE CURVES[J]. INDUSTRIAL CONSTRUCTION, 2004, 34(11): 54-57,53. doi: 10.13204/j.gyjz200411014

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AN INVERSE METHOD OF PILE FAULTS' IDENTIFICATION VIA FITTING STRESS WAVE CURVES

doi: 10.13204/j.gyjz200411014

1.
1. Architecture Department,Xiamen University Xiamen 361005;
2.
2. Construction Safety and Quality Supervision Station of Xiamen Xiamen 361000

Received Date: 2004-06-22
Publish Date: 2004-11-20

Abstract

Abstract

A mathematic model for pile-soil system is established. The method of characteristic lines to solve the stress wave equations is proposed considering the interactions of pile and soil.The optimization method can be used to quantitatively detect the faults in piles, where the soil parameters inversed from a model with complete pile are used to inverse the equivalent stress wave impedance for others with damaged piles and then identify their corresponding faults. Numerical examples of the simulation for experimental piles and of the detection for engineering piles show that the method gives the quite accurate results, especially for those with primary or secondary faults.
- integrity detection of pile foundation,
- curve fitting,
- optimization method

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References(4)

References

[2] 刘利民,苏翔,熊巨华.桩基工程的理论进展与工程实践.北京:中国建材工业出版社,2002

徐攸在.桩的动测新技术.北京:中国建筑工业出版社,2002

[3] 罗骐先.桩基工程检测手册.北京:人民交通出版社,2002

[4] 陈宝林.最优化理论与算法.北京:清华大学出版社,1989

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