RESEARCH ARTICLE


The Stress Characteristics of Numerical Analysis on Bridge Pile Foundation in High and Steep Rock Slopes



He Zhongming*, 1, 2, Liu Senzhi2, Wu Tao3, Deng Xi2
1 Key Laboratory of Bridge Engineering Safety Control by Hunan Province, Department of Education (Changsha Uni-versity of Science * Technology), Changsha, 410114, P.R. China
2 School of Communication and Transportation Engi-neering, Changsha University of Science and Technology, Changsha 410114, P.R. China
3 School of Civil Engineering and Architecture, Changsha University of Science and Technology, Changsha 410114, P.R. China


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Creative Commons License
© 2015 Zhongming et al;

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Abstract

The bearing mechanism of bridge pile foundation in high-steep rock slopes is much more complex than that in the flat. In the basis of theory research and model experiment made by previous scholars, then the software of finite element method is used on numerical analysis in this paper, which systematically discusses the distribution of body force of pile, the displacement in pile top and situation of pile’s thrusting force distribution caused by the soil (rock) around the pile under the combined load, the negative impact of combined load on pile stability was also discussed, which can guide engineering practice.

Keywords: Bridge pile foundation, combined load, high - steep rock slopes, finite element method.