| 被动桩基现场试验研究现状与分析 |
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| 引用本文： | 郭光照,谢敏,吕义辉,苏中,邓涛.被动桩基现场试验研究现状与分析[J].路基工程,2014,0(6):16. |
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| 作者姓名： | 郭光照 谢敏 吕义辉 苏中 邓涛 |
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| 作者单位： | 1.中土集团福州勘察设计研究院有限公司, 福州 350001 |
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| 基金项目： | 中土集团福州勘察设计研究院有限公司科研项目:侧向堆载下被动桩基的受力性状及桩-土相互作用研究 |
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| 摘 要： | 被动桩受力性状的研究比主动桩复杂,一直是岩土工程关注的重点和难点问题。回顾了国内外被动桩现场试验的研究进展和现状,重点介绍了大面积堆载、桩基码头与岸坡作用、路基桥台填筑引起的被动桩在有无桩顶轴向荷载情况下的中性点位置和下拉荷载的变化,以及群桩的遮拦效应和土拱效应等方面的研究现状。对当前的研究现状进行简评,并对今后的研究方向进行了展望。
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| 关 键 词： | 被动桩 现场试验 中性点位置 遮拦效应 土拱效应 |
| 收稿时间： | 2019-11-12 |
Research and Analysis on Field Tests for Passive Pile |
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| Authors: | GUO Guangzhao XIE Min LYU Yihui SU Zhong DENG Tao |
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| Abstract: | The study on the bearing capacity behavior of passive pile,which is more complex than that of active pile,is always the focus and concern in geotechnical engineering.This paper reviewed the progress and status quo of the study on field tests for passive pile at home and abroad,and laid the stress on the introduction of large-area loading,interaction between piled wharf and bank slope,the changes in the neutral point position and downward load of the passive pile with and without pile top axial load,which arise out of subgrade and abutment filling,as well as the research status on the pile group’s shielding and soil arching effects.In addition,the current research was commented and the future study forecasted. |
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| Keywords: | passive pile field test neutral point position shielding effect soil arching effect |
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