| 后压浆提高钻孔灌注桩承载力的试验研究 |
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| 引用本文： | 肖坚,赵刚.后压浆提高钻孔灌注桩承载力的试验研究[J].岩土工程技术,2011,25(1):10-12,16. |
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| 作者姓名： | 肖坚 赵刚 |
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| 作者单位： | 1. 中兵勘察设计研究院,北京,100053
2. 北京方恒置业股份有限公司,北京,100005 |
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| 摘 要： | 后压浆技术能改善桩端沉渣和桩周泥皮。通过某工程压浆试验，表明后压浆工艺能大幅度提高基桩承载能力，减小沉降量，并结合分布式光纤检测得到了桩身侧摩阻分布图，对压浆效果及作用机理进行了直观地分析。
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| 关 键 词： | 钻孔灌注桩 后压浆 分布式光纤 承载力 |
Experimental Study on Bearing Capacity of Bored Piles Using Post-grouting Technology |
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| Xiao Jian,Zhao Gang.Experimental Study on Bearing Capacity of Bored Piles Using Post-grouting Technology[J].Geotechnical Engineering Technique,2011,25(1):10-12,16. |
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| Authors: | Xiao Jian Zhao Gang |
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| Institution: | Xiao Jian Zhao Gang (1. China ordnance industry survey, design ＆ research institute, Beijing 100053,China; 2. Beijing Fangheng Land Co. , Ltd. , Beijing 100005 ,China) |
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| Abstract: | Post-grouting technology can improve the disadvantage of bored piles. It has been proved that post-grouting technology can advance the bearing capacity and reduce the settlement of pile markedly by some post-grouting experimentation. Side frictional resistance distribution map of pile has been gained according to distributed optical fibre detection, and post-grou ting effect and mechanism of action are also analysed. |
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| Keywords: | Bored pile Post-grouting Distributed optical fibre Bearing capacity |
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