| 灌注桩后压浆技术的工程实践 |
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| 引用本文： | 胡胜华,张所邦,韩朝,刘宝斌,汤士博.灌注桩后压浆技术的工程实践[J].探矿工程,2014,41(12):71-74. |
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| 作者姓名： | 胡胜华 张所邦 韩朝 刘宝斌 汤士博 |
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| 作者单位： | [1]湖北鄂西地质基础工程有限公司,湖北宜昌443100; [2]辽宁省第七地质大队,辽宁丹东118003 |
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| 摘 要： | 钻孔灌注桩的孔底沉渣和桩侧泥皮限制了灌注桩的应用，而灌注桩后压浆技术的应用，较好地解决了这一难题。结合工程实际，叙述了后压浆技术的施工技术要点和施工控制措施，分析了影响注浆管“开塞”的因素及确保成功“开塞”的技术措施。
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| 关 键 词： | 钻孔灌注桩 后压浆 孔底沉渣 注浆器开塞 |
| 收稿时间： | 2014/6/12 0:00:00 |
| 修稿时间： | 2014/7/28 0:00:00 |
Engineering Practice of Post-grouting in Cast-in-situ Pile |
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| HU Sheng-hu,ZHANG Suo-bang,HAN Chao,LIU Bao-bin and TANG Shi-bo.Engineering Practice of Post-grouting in Cast-in-situ Pile[J].Exploration Engineering(Drilling & Tunneling),2014,41(12):71-74. |
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| Authors: | HU Sheng-hu ZHANG Suo-bang HAN Chao LIU Bao-bin and TANG Shi-bo |
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| Institution: | HU Sheng-hua, ZHANG Suo-bang, HAN Chao, LIU Bao-bin, TANG Shi-bo (1. Hubei West Hubei Geological Foundation Engineering Co. , Ltd. , Yichang Hubei 443100, China; 2. The 7th Geological Unit of Liaoning Province, Dandong Liaoning 118003, China) |
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| Abstract: | The application of bored pile is restricted because of the hole bottom sediment and mudcake on pile, which is solved by the post-grouting technology in cast-in-situ pile construction.Combined with the engineering practice, the paper discusses the main technical points and control measures in construction of post-grouting and analyzed the affecting factors on holes “rushing” of grouting pipe and the technical measures to ensure the holes “rushing” of grouting pipe. |
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| Keywords: | bored cast-in-situ pile post-grouting hole bottom sediment holes “rushing” of grouting pipe |
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