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。
The results show that the angle of repose,the angle of internal friction and unconfined yield strength of semi-coke dec.
使用直剪仪对不同粒径的生物质和不同热解温度的半焦进行物性分析,结果表明:热解后,半焦的休止角、内摩擦角和开放屈服强度都明显降低;堆积密度比原料的堆积密度大;从电镜图片分析得出表面结构的变化是物性发生变化的根本原因;400℃半焦的休止角为38。
Data of internal cohesion c and angle of internal friction φ with relations of load p and consolidation time, i.
通过对软粘土的在不同荷和不同时间作用下的抗剪强度参数试验,得到抗剪强度参数内聚力c,内摩擦角φ与荷载p、固结时间t(即固结度U)的关系数据,并据此分析了c、φ与p、U的相关关系式。
Based on the data from geological exploration and experiment of some tailings reservoir at home,this paper discusses the granule variational rule of tailings sand on plane and vertical plane,considering that the correlation to the angle of internal friction unde different granularity,water content,void ratio and relative density.
以国内多座尾矿库的勘察试验资料为基础 ,从坝体尾矿砂堆存的物理特征出发 ,对尾矿砂沿尾矿库纵、横方向的颗粒变化规律 ,尾矿砂的粒径、含水量、孔隙比以及相对密度与尾矿砂的内摩擦角的关系进行探讨。
The cohesive strength and the friction angle in rock-soil triaxial rests;
岩土三轴试验中的粘聚力与内摩擦角
its friction angle and cohesion, has been achieved.
通过研制冻土变角剪切试验仪来测定冻土抗剪强度指标,即冻土内摩擦角和粘聚力;冻土变角剪切试验仪由WDT-100冻土试验机和变角试验装置两部分组成。
The friction angle is mainly controlled by the content of particles greater than 0.
研究了香港全风化花岗岩三轴抗剪强度指标凝聚力c、内摩擦角?同微结构及成分的关系,指出微结构的特点决定了强度特点,?值主要由其石英与长石总含量和颗粒中大于0。
With the rough degree of aggregate s surface going up and the diameter of aggregate being bigger,the inner frictional angle of asphalt mixtures would rise,and with asphalt content going up,asphalt mixtu.
结果表明,骨料特征、沥青含量对沥青混合料路用性能有着显著地影响,随着骨料表面粗糙程度增加和粒径增大,混合料的内摩擦角增加,随着沥青含量增加,沥青混合料的抗开裂性能也明显增加。
The article also expresses the relation between the influence degree and adhesive force(c),inner frictional angle(Φ),upper part structure.
结合国标《建筑地基基础设计规范》(GB5007-2002)中所阐述的确定地基承载力的方法,定性的分析了在弹塑体假定条件下,地基承载力受地下水位在基底塑性区开展深度范围内变化时的影响程度,简述了地基承载力受地下水的影响程度与基底土层的粘聚力 C、土的内摩擦角Ф、及上部结构间的关系,指出地下水位在枯水期和丰水期的上下波动对地基的稳定性存在不利影响,而在实际工程设计中此影响往往容易忽视,希望设计者要根据实际情况,充分考虑到这种不利因素,保证上部结构的安全与稳定。
In order to resolve this problem,Some triaxial tests to simulate the practical stress paths of unsaturated soil are introduced,the affection and changed properties of cohesion and inner frictional angle of unsaturated soil disturbed by construction is researched.
为了解决这个问题 ,采用了三轴试验 ,通过对非饱和土施工时的应力路径的模拟 ,研究了由于基坑开挖所产生的扰动对土体的强度参数 (粘聚力和内摩擦角 )的影响 ,以及这两个强度参数的变化特性。
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
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