| 上海地区钻孔灌注桩的未来 |
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| 作者姓名： | 季沧江 |
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| 作者单位： | 上海市建筑科学研究院 200032 |
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| 摘 要： | 根据对上海软土地区大型灌注桩承载力偏低的原因分析,叙述了沉淤对侧摩阻力的影响,提出了侧摩阻力能否充分发挥主要取决于桩端状态;比较了两种提高承载力的方法,指出了桩底压密注浆是软土地区灌注桩发展的必然趋势。
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| 关 键 词： | 沉淤 承载力 端承力 压密灌浆 |
The Future of Cast-in-place Pile in Shanghai |
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| Authors: | Ji Cangjiang |
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| Abstract: | This paper analyzes the reason why the bearing capacity of cast-in place pile with large diameter in Shanghai soft soil zone is always lower than the calculated value.it is considered" that the frictional resistance exerting fully lies in the soil states of the bottom of the pile. By comparing two methods of improving the bearing capacity of pile,the grouting at the bottom of pile as an effective and practicable method will be developed as a tendency. |
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| Keywords: | sediment bearing capacity the bottom bearing capacity grouting |
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