| 微型钢管桩在软土地区厂房地基加固中的应用 |
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| 引用本文： | 周莉苹,李倩男,李洁函.微型钢管桩在软土地区厂房地基加固中的应用[J].岩土工程技术,2013(5):263-266. |
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| 作者姓名： | 周莉苹 李倩男 李洁函 |
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| 作者单位： | 浙江宏宇工程勘察设计有限公司,浙江舟山316100 |
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| 摘 要： | 微型钢管桩试验及地基加固施工结果表明微型钢管桩施工中控制水泥及石子的用量，采用二次注浆是保证加固效果的关键；在有碎石填土的地区，微型钢管桩头部形成貌似图钉状的扩大头，能明显提高桩及地基承载力，减小沉降。
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| 关 键 词： | 微型钢管桩 软土地基 二次注浆法 |
Application of Micro Steel Pipe Piles in Soft Soil Region |
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| Zhou Liping Li Qiannan Li Jiehan.Application of Micro Steel Pipe Piles in Soft Soil Region[J].Geotechnical Engineering Technique,2013(5):263-266. |
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| Authors: | Zhou Liping Li Qiannan Li Jiehan |
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| Institution: | Zhou Liping Li Qiannan Li Jiehan (Zhejiang Hongyu Geotechnical Investigation ＆ Building Design Co. , LTD, Zhoushan 316100, Zhejiang, China) |
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| Abstract: | Based on the result of the micro steel tube pile test, it shows that the dosage of the cement and gravel in micro steel pipe piles during foundation reinforcement construction, and the key to guarantee the reinforcement effect by the secondary grouting. The micro steel tube pile head seems like a expanded pin in rubble filled region, which can obviously increase the pile and the bearing capacity of foundation, and reduce subsidence as well. |
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| Keywords: | micro steel pipe pile soft soil foundation two grouting method |
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