| 城市桥梁桩基穿越溶洞预注浆施工技术 |
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| 引用本文： | 张琨,刘建民,邬欢,吴木平. 城市桥梁桩基穿越溶洞预注浆施工技术[J]. 施工技术, 2011, 40(1) |
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| 作者姓名： | 张琨 刘建民 邬欢 吴木平 |
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| 作者单位： | 中国建筑第三工程局有限公司,湖北,武汉,430064 |
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| 摘 要： | 以白沙洲大道改造项目为例,介绍了防范桩基穿越溶洞时漏浆、塌孔乃至地面塌陷的预注浆处理技术。详细介绍了预注浆的施工方法、异常情况处理、注浆终止标准和效果检查。该技术的采用保证了桩基顺利成孔。
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| 关 键 词： | 城市桥梁 桩基成孔 多层溶洞 预注浆 |
Pre-grouting Technology Used in Pile of Urban Bridge Crossing Karst Cave |
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| Zhang Kun,Liu Jianmin,Wu Huan,Wu Muping. Pre-grouting Technology Used in Pile of Urban Bridge Crossing Karst Cave[J]. Construction Technology, 2011, 40(1) |
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| Authors: | Zhang Kun Liu Jianmin Wu Huan Wu Muping |
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| Affiliation: | Zhang Kun,Liu Jianmin,Wu Huan,Wu Muping(China Construction Third Engineering Bureau Co.,Ltd.,Wuhan,Hubei 430064,China) |
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| Abstract: | Based on Baishazhou Avenue reconstruction project,pre-grouting technology to avoid mud leakage,hole collapse and ground collapse when piles cross karst cave is introduced.Construction technology of pre-grouting,abnormal condition and treatment,termination standard and result inspection of grouting are introduced in detail.It makes bores formation of pile foundation smooth. |
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| Keywords: | urban bridge bores formation of pile foundation multilayer cave pre-grouting |
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