Numerical Analysis of Long-Short-Pile Composite Foundation with Cushion or No Cushion

Lu Yuan Sun; Zhi Jun Han; Xiao Hong Bai

doi:10.4028/www.scientific.net/AMM.94-96.618

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 94-96Numerical Analysis of Long-Short-Pile Composite...

Numerical Analysis of Long-Short-Pile Composite Foundation with Cushion or No Cushion

Abstract:

With the Drucker-Prager yield criterion, the ANSYS software is used to analyze the long-short-pile composite foundation by using three-dimensional nonlinear finite element method. The influences of load on axial stress and maximal axial stress of head of pile with cushion or not have been investigated by simulating composite foundation through nine long piles and sixteen short piles. The result indicates the cushion can reduce the stress concentration in head of pile effectively with increase of load. This conclusion has a certain value for engineering.

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Periodical:

Applied Mechanics and Materials (Volumes 94-96)

Pages:

618-622

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.94-96.618

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Online since:

September 2011

Authors:

Lu Yuan Sun, Zhi Jun Han, Xiao Hong Bai

Keywords:

Composite Foundation, Finite Element Method (FEM), Long-Short-Pile

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