| 微型钢管-旋喷复合桩在软土区的试验研究 |
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| 引用本文： | 吴越琛,王进明.微型钢管-旋喷复合桩在软土区的试验研究[J].岩土工程技术,2021(2):137-140,F0003. |
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| 作者姓名： | 吴越琛 王进明 |
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| 作者单位： | 浙江省岩土基础公司 |
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| 摘 要： | 软土地质条件下的既有建筑物地基基础加固或改造面临诸多复杂条件,施工安全和周边环境保护尤为重要,为此提出微型钢管--旋喷复合桩工艺。通过开展微型钢管--旋喷复合桩各项承载力现场试验研究,获取钢管桩应变数据,分析其承载特性及传力机制,总结提出微型钢管--旋喷复合桩承载力设计计算公式,为开展工程应用提供理论依据。
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| 关 键 词： | 软土 回填层 微型钢管--旋喷复合桩 承载力 计算公式 |
Test and Application of Small Diameter Steel Pipe-RotaryJet Composite Piles in Soft Soil Area |
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| Wu Yuechen,Wang Jinming.Test and Application of Small Diameter Steel Pipe-RotaryJet Composite Piles in Soft Soil Area[J].Geotechnical Engineering Technique,2021(2):137-140,F0003. |
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| Authors: | Wu Yuechen Wang Jinming |
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| Institution: | (Zhejiang Geotechnical Foundation Company,Ningbo 315000,Zhejiang,China) |
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| Abstract: | The foundation reinforcement or reconstruction of existing buildings under soft soil conditions is faced with many complicated conditions.Construction safety and surrounding environmental protection are particularly important.A small diameter steel pipe-rotary jet composite pile process is proposed.Through field test research on various bearing capacity of small diameter steel pipe-rotary jet composite piles,strain data of steel pipe pile are abtained,and its bearing characteristics and force transmission mechanism are analyzed,summarizing and proposing the design calculation formula of small diameter steel pipe-rotary jet composite pile are summerized and proposed,which provide a theoretical basis for engineering applications. |
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| Keywords: | soft clay backfill layer small diameter steel pipe-rotary jet composite pile bearing capacity calculation formula |
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