| 桥梁桩基特殊溶洞处理方法的探讨与应用 |
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| 引用本文： | 刘永贵.桥梁桩基特殊溶洞处理方法的探讨与应用[J].公路工程,2012,37(2):50-52,78. |
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| 作者姓名： | 刘永贵 |
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| 作者单位： | 湖南省郴宁高速公路建设开发有限公司,湖南长沙,410000 |
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| 摘 要： | 湖南省郴宁高速公路水龙互通A匝道1号桥2#墩1#桩基处于京珠高速公路边缘,该桩基溶洞发育、溶洞埋深大、并且成串状分布、最大高度15.94m,处理难度大,施工安全风险高,阐述了该桩处理方案,通过分级帷幕注浆和分级下钢护筒的方法,成功对其进行处理,成桩后,现场声测结果显示该桩为Ⅰ类桩.
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| 关 键 词： | 钻孔灌注桩 特殊溶洞 处理方法 |
Discussion and Application of The Bridge Pile Special Cave Approach |
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| LIU Yonggui.Discussion and Application of The Bridge Pile Special Cave Approach[J].Highway Engineering,2012,37(2):50-52,78. |
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| Authors: | LIU Yonggui |
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| Institution: | LIU Yonggui(Hunan Provincial Chenning Expressway Construction and Development Co.Ltd,Changsha,Hunan 410000,China) |
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| Abstract: | Hunan Province,Chen Ning Expressway water dragon interoperability Ramp A Bridge 2# pier 1# pile in the Beijing-ZhuhaiExpressway edge of the pile cave development and cave depth large,and clusters like distribution,the maximum height of 15.94 m,processing difficult,high risk of construction safety,the paper describes the pile program,successfully be processed through the steel casing under the classification of curtain grouting and grading methods,into a pile after the live acoustic results show that the pile isclass Ⅰ pile. |
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| Keywords: | bored piles special cave approach |
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