| 桩底后压浆技术在钻孔灌注桩中的应用及效果分析 |
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| 引用本文： | 周继涛,白喜平,龚占德. 桩底后压浆技术在钻孔灌注桩中的应用及效果分析[J]. 内蒙古公路与运输, 2007, 0(5) |
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| 作者姓名： | 周继涛 白喜平 龚占德 |
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| 作者单位： | 中交第三公路工程局,北京,100011;内蒙古派力建筑工程有限责任公司;内蒙古公路工程局 |
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| 摘 要： | 阐述了影响钻孔灌注桩承载力的主要因素,以及桩底后压浆后可提高桩基承载力的机理、施工工艺和质量控制要点。通过压浆前后试验测试结果对比,分析了桩底后压浆桩的承载特性,说明桩底后压浆技术的有效性,并探讨了今后发展方向。
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| 关 键 词： | 钻孔灌注桩 桩底后压浆 承载力 提高 施工方法 质量控制 |
Application of post-grouting technique at the bottom of piles to the construction of bored cast-in-place piles with result analysis |
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| ZHOU Ji-tao,BAI Xi-ping,GONG Zhan-de. Application of post-grouting technique at the bottom of piles to the construction of bored cast-in-place piles with result analysis[J]. Highways & Transportation in Inner Mongolia, 2007, 0(5) |
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| Authors: | ZHOU Ji-tao BAI Xi-ping GONG Zhan-de |
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| Affiliation: | ZHOU Ji-tao BAI Xi-ping GONG Zhan-de |
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| Abstract: | The main factors influencing the bearing capacity of bored east-in-place piles are described in this article, with analysis on the mechanism of improving the bearing capacity after post-grouted at the bottom of piles,the construction tech- nology,and the key points for quality control.Having compared with the measured results before and after post-grouting,it ana- lyzed the bearing characteristics,thereby showing the effectiveness of post-grouted technology,with discussion on the develop- ment of this technology in future. |
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| Keywords: | bored cast-in-place piles post-grouted at the bottom of piles bearing capacity construction method quality control |
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