| 微型静压桩托换技术回弹研究 |
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| 引用本文： | 和礼红,汪稔,王芝银,罗桂红.微型静压桩托换技术回弹研究[J].岩土力学,2003,24(6):997-1000. |
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| 作者姓名： | 和礼红 汪稔 王芝银 罗桂红 |
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| 作者单位： | （1. 中国科学院武汉岩土力学研究所 岩土力学重点实验室， 湖北 武汉 430071；2.石油大学，北京 102249； 3.温州市勘察测绘研究院， 浙江 温州 325027 |
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| 摘 要： | 运用最小二乘法定量探讨了微型静压桩在托换过程中回弹力与回弹量之间的关系；运用桩-土相互作用机理定性分析了回弹产生的原因，并研究了静压桩桩顶的最大回弹量，同时得到了回弹力、托换力、实际回弹量与最大回弹量四者之间的关系式。
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| 关 键 词： | 静压桩 托换 回弹 |
| 文章编号： | 1000-7598-(2003)06-0997-04 |
| 收稿时间： | 2002-09-12 |
Study on rebound of underpinning technology of little static pressure piles |
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| HE Li-hong,WANG Ren,WANG Zhi-yin,LUO Gui-hong.Study on rebound of underpinning technology of little static pressure piles[J].Rock and Soil Mechanics,2003,24(6):997-1000. |
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| Authors: | HE Li-hong WANG Ren WANG Zhi-yin LUO Gui-hong |
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| Institution: | 1. Key Laboratory of Rock and Soil Machanics, Institute of Rock and Soil Mechanics，Chinese Academy of Sciences，Wuhan 430071，China； 2. University of Petroleum, Beijing 102249, China; 3. Wenzhou Institute of Investigation and Mapping, Wenzhou 325027, China |
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| Abstract: | The relationship between the rebound force and the rebound value of the underpinning static pressure piles is discussed quantitatively by using least square method. And the reasons of rebound are analyzed quantitatively through the pile-soil interaction mechanism. The maximum rebound value of the static pressure pile-head is also studied. Meanwhile, the relationship among rebound force, underpinning force, actual rebound value and maximum rebound value, is obtained. |
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| Keywords: | static pressure piles underpinning rebound |
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