| 桩端后注浆灌注桩承载力计算的等代桩法 |
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| 引用本文： | 魏建华. 桩端后注浆灌注桩承载力计算的等代桩法[J]. 山西建筑, 2014, 0(5): 53-55,84 |
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| 作者姓名： | 魏建华 |
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| 作者单位： | 上海岩土工程勘察设计研究院有限公司,上海200070 |
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| 摘 要： | 通过对桩端后注浆浆液扩散机理的研究,对目前基于工程经验的后注浆量灌注桩承载力计算方法提出了改进措施,并提出采用"等代桩"法计算后注浆承载力,经过对三个灌注桩后注浆工程案例的计算分析,得出采用"等代桩"法计算的后注浆灌注桩承载力极限值与试桩的结果非常吻合。
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| 关 键 词： | 灌注桩 后注浆技术 承载力 |
Reference pile method for calculating the bearing capacity of end post-grouting pile |
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| Affiliation: | WEI Jian-htm (Shanghai Geotechnical Engineering Survey and Design Research Institute, Shanghai 2000？0, China) |
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| Abstract: | Commonly used calculation methods of post-grouting pile bearing capacity are improved by researching on the grout diffusion mecha- nism of pile-end post-grouting in this paper. And a new calculation method named ＂reference pile method＂ is put forward. Three case is tested with ＂reference pile method＂. The results calculated by the method meet the practice quite well. |
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| Keywords: | bored pile post-grouting technology bearing capacity |
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