This paper analyzes the effect of negative friction on pile's axial force and its calculation.
分析研究负摩擦力对桩轴力的影响及基桩负摩擦力的计算。
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。
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。
Based on load transferring concept, the author puts up with a new method which USES double broken line model to calculate negative friction.
本文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负摩阻力的新方法。
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。
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 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。
By applying theories of Fuzzy sets, proposal is offered of an analytic method of Fuzzy inversion of negative friction on shafts through DE watered subsiding grounds.
采用模糊集理论，提出了一种模糊反演疏水沉降地层井筒负摩擦力的分析方法。
The author ascribed the shaft deformation and failure to a complex contribution of three factors, namely geological weak position, negative friction, and horizontal loading.
在竖井变形破坏的工程调查和总结研究的基础上，提出了徐淮地区竖井变形破坏“三因素综合破坏”观点。
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。
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。
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