The characteristics of negative skin friction (NSF) with working load on pile top were analyzed.
分析了在桩顶荷载作用下的负摩阻力特性。
Combined with the previous results and the property of PCC pile, based on Terzaghi consolidation theory, mechanism of negative skin friction of PCC pile has been studied.
结合以往研究实心桩的成果和PC C桩自身的特点，基于太沙基固结理论，探讨了PCC桩负摩阻力作用机理。
Then, the effect of pile head vertical load value on negative skin friction is analyzed.
对桩顶荷载大小的影响进行了研究。
Engineering accidents often occur due to negative skin friction in pile foundation engineering. The research on problems of negative skin friction has been paid more and more attention.
工程中，因负摩阻力问题造成工程事故屡有发生，负摩阻力问题相关研究现在越来越受到重视。
Engineering accidents often occur due to negative skin friction in pile foundation engineering. The research on problems of negative skin friction has been paid more and more attention.
工程中，因负摩阻力问题造成工程事故屡有发生，负摩阻力问题相关研究现在越来越受到重视。
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