Numerical Simulation Analysis on Effects of Freezing and Thawing on Workover Rig Anchor Pile Bearing Performance

Juan Zhu; Long Qing Zou; Hai Long Fu

doi:10.4028/www.scientific.net/AMM.204-208.714

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 204-208Numerical Simulation Analysis on Effects of...

Numerical Simulation Analysis on Effects of Freezing and Thawing on Workover Rig Anchor Pile Bearing Performance

Abstract:

Through simulating interaction between pile and foundation soil after establishing surface-surface contact element with finite element method and ANSYS software, the load resistance performance and ultimate strength of the ground anchor pile working for a workover derrick are achieved. In winter, frozen soil depth can be up to 2 meters in north china. When temperature rises in spring, the Polar grassland changes by three stages, namely, frozen, freeze thawing and melted. But for the large temperature difference between morning and evening, the state of the soil layer is extremely unstable which greatly affect the carrying capacity of anchor piles. This paper focuses on the melting influence of soil layer and the load resistance performance is studied. With a set of calculation parameter, the simulation result shows that the carrying capacity of anchor piles decreases 28% in melted state than freeze thawing.

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Periodical:

Applied Mechanics and Materials (Volumes 204-208)

Pages:

714-717

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.204-208.714

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Online since:

October 2012

Authors:

Juan Zhu, Long Qing Zou, Hai Long Fu

Keywords:

Carrying Capacity, Contact, Ground Anchor Pile, Load

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References

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