| 无砂砼小桩后处理湿陷性黄土路基的机理研究 |
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| 引用本文： | 孙彦飞,王公民.无砂砼小桩后处理湿陷性黄土路基的机理研究[J].河南纺织高等专科学校学报,2009(2):4-6. |
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| 作者姓名： | 孙彦飞 王公民 |
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| 作者单位： | 河南工程学院土木工程系;河南工程学院艺术设计系; |
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| 摘 要： | 分析了无砂砼小桩后处理湿陷性黄土地区高填方路基的处理机理，指出无砂砼小桩后处理法通过施工过程中的成孔和注浆工艺，对湿陷性黄土地基进行预湿、预压处理，由高填方路基预加荷载提供黄土湿陷起始应力，注浆过程中使桩孔周围的部分黄土提前发生湿陷变形，从而使黄土结构的湿陷性得到显著改善，土体结构的水稳性得到保证．
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| 关 键 词： | 无砂砼小桩 湿陷性黄土 后处理技术 处理机理 |
A Study on the Treatment Mechanism of Small Non-sand Concrete Pile Post-processing Collapsible Loess Region Roadbed |
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| SUN Yanfei,WANG Gongmin.A Study on the Treatment Mechanism of Small Non-sand Concrete Pile Post-processing Collapsible Loess Region Roadbed[J].Journal of Henan Textile College,2009(2):4-6. |
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| Authors: | SUN Yanfei WANG Gongmin |
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| Affiliation: | SUN Yanfei1,WANG Gongmin2(1.Civil Engineering Department,Henan Institute of Engineering,Zhengzhou 451191,China,2.Art Design Department,China) |
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| Abstract: | This paper analyzes the treatment mechanism of small non-sand concrete pile post-processing in collapsible loess region roadbed high fill,pointing out that small non-sand concrete pile after the adoption of the law dealing with the construction project of drilling and grouting process,the collapsible loess foundation for pre-wet,surcharging handled by the high fill sub-grade to provide pre-loading contained initial collapsible stress,grouting process will move around the pile hole early part of the loess oc... |
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| Keywords: | small non-sand concrete pile collapsible loess post-processing technology treatment mechanism |
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