| 膨胀土中桩的负摩阻力时程性研究 |
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| 引用本文： | 苗鹏,肖宏彬,张春顺.膨胀土中桩的负摩阻力时程性研究[J].株洲工学院学报,2006,20(6):98-100. |
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| 作者姓名： | 苗鹏 肖宏彬 张春顺 |
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| 作者单位： | 湖南工业大学岩土工程研究所,湖南株洲412008 |
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| 基金项目： | 国家自然科学基金资助项目（50378097） |
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| 摘 要： | 基于对膨胀土中模型桩的失水收缩模型试验，研究了膨胀土收缩过程中的桩土共同作用机理，重点探讨了基桩负摩阻力的产生原因及其随时间的变化规律，中性点的时间效应以及侧摩阻力发展在微观层面上的机理。
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| 关 键 词： | 膨胀土 模型试验 负摩阻力 时程性 |
| 文章编号： | 1008-2610（2036）06-0098-03 |
| 收稿时间： | 2006-09-22 |
| 修稿时间： | 2006-09-22 |
Study on Negative Friction and Time-Related Characteristics for Pile in Expansive Soils |
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| MIAO Peng, XIAO Hong-bin, ZHANG Chun-shun.Study on Negative Friction and Time-Related Characteristics for Pile in Expansive Soils[J].Journal of Zhuzhou Institute of Technology,2006,20(6):98-100. |
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| Authors: | MIAO Peng XIAO Hong-bin ZHANG Chun-shun |
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| Affiliation: | Geotechnical Engineering Research Institute, Hunan University of Technology, Zhuzhou Htman 412008, China |
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| Abstract: | Based on the test of a model pile in the shrinking expansive soils due to dehydration, the mutual function principle of pile-soil is analyzed in the procedure of shrinkage. And the experiment discusses the reason why the negative friction appears and its changing patterns along with time and analyzes the neutrality point and mechanism of development of side friction at micro level. |
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| Keywords: | expansive soils model test negative friction time-related characteristics |
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