| 长短桩组合桩基础模型试验及承载性能分析 |
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| 引用本文： | 朱小军,杨敏,杨桦,李锋利. 长短桩组合桩基础模型试验及承载性能分析[J]. 岩土工程学报, 2007, 29(4): 580-586 |
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| 作者姓名： | 朱小军 杨敏 杨桦 李锋利 |
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| 作者单位： | 同济大学地下建筑与工程系；同济大学地下建筑与工程系 上海200433；上海申元岩土工程有限公司；上海200011；上海200433； |
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| 摘 要： | 长短桩组合桩基础作为一种新型的桩基形式,对其承载性状、工作机理的研究很有必要。本文在室内模型试验的基础上,对长短桩组合桩基础的荷载与沉降的关系、桩身侧摩阻力分布、桩身内力以及长短桩组合桩基础中长桩和短桩承载性状发挥状况等问题进行了分析,得到了一些规律性的、有价值的结论。
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| 关 键 词： | 长短桩组合桩基础 模型试验 荷载分担比 承载机理 |
| 文章编号： | 1000-4548（2007）04-0580-07 |
| 修稿时间： | 2006-04-10 |
Study on bearing behaviors and model tests of composite pile foundation with long and short piles |
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| ZHU Xiao-jun,YANG Min,YANG Hua,LI Feng-li. Study on bearing behaviors and model tests of composite pile foundation with long and short piles[J]. Chinese Journal of Geotechnical Engineering, 2007, 29(4): 580-586 |
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| Authors: | ZHU Xiao-jun YANG Min YANG Hua LI Feng-li |
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| Affiliation: | 1.Shanghai Shenyuan Geotechnical Engineering Co. Ltd. Shanghai 200011 China 2.Department of Geotechnical Engineering Tongji University Shanghai 200433 China |
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| Abstract: | Composite pile foundation with long and short piles is a new kind of pile foundation.It is necessary to study the bearing mechanics and working behavior.In this paper,the relation between bearing capacity and settlement & distribution of the axial force and skin friction along pile and the bearing mechanics of composite pile foundation with long and short piles were studied based on laboratory tests.The conclusions were valuable for engineering practice. |
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| Keywords: | composite pile foundation with long and short piles modeling test share of load bearing mechanics |
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