| 高压喷射注浆法在钻孔桩耐久性抗渗防护中的应用 |
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| 引用本文： | 赵文艺,郑俊杰,鲁燕儿.高压喷射注浆法在钻孔桩耐久性抗渗防护中的应用[J].桥梁建设,2007(1):67-69. |
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| 作者姓名： | 赵文艺 郑俊杰 鲁燕儿 |
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| 作者单位： | 1. 华中科技大学岩土与地下工程研究所,湖北,武汉,430074;中铁大桥局集团第六工程有限公司,湖北,武汉,430052
2. 华中科技大学岩土与地下工程研究所,湖北,武汉,430074 |
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| 摘 要： | 某大桥钻孔灌注桩施工过程中出现2根桩偏位的情况,虽然基桩承载力满足设计要求,但裂缝宽度超过了规范的规定,其耐久性难以保证。介绍采用高压喷射注浆法设置侧向帷幕的方法,对钻孔灌注桩进行耐久性抗渗防护处理。通过检验证明加固效果良好。
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| 关 键 词： | 高压喷射注浆法 钻孔灌注桩 耐久性 加固 |
| 文章编号： | 1003-4722(2007)01-0067-03 |
| 修稿时间： | 2006-10-18 |
Application of High-Pressure Jet Grouting Method to Impermeability Protection of Durability of Bored Piles |
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| ZHAO Wen-yi,ZHENG Jun-jie,LU Yan'er.Application of High-Pressure Jet Grouting Method to Impermeability Protection of Durability of Bored Piles[J].Bridge Construction,2007(1):67-69. |
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| Authors: | ZHAO Wen-yi ZHENG Jun-jie LU Yan'er |
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| Institution: | 1. Institute of Geotechnical and Underground Engineering, Huazhong University of Science and Technology, Wuhan 430074, China; 2, The 6th Engineering Co., Ltd,, China Zhongtie Major Bridge Engineering Group, Wuhan 430052, China |
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| Abstract: | Two bored piles of a bridge are found to offset their designed positions in the construction of the piles.Though the bearing capacity of these two piles can still meet the design requirements,yet the crack width in the piles exceeds the allowable provisions in the specifications and durability of the piles can not be assuredly guaranteed.In this paper,the handling of impermeability protection of the durability of the piles by installing lateral waterproof curtain formed by high-pressure jet grouting method is dealt with.The effect of the protection by the curtain proves to be satisfactory through test verification. |
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| Keywords: | high-pressure jet grouting method bored pile durability strengthening |
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