The characteristics of active earth pressure changing with the displacement of the retaining wall are considered,and the relationship between the outer friction angles and the wall movement is introduced.
文章针对平动位移刚性挡土墙墙后主动土压力的分布特点及规律,引入了内外摩擦角与位移之间的关系公式,得出了最危险滑动面倾角的计算公式;分析了能量法在计算挡土墙土压力中的应用,并对能量法提出的土压力计算公式进行了改进,把改进后的计算值和未改进过的计算值分别与实际值比较;结果表明,采用改进后的计算公式计算出的压力值更符合实际情况。
A direct shear apparatus development for grain internal friction angle measurement;
测定粮食内摩擦角的直剪仪研制
The previous research took only the influence of material internal friction into the study on destruction of compression sample, and got the material internal friction angle φ of 10°～30°.
在分析试件的破坏问题时考虑了前者的影响 ,得到铸铁材料内摩擦角 φ的取值范围为 10°～ 30°的结论。
The statistical laws between internal friction angle and compactness are .
试验结果表明:风积沙的压实可采用常规的击实试验方法和振动密实法,压实效果受颗粒级配、含水量、荷载大小、振动频率及振幅等多种因素影响;风积沙的内摩擦角与压实度之间呈线性变化规律,颗粒级配是主要影响因素,含水量影响较小;风积沙的室内回弹模量和加州承载比与压实度之间大致呈非线性增大规律,在某一压实度区间增大的幅度非常小。
A correlative equation of the friction angle, water ratio and the proportion of coarse granule was founded and the range of its application was indicated according to the laboratory simulation shear testing of Zhangbagou Limestone Mine s weak intercalation.
通过对张坝沟石灰石矿山软弱夹层土样的室内模拟剪切试验,探讨泥质软弱夹层的内摩擦角与其颗粒组分和含水率之间的定量关系,建立了该软弱夹层的内摩擦角与其含水率和粗颗粒含量的相关方程。
At the same time the friction angle is originally defined, which can describe the extent of the slip friction in the radial direction.
通过分析旋转型行波超声电机接触界面上的相对运动趋势和动力传递机理,指出定、转子存在径向滑动的现象,由此建立了考虑径向滑动的三维接触模型,并提出描述径向滑动趋势大小的指标——摩擦角,在此基础上结合定子与转子的动力学描述得到了整个电机的数学模型。
After that,the formulas about the rupture angle and the friction angle are presented,and the formula of their relationship is also presented.
首先,根据简单拉伸和压缩试验推导了该模型参数的公式,讨论了第一主应力和第三主应力之间的关系及破坏模式;然后,定义了摩擦角和破坏角,导出了相应的公式,并且给出了两者之间关系表达式。
internal friction angle
(土壤) 内摩擦角
Factors Affecting Measurement of Angle of Internal Friction of Wheat,Paddy and Corn
小麦、稻谷及玉米内摩擦角的测定与比较研究
Influence of pile spacing, pile cap dimension and angle of internal friction of embankment filling on the pile efficacy is analyzed.
研究了桩间距、桩帽大小和填料内摩擦角对桩体荷载分担比的影响。
frictional soil
内摩擦阻力大的土壤
There were constant conflicts among policemen and officials.
警察内部和官员内部经常发生摩擦。
Frictional forces may still be important, however.
虽然如此，摩擦力仍可能扮演重要角色。
This paper objectively expounds the frictional mechanism of plastic deformed surface from the angle of tribology.
文章客观地从摩擦学角度阐明了塑性变形表面的摩擦机理。
The Research on Theory and Frictional Coefficient-experiment of Trigonal Slider Based on Tribology;
基于摩擦学三角形滑块的理论及其摩擦系数实验研究
EXPERIMENTAL STUDY OF FRICTIONAL CHARACTERISTICS ON RECTANGULAR MICROTUBES
矩形微管内摩擦阻力特性的实验研究
Study on Main Framework for Engine Tribology Design System
内燃机摩擦学设计系统主框架的研究
"There are three classes offriction: dry, greasy, and viscous. "
有三种摩擦状态:干摩擦、滑动摩擦和粘性摩擦。
pertaining to or worked or produced by friction.
关于摩擦或摩擦力，由摩擦或摩擦力产生。
To warm by rubbing, as with the hands.
摩擦生热摩擦以生热，尤指用手摩擦
Research on International Trade Friction from the Perspective of Structure, Technology and Institutions;
结构、技术与制度视角下的国际贸易摩擦研究
Mechanical and Tribological Behaviours of Several Mammal Keratin Materials;
哺乳动物角蛋白材料力学及摩擦学行为研究
Development on Friction Torque Meter for Paired Angular Contact Ball Bearings;
成对角接触球轴承摩擦力矩测量仪研制
Interest Distribution,Public Choice and Trade friction-Perspective of Evolutionary Game Theory;
利益分配,公共选择与贸易摩擦——演化博弈的视角
Analysis on the Problems of Sino-US Trade Friction with the Viewpoint of Texture Industry;
以纺织业为视角的中美贸易摩擦问题分析