The calculation of pile negative friction is a important foundation for pile foundation design when pile foundation is in large area filled up ground.
在大面积的填土地基上做桩基础，桩的负摩擦力的计算是桩基设计中的重要依据。
Change of negative friction in pile with consolidation time is simulated by finite element method.
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。
Based on load transferring concept, this paper puts up a new method which USES double broken line model to calculate the negative friction of pile.
基于荷载传递函数的概念，提出了一种用双折线模型来计算桩负摩阻力的方法。
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。
The test of negative skin friction along the single pile or wharf bent piles, which is modeled after piles of ZanJiang harbor, is studied.
结合湛江港某码头工程基桩，用模型试验模拟现场地质情况，对港口单桩、排架桩基负摩擦力进行模型试验。
The greatly reduced capacity of a single pile resulting from the negative friction leaves the end-bearing pile unsuitable in the backfilling soil.
实例分析表明，由于桩侧负摩阻力的影响，单桩承载力大为降低。产生负摩阻力的土层，不宜采用端承型桩基。
Due to the important infection in using foundation, the negative friction in pile has became one of the engineering skill focus.
鉴于负摩擦力对桩基础应用过程中的重要影响，桩基础的负摩擦力已经成为基础工程界的一个技术热点。
Measures to overcome negative friction caused by the collapse of loess in pile foundation are recommended.
为了防止桩基因黄土地基湿陷而产生负摩擦力，介绍了克服桩基负摩擦力的措施。
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。
The test of negative skin friction along the single pile is studied, which is modeled after piles of Zhanjiang harbor.
结合湛江港某码头基桩工程，对桩的负摩擦力进行试验研究。
The characters and the calculation of negative friction of a pile group are given. Several approximately estimating methods are compared with the others and commented on as well in this paper.
主要论述群桩负摩阻力的特点及群桩负摩阻力的计算，并结合国内外几种常用的近似估算法进行比较，对各种计算方法加以评价。
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。
Negative skin friction is one of important problems in design of pile foundation, but the negative skin friction of pile groups considering time effect is less studied.
基桩负摩阻力是桩基础设计中必须考虑的重要问题之一，但是针对考虑土体固结时间效应的群桩负摩阻力研究却相对较少。
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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