| 钻孔灌注桩孔壁稳定性分析 |
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| 引用本文： | 王亚辉. 钻孔灌注桩孔壁稳定性分析[J]. 四川建材, 2021, 0(1) |
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| 作者姓名： | 王亚辉 |
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| 作者单位： | 河北工程大学土木工程学院 |
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| 摘 要： | 为了更好地预防和减少钻孔灌注桩在施工过程中出现孔壁失稳现象,总结了现有对孔壁稳定性分析方法,主要从应力方法、极限分析方法和数值方法三个方面进行分析,系统地总结分析了三种方法的分析过程、应用及优缺点.并进一步分析了泥浆相对密度、钻孔深度、孔径、土体粘聚力、内摩擦角、土体重度及施工情况等因素对孔壁稳定性的影响.
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| 关 键 词： | 孔壁稳定性 分析方法 影响因素 |
Stability analysis of borehole wall of bored pile |
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| WANG Yahui. Stability analysis of borehole wall of bored pile[J]. Sichuan Building Materials, 2021, 0(1) |
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| Authors: | WANG Yahui |
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| Affiliation: | (School of Civil Engineering,Hebei University of Engineering,Handan 056038,China) |
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| Abstract: | In order to prevent and reduce the instability of borehole wall in bored pile construction.The existing analysis methods of hole wall stability are summarized,including stress method,limit analysis method and numerical method.The analysis process,application,advantages and disadvantages of the three methods are systematically summarized and analyzed.The influences of relative mud density,drilling depth,hole diameter,soil cohesion,internal friction angle,soil weight and construction on the stability of the borehole wall are analyzed. |
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| Keywords: | stability of hole-wall analysis method influencing factor |
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