| 桥梁桩基特大溶洞处理方法的研究与应用 |
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| 引用本文： | 彭勇锋.桥梁桩基特大溶洞处理方法的研究与应用[J].山西大学学报(自然科学版),2011(Z2):153-156. |
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| 作者姓名： | 彭勇锋 |
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| 作者单位： | 中铁十一局集团第三工程有限公司; |
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| 摘 要： | 介绍了湖南省郴宁高速公路水龙互通主线桥右幅32#墩1#桩基溶洞成功处理的工程实例.该桩地质复杂,溶洞发育、埋深大、溶洞成串状分布、最大高度21m,通过分级注浆和分级下钢护筒的方法,成功对其进行处理,成桩后,现场声测结果表明,该桩为I类桩.
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| 关 键 词： | 钻孔灌注桩 溶洞处理 分级注浆 分级下钢护筒 |
Research and Application of Treatment for Bridge Foundation Large Cave |
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| PENG Yong-feng.Research and Application of Treatment for Bridge Foundation Large Cave[J].Journal of Shanxi University (Natural Science Edition),2011(Z2):153-156. |
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| Authors: | PENG Yong-feng |
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| Institution: | PENG Yong-feng(China Railway 11th Bureau Group Co.,the third project,Shiyan 442012,China) |
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| Abstract: | This article describes the Hunan Chen-ning Shui-long exchange-Ningbo Expressway mainline bridge pier right hand side 32# 1# pile cave successful treatment of the Project.The geological complexity of the pile,cave development,depth large,cave-like distribution of clusters,the maximum height of 21m.Classification and grading by grouting steel casing under way,the success of its treatment,the acoustic field results show that the pile for the Class I pile. |
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| Keywords: | Bored Cave handle Classification grouting Classification under the steel casing |
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