| 高压旋喷注浆在钻孔灌注桩补强中的应用 |
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| 引用本文： | 姚铁军. 高压旋喷注浆在钻孔灌注桩补强中的应用[J]. 石家庄铁道学院学报, 2005, 18(4): 112-114 |
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| 作者姓名： | 姚铁军 |
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| 作者单位： | 中铁十五局集团公司第二工程公司,河南焦作454001 |
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| 摘 要： | 某高速公路黄家墩中桥因墩下土层为软弱地层而采用钻孔灌注桩作为墩台基础。声波检测桩及钻孔取芯证明，有两根桩在存在严重质量缺陷，必须对桩体进行补强。经过工期和经济分析对比，决定采用高压旋喷注浆技术加固存在缺陷桩体，效果良好。
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| 关 键 词： | 钻孔灌注桩 高压旋喷注浆 桩体补强 |
| 文章编号： | 1006-3226（2005）04-0112-03 |
| 收稿时间： | 2005-04-19 |
| 修稿时间： | 2005-04-19 |
Application of High Pressure Jet Grouting Technique in Enforcement of Faulty Bored Piles |
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| Yao Tiejun. Application of High Pressure Jet Grouting Technique in Enforcement of Faulty Bored Piles[J]. Journal of Shijiazhuang Railway Institute, 2005, 18(4): 112-114 |
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| Authors: | Yao Tiejun |
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| Affiliation: | The 2nd Engineering Company of the 15th China Railway Construction Bureau Group, Jiaozuo 454001, China |
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| Abstract: | Bored and cast reinforced concrete piles were adopted as the foundation for piers and abutments of Huangjiadun Middle Bridge in Lewen Expressway. Sound wave and core inspection indicated that there were severe faults in two piles, which must be enforced to ensure their strength. After analysis and comparison in construction time and cost, high pressure jet grouting technique was chosen for the enforcement and the enforcement effect was satisfactory. |
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| Keywords: | bored and cast concrete pile high pressure jet grouting enforcement of the pile |
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