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。
This paper analyzes the effect of negative friction on pile's axial force and its calculation.
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 test of negative skin friction along the single pile is studied, which is modeled after piles of Zhanjiang harbor.
分析研究表明导致立井壁破坏的主要原因是井壁负摩擦力和温度应力。
The main causes of shaft wall fracture contain the reverse friction force and the temperature stress.
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。
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.
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。
The calculation of pile negative friction is a important foundation for pile foundation design when pile foundation is in large area filled up ground.
分析临涣煤矿区竖井井壁破坏的原因，主要是由负摩擦力产生的纵向荷载引起的。
According to the analysis for failure reasons of vertical shaft wall in Linhuan Coal Mine, its main reason is longitudinal load produced by negative frictional force.
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。
Measures to overcome negative friction caused by the collapse of loess in pile foundation are recommended.
实例证明桥台软土地基在成桩前预先处治，消减桩基负摩擦力，可以避免桩基沉降。
It is proved that pretreatment of the soft ground at abutment can effectively reduce the said friction and avoid settlement of pile foundation.
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。
Due to the important infection in using foundation, the negative friction in pile has became one of the engineering skill focus.
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 test of negative skin friction along the single pile or wharf bent piles, which is modeled after piles of ZanJiang harbor, is studied.
所以摩擦力做负功-，转化成热能。
讨论滑动摩擦力作功，说明了滑动摩擦力可以使刚体的平动动能和转动动能之间相互转换，但总是作负功。
It is pointed out that translational kinetic energy and rotational kinetic energy mutually transferred by sliding friction force, but it only has positive acting.
讨论滑动摩擦力作功，说明了滑动摩擦力可以使刚体的平动动能和转动动能之间相互转换，但总是作负功。
It is pointed out that translational kinetic energy and rotational kinetic energy mutually transferred by sliding friction force, but it only has positive acting.
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