Influence of reaction piles on test pile response in a static load test

This work presents a new analytical method to analyze the influence of reaction piles on the test pile response in a static load test. In our method, the interactive effect between soil and pile is simulated using independent springs and the shear displacement method is adopted to analyze the influe...

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Bibliographic Details
Published in:Journal of Zhejiang University. A. Science 2013-03, Vol.14 (3), p.198-205
Main Authors: Zhang, Qian-qing, Li, Shu-cai, Zhang, Zhong-miao
Format: Article
Language:English
Subjects:
Civil Engineering
Classical and Continuum Physics
Computer programs
Engineering
Industrial Chemistry/Chemical Engineering
Interactive
Mathematical analysis
Mechanical Engineering
Piles
Settlements
Soil (material)
Springs
Static loads
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Summary:This work presents a new analytical method to analyze the influence of reaction piles on the test pile response in a static load test. In our method, the interactive effect between soil and pile is simulated using independent springs and the shear displacement method is adopted to analyze the influence of reaction piles on test pile response. Moreover, the influence of the sheltering effect between reaction piles and test pile on the test pile response is taken into account. Two cases are analyzed to verify the rationality and efficiency of the present method. This method can be easily extended to a nonlinear response of an influenced test pile embedded in a multilayered soil, and the validity is also demonstrated using centrifuge model tests and a computer program presented in the literature. The present analyses indicate that the proposed method will lead to an underestimation ofthc test pile settlement in a static load test if the influence of the presence of reaction piles on the test pile response is neglected.
ISSN:1673-565X
1862-1775
DOI:10.1631/jzus.A1200210