微型钢管-旋喷复合桩在软土区的试验研究
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。
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.
中文标题：
微型钢管-旋喷复合桩在软土区的试验研究
Test and Application of Small Diameter Steel Pipe-Rotary Jet Composite Piles in Soft Soil Area
作者：
吴越琛,王进明
Wu Yuechen,Wang Jinming
作者简介:吴越琛,男,1991年生,汉族,浙江温岭人,大学本科,工程师,主要从事岩土工程、地质工程工作。E-mail:649454824@qq.com
通讯地址：
浙江省岩土基础公司,浙江宁波 315000
ZhejiangGeotechnicalFoundationCompany,Ningbo315000,Zhejiang,China
中图分类号:TU473.1
doi:10.3969/j.issn.1007-2993.2021.02.014
出版物：岩土工程技术
收稿日期:2020-03-17
网络出版日期:2021-11-12
关键词:软土,回填层,微型钢管-旋喷复合桩,承载力,计算公式
Key words:soft clay,backfill layer,small diameter steel pipe-rotary jet composite pile,bearing capacity,calculation formula
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