| 层状地基中刚性承台群桩竖向力学分析 |
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| 引用本文： | 李早,黄茂松,戴兵.层状地基中刚性承台群桩竖向力学分析[J].同济大学学报(自然科学版),2007,35(4):446-450. |
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| 作者姓名： | 李早 黄茂松 戴兵 |
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| 作者单位： | 同济大学地下建筑与工程系,上海,200092 |
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| 摘 要： | 基于Winkler地基模型，建立分层土中单桩的荷载传递矩阵，并考虑被动桩与桩周土的相互作用，建立被动桩的位移控制方程，得到两根桩的相互影响系数a．提出了刚性承台下受荷群桩的位移内力计算的解析方法，并和有限元计算的结果进行了比较，得到了较好的一致性．
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| 关 键 词： | 群桩 桩-桩相互作用 荷载传递矩阵 成层土 |
| 文章编号： | 0253-374X（2007）04-446-05 |
| 修稿时间： | 2005-07-12 |
Vertical Mechanical Analysis of Pile Groups with Rigid Cap in Layered Soils |
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| LI Zao,HUANG Maosong,DAI Bing.Vertical Mechanical Analysis of Pile Groups with Rigid Cap in Layered Soils[J].Journal of Tongji University(Natural Science),2007,35(4):446-450. |
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| Authors: | LI Zao HUANG Maosong DAI Bing |
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| Institution: | Deparunent of Geotechnical Engineering, Tongji University, Shanghai 200092 ,China |
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| Abstract: | This paper presents a simple analytical method for determining the settlement and intemal forces of loaded pile groups with rigid cap in layered soil. The load transfer matrix is obtained on the basis of Winkler model and the interaction factor a between two piles is determined by the settlement governing equilibrium equation of soil around passive pile. The result of the present approach agrees well with that of finite element method. |
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| Keywords: | pile group pile-pile interaction load transfer matrix layered soil |
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