| 桩端压力灌浆工艺在卵石层灌注桩中的应用 |
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| 引用本文： | 姚勇,吴兴序. 桩端压力灌浆工艺在卵石层灌注桩中的应用[J]. 建筑技术, 2003, 34(2): 111-113 |
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| 作者姓名： | 姚勇 吴兴序 |
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| 作者单位： | 西南科技大学土建工程学院 |
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| 摘 要： | 灌注桩采用桩端压力灌浆新工艺后，能大幅度地提高基桩承载能力，减小其沉降，在工程中已应用多年，大量工程实践表明其对不同地层的适应性是不同的，某工程中钻孔灌注桩现场试验结果显示，桩端压力灌浆工艺在卵石层中灌注桩运用效果良好，经济，社会效益显著。
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| 关 键 词： | 桩端 压力灌浆 卵石层 灌注桩 |
| 文章编号： | 1000-4726(2003)02-0111-03 |
| 修稿时间： | 2002-10-12 |
TECHNOLOGY OF PRESSURE GROUTING UNDER PILE TIP AT COBBLE LAYER |
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| YAO Yong WU Xingxu. TECHNOLOGY OF PRESSURE GROUTING UNDER PILE TIP AT COBBLE LAYER[J]. Architecture Technology, 2003, 34(2): 111-113 |
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| Authors: | YAO Yong WU Xingxu |
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| Affiliation: | YAO Yong WU Xingxu |
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| Abstract: | New technology of pressure grouting under pile tip at cobble layer can largely improve pile bearing capacity and reduce its settlement.This technology has applied to project for years.A great number of engineering case indicated that the adaptability of the tech-nology varied in different soil layer.A site test proved a very good performance of pressure grouting under pile tip at cobble layer and e-conomic benefit achieved as well. |
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| Keywords: | cast-in-place pile cobble layer bearing capacity |
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