...权网上交易中心 关键词： 负摩阻力；深桩基础；下拉荷载；群桩效应；基桩[gap=774]Key words： negative frictional resistance； deep pile foundati on； downward load； action of group piles； foundation pile..
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...负摩阻力 [gap=1561]g; long-short-pile; finite element method; axial force; positive friction force; negative friction force ...
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Furthermore, the paper discusses mechanism, forming condition and distributing of negative skin friction respectively.
论述负摩阻力产生的机理、形成条件以及负摩阻力的分布。
参考来源 - 单桩负摩阻力形成机理及其时间效应研究·2,447,543篇论文数据，部分数据来源于NoteExpress
分析了在桩顶荷载作用下的负摩阻力特性。
The characteristics of negative skin friction (NSF) with working load on pile top were analyzed.
采用有限元方法模拟了基桩负摩阻力随着固结时间的变化。
Change of negative friction in pile with consolidation time is simulated by finite element method.
并根据打桩引起的桩负摩阻力概念对两类桩基沉降差异的机制作了分析。
And the mechanism causing the difference is also analyzed based on the concept of negative frictional resistance.
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