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Paper
Title

Numerical simulation of liquefaction susceptibility of soil interacting by single pile

Year: 1394
COI: JR_IJMGE-49-1_004
Language: EnglishView: 299
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Authors

Ahmad Asaadi - Department of Civil Engineering, Faculty of Engineering, Razi University, Kermanshah, Iran
Mohammad Sharifipour - Department of Civil Engineering, Faculty of Engineering, Razi University, Kermanshah, Iran

Abstract:

Previous case histories have shown that soil liquefaction severely damaged many structures supported on pile foundations during earthquakes. As a result, evaluating the potential for instability is an important consideration for the safe and resistant design of deep foundation against earthquakes. In this study, the liquefaction susceptibility of saturated sand interacting by single concrete pile was simulated by means of finite difference method. A nonlinear effective stress analysis was used to evaluate soil liquefaction, and the soil-pile interaction was considered using interface elements. The parameter Ru was defined as the pore water pressure ratio to investigate liquefaction in the soil mass during time. A set of numerical models were carried out by three types of soil mass with various condensation (loose, semi-dense and dense) under three ground motion with different predominant frequencies and peak accelerations. The effect of these parameters was studied using excess pore pressure, lateral movement and settlement time histories. It was found that the pile can affect the liquefaction susceptibility of soil by comparing the near pile and free field responses. However, for various soil and earthquake characteristics, it was found that the depth of soil liquefaction and triggering, varies.

Keywords:

dynamic behavior of pile , excess pore pressure ratio , liquefaction susceptibility , soil-pile interaction

Paper COI Code

This Paper COI Code is JR_IJMGE-49-1_004. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/488120/

How to Cite to This Paper:

If you want to refer to this Paper in your research work, you can simply use the following phrase in the resources section:
Asaadi, Ahmad and Sharifipour, Mohammad,1394,Numerical simulation of liquefaction susceptibility of soil interacting by single pile,https://civilica.com/doc/488120

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Type of center: دانشگاه دولتی
Paper count: 10,003
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