| CFG桩钻孔施工对粉土地基的影响 |
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| 引用本文： | 白翔宇.CFG桩钻孔施工对粉土地基的影响[J].新乡学院学报(自然科学版),2009,26(6):67-70. |
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| 作者姓名： | 白翔宇 |
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| 作者单位： | 新乡学院,建筑工程系,河南,新乡,453003 |
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| 摘 要： | 研究了CFG桩在粉土地基施工中出现钻孔真空后，由于水头差引起土体渗透变形的机理，分析了引起土体渗透变形的原因，提出了避免或减小此类因素的影响方法，给出了解决CFG桩在粉土地基施工中出现渗透变形问题的方案。
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| 关 键 词： | CFG桩 粉土地基 渗透变形 临界水力梯度 |
CFG Pile Drilling Construction on the Base of Silt |
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| Authors: | BAI Xiang-yu |
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| Institution: | BAI Xiang-yu (Department of Building Engineering, Xinxiang University, Xinxiang 453003, China) |
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| Abstract: | In this paper, the mechanism of Soil＇s deformation because of penetration caused by water level difference after CFG pile in silt appearing in the base of drilling vacuum is studied. The reason for Soil＇s deformation because of penetration is analyzed. Methods to reduce and avoid such impact are proposed. Schemes solving Soil＇s deformation because of penetration are given. |
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| Keywords: | CFG pile land-based powder seepage deformation critical hydraulic gradient |
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