| 杭州滨江区钻孔灌注桩桩端后压浆施工实践 |
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| 引用本文： | 王德武,张辉义.杭州滨江区钻孔灌注桩桩端后压浆施工实践[J].探矿工程,2009,36(12):54-56. |
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| 作者姓名： | 王德武 张辉义 |
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| 作者单位： | 浙江省岩土基础公司杭州分公司,浙江杭州310015 |
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| 摘 要： | 钻孔灌注桩桩端后压浆技术具有提高单桩承载力、保证桩基施工质量、节约造价等优点，适用于持力层为砂砾石或碎（卵）石土层的钻孔灌注桩工程。通过工程实例，对桩端后压浆技术的加固机理、施工工艺及施工过程中出现问题的处理方法作了详细阐述。
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| 关 键 词： | 钻孔灌注桩 桩端后压浆 单桩承载力 |
| 收稿时间： | 2009/7/8 0:00:00 |
| 修稿时间： | 2009/7/8 0:00:00 |
Construction Practice of Bored Cast-in-place Pile Post Grouting in Hangzhou |
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| WANG De-wu and ZHANG Hui-yi.Construction Practice of Bored Cast-in-place Pile Post Grouting in Hangzhou[J].Exploration Engineering(Drilling & Tunneling),2009,36(12):54-56. |
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| Authors: | WANG De-wu and ZHANG Hui-yi |
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| Institution: | (Handzhou Branch, Zhejiang Geotechnical Foundation Co. , Hangzhou Zhejiang 310015, China) |
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| Abstract: | Bored cast-in-place pile post grouting can promote the bearing capacity of single pile, guarantee the pile construction quality and save construction cost, which fit to bored cast-in-place pile engineering in bearing layers of sandy gravel and gravel soil. With the field case, the paper detailed the reinforcement mechanism, construction technology and treatment measures for construction difficulties. |
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| Keywords: | bored east-in-place pile post grouting bearing capacity of single pile |
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