| Numerical Analysis of the Stability of Embankment Slope Reinforced with Piles |
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| 作者姓名： | 崔溦 张志耕 闫澍旺 |
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| 作者单位： | School of Civil Engineering Tianjin University，School of Civil Engineering Tianjin University，School of Civil Engineering Tianjin University，Tianjin 300072，China，Tianjin 300072，China，Tianjin 300072，China |
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| 基金项目： | 天津大学校科研和教改项目 |
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| 摘 要： | The effects of stabilizing piles on the stability of an embankment slope are analyzed by numerical simulation. The shear strength reduction method is used for the analysis, and the soil - pile interaction is simulated with zero-thickness elasto-plastic interface elements. Effects of pile spacing and pile position on the safety factor of slope and the behavior of piles under these conditions are given. The numerical analysis indicates that the positions of the pile have significant influence on the stability of the slope, and the pile needs to be installed in the middle of the slope for maximum safety factors. In the end, the soil arching effect closely associated with the space between stabilizing piles is analyzed. The results are helpful for design and construction of stabilizing piles.
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| 关 键 词： | 路堤边坡 桩基加固 抗滑桩 稳定性 数值分析 |
| 收稿时间： | 2006-09-25 |
Numerical Analysis of the Stability of Embankment Slope Reinforced with Piles |
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| CUI Wei,ZHANG Zhigeng,YAN Shuwang.Numerical Analysis of the Stability of Embankment Slope Reinforced with Piles[J].Transactions of Tianjin University,2007,13(2):126-130. |
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| Authors: | CUI Wei ZHANG Zhigeng YAN Shuwang |
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| Abstract: | The effects of stabilizing piles on the stability of an embankment slope are analyzed by numerical simulation. The shear strength reduction method is used for the analysis, and the soil - pile interaction is simulated with zero-thickness elasto-plastic interface elements. Effects of pile spacing and pile position on the safety factor of slope and the behavior of piles under these conditions are given. The numerical analysis indicates that the positions of the pile have significant influence on the stability of the slope, and the pile needs to be installed in the middle of the slope for maximum safety factors. In the end, the soil arching effect closely associated with the space between stabilizing piles is analyzed. The results are helpful for design and construction of stabilizing piles. |
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| Keywords: | stabilizing piles embankment slope shear strength reduction method interface element numerical simulation |
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