| 静压桩沉桩过程的数值分析 |
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| 引用本文： | 彭劼.静压桩沉桩过程的数值分析[J].华东船舶工业学院学报,2005,19(5):25-30. |
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| 作者姓名： | 彭劼 |
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| 作者单位： | 河海大学岩土工程研究所,江苏南京210098 |
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| 摘 要： | 考虑了沉桩过程桩周土的挤土效应，根据实测的土体参数，用柱形孔扩张对沉桩模型试验进行了分析。分析结果与模型试验结果较吻合。计算结果表明，分析沉桩引起的应力和位移时，应考虑桩周土的挤土效应及桩周摩擦力影响。
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| 关 键 词： | 静压桩 修正剑桥模型 挤土效应 空间柱形孔扩张 |
| 文章编号： | 1006-1088（2005）05002506 |
| 收稿时间： | 2005-03-28 |
Numerical Analysis of Jacked Pile Driving |
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| PENG Jie.Numerical Analysis of Jacked Pile Driving[J].Journal of East China Shipbuilding Institute(Natural Science Edition),2005,19(5):25-30. |
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| Authors: | PENG Jie |
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| Institution: | Geotechnical Research Institute, Hohai University, Nanjing Jiangsu 210098,China |
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| Abstract: | According to the experimental parameters of soil, the spatial cylindrical cavity expansion analysis is applied to simulate the model test. The modified cam-clay model is adopted and the compaction effect of soil surrounding ,the pile is taken into account. The analysis results are consistent with the test results. Computation shows that the compaction effect of soil around the pile and the friction of soil-pile interface should be taken into account in analyzing the stress and the displacement. |
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| Keywords: | jacked pile modified corn-clay model compaction effect spatial cylindrical cavity expansion |
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