ANALYTICAL SOLUTION FOR THE LOAD-DISPLACEMENT RELATIONSHIP OF PULLOUT DX PILE BASED ON ELASTIC THEORY

Jiang Li; Chen Lun

doi:10.13204/j.gyjz200605018

Volume 36 Issue 5

Dec. 2014

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Jiang Li, Chen Lun. ANALYTICAL SOLUTION FOR THE LOAD-DISPLACEMENT RELATIONSHIP OF PULLOUT DX PILE BASED ON ELASTIC THEORY[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(5): 65-70. doi: 10.13204/j.gyjz200605018

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Jiang Li, Chen Lun. ANALYTICAL SOLUTION FOR THE LOAD-DISPLACEMENT RELATIONSHIP OF PULLOUT DX PILE BASED ON ELASTIC THEORY[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(5): 65-70. doi: 10.13204/j.gyjz200605018

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ANALYTICAL SOLUTION FOR THE LOAD-DISPLACEMENT RELATIONSHIP OF PULLOUT DX PILE BASED ON ELASTIC THEORY

doi: 10.13204/j.gyjz200605018

Jiang Li¹,
Chen Lun²

1.
1. Beijing Urban Engineering Design and Research Institute Co.,Ltd. Beijing 100037;
2.
2. Department of Hydraulic Engineering,Tsinghua University Beijing 100084

Received Date: 2005-11-16
Publish Date: 2006-05-20

Abstract

Abstract

Based on the elastic theory and the overlapped-form strain mode of the soil surrounding a pile,an analytical solution for the load-displacement relationship of cast-in-situ DX pile is presented.The proposed solution can reflect the influence of the deformation of pile and non-homogeneity of soils' modulus along the depth in load-displacement relationship.The comparison with FEM analysis and full-scale test results showed that the analytical solution can well predict the displacement of pullout DX pile.The solution is simple and convenient,and can be used as a practical reference to the design of pullout DX pile.
- DX pile,
- pullout pile,
- displacement,
- elastic theory

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References(10)

References

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贺德新,沈保汉. DX 挤扩装置及 DX 多节挤扩桩的应用. 工业建筑,2001, 31(1): 27-31

王海燕. 大比例尺现场模型 DX 桩的试验研究: [硕士学位论文]. 北京: 清华大学, 2003

Randolph M F,Wroth C P. Analysis of Deformation of Vertically LoadedPiles. Journal of the Geotechnical Engineering Division, ASCE, 1978,104(12):1 465-1 488

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