| 自扩式斜桩的承载性能 |
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| 引用本文： | 马鸣 汪中卫 宰金珉. 自扩式斜桩的承载性能[J]. 南京化工大学学报, 2007, 29(6): 72-76 |
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| 作者姓名： | 马鸣 汪中卫 宰金珉 |
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| 作者单位： | 南京工业大学土木工程学院,江苏南京210009 |
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| 基金项目： | 国家自然科学基金资助项目（50678083） |
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| 摘 要： | 通过有限元模拟分析和模型试验相结合的研究方法分析了自扩式斜桩与竖直双桩的竖向承载性能，发现自扩式斜桩由于成桩过程中对土体的强烈挤压作用．其抗压和抗拔性均优于竖直双桩，而且随着自扩成桩夹角的变化，自扩式斜桩的竖向极限承载力亦相应变化，并存在竖向承载实用最优夹角．研究认为自扩式斜桩竖向承载性能优于竖直桩，又特别适用于构筑物的抗拔需要．
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| 关 键 词： | 自扩式斜桩 竖向承载力 Q—S曲线 |
| 文章编号： | 1671-7627（2007）06-0072-05 |
| 收稿时间： | 2007-06-15 |
Bearing capacity of autosplayed batter pile |
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| MA Ming, WANG Zhong-wei, ZAI Jin-min. Bearing capacity of autosplayed batter pile[J]. Journal of Nanjing University of Chemical Technology(Natural Science Edition), 2007, 29(6): 72-76 |
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| Authors: | MA Ming WANG Zhong-wei ZAI Jin-min |
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| Abstract: | Plaxis finite element analysis and model test were adopted to analyze the vertical bearing capacities of autosplayed batter pile and vertical pile. It was found that the vertical bearing capacity of autosplayed batter pile is always higher than vertical pile in all kinds of ground soils. Furthermore, the vertical pullout capacity varies with angle between autosplayed batter piles, and there is an optimial angle corresponding to the maximum bearing capacity. In conclusion, the vertical bearinging capacity performance of autosplayed batter piles is much better than that of vertical piles. |
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| Keywords: | autosplayed batter piles vertical bearing capacity Q - S curve |
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