简述了静态应力应变测量的基本方案,并对方案实施中的几个测量技术问题做了较详细的论述,给出了测量结果的一般分析方法。
Gives the basic scheme of static stress and deformation, and discuss some measure technology problem carefully, at last, supports the analysis-method of measure result.
当进一步对碎片施加应变,碎片的长度不再减少时,我们测量这个长度,并由此计算界面剪切应力。
The fragment length at which no more breaks occur when applying further strain to the specimen is measured and from this calculation of the interfacial shear stress is done.
本文以纳米压痕法结合量纲分析及有限元方法来测量薄膜材料的应力-应变关系。
In this master thesis, the stress-strain relationships of thin films were measured by nanoindentation combined with dimensional analysis and finite element method.
为验证大棚骨架的强度,用农机测试中的应变测量法,来探索其内部应力的变化情况。
The strain test in the agricultural machinery field was used to probe the stress variation inside a frame in order to examine the strength of the plastics greenhouse frames.
通过对钢制内压球形封头和圆筒形容器的应变测量及应力进行分析,发现了数据中存在的一些问题。
By measuring the strain of the steel internal pressure vessel which has a hemispherical head and a cylindrical shell, analyzing the stress, we discover the data exists the problem.
本文提出一种利用小型实验装置测量推进器药柱表面应力应变响应的技术。
The paper presents a novel technique to measure the stress strain response at the exposed surface of propellant grain using a miniature-testing device.
主要观察指标:测量神经断裂时的最大负荷、功耗,并描绘出神经应力—应变曲线。
MAIN OUTCOME MEASURES: the peak load and the power consumption were measured when the nerves ruptured and the nerve stress strain curve was described.
采用电阻应变测量技术研究了带有初始随圆度的弯管在纯内压作用下的应力分布。
The stress distribution of a curved pipe with an initial elliptic cross section under internal pressure was studied by using electric resistance strain method.
应变片钻孔法是工程中应用最广的残余应力测量方法之一。
Strain gage hole drilling method is one of the most popular residual stress measurement methods.
在模型实验应力分析中采用脆性涂料法确定模型机架最大主应力部位和主应力方向,采用电阻应变测量法确定模型机架的主应力水平。
Stress coating is adopted in order to determine the points and directions of the most main stress of the frame, resistance strain gauge method used for determining main stress value of the frame.
发现在相同测量方式下,随降温速率的增大或测量温度的降低,屈服应力增大、屈服时间变长、屈服应变减小。
Results show that with the increase of cooling rate or decrease of measurement temperature, both the yield stress and yield time increase, but the yield strain decreases.
本文简要介绍了高温应变测量原理和技术在大型汽轮发电机转子护环热套应力测试中的成功应用。
The technique and its principle of high temperature strain measurement are introduced to determine heat sleeve stress about rotor retaining ring of large turbogenerator.
该论文介绍了当电阻应变法用于压力容器应力测量时具有的一些明显的特点及注意事项和可能遇到的一些技术问题。
On basis of practice teaching, this paper introduced some obvious features and attentions and some technic problems when measuring pressure vessels stress with resistance strain gauge.
本文采用单试样逆光拍照法对延性材料拉伸试验缩颈后的真实应力-应变进行了有效的测量。
The backlight photography with single sample was used to measure the true stress-strain of the ductile material after necking in tensile test.
用应变片法测量了层板中铝层的残余应力;
The residual stresses were measured by means of strain gauges.
本文叙述了钻孔法测量残余应力过程中的附加应变。
For the process of residual stresses measurement, strains induced by drilling have been investigated.
混凝土内部应力测量关键在于应力应变转换,而应力应变转换关键在于徐变系数的识别。
The key to concrete stress measure is the translation from strain to stress. And the transition 's key is the identification of creep factor.
此外还介绍了用两种三轴应变计进行岩体应力测量的结果以及能考虑自重边界元法的实际应用。
Results of measurements on rock mass stresses by two kinds of triaxial strain cells are reported. Finally the possible applications of BEM with gravity are discussed.
并详尽地讨论了应力应变电测技术在船用柴油机轴功率测量中的应用。
It also discusses in detail the application of the technique to measurement of the power of a Marine diesel engine.
本文对表面微观屈服应力的测量与计算方法及表面变形的应力应变曲线进行了分析研究。
The calculation of micro-yield stress in surface layer and the stress-strain curves of surface layer deformation were studied.
梁的应力应变参数与其刚度存在直接关系,因而应变模态测量可望用于桥梁损伤检测。
The stress and strain parameters of girder have direct relationship with its stiffness. So the strain information of bridges can be applied to damage detection.
采用光纤应变测量仪对桥梁钢索的应力应变在载荷情况下的变化进行了实验研究。
The strain_stress variation measuring experiments of steel_cable_stayed bridge model under loading condition were done by using fiber optic strain sensing instrument.
文中针对铝合金预拉伸厚板的特点,提出了测量其内部残余应力的方法,并运用弹性力学理论进行了理论推导,得到了应力-应变关系矩阵。
The modified removal method for measuring residual stress in thick pre-stretched aluminum plates is proposed and the stress-strain relation matrix is deduced by elasticity theory.
针对钻孔法测量残余应力方法中变形测量存在的误差,提出用光栅应变花测量钻孔所释放的残余应变。
For eliminating the errors in deformation measuring and improving the accuracy in hole-drilling method, this paper presented an optical technique, grating rosette and moire interferometry.
从钢铁结构工程应用的角度,迫切需要一种既能检测构件应力大小、分布以及构件的疲劳,而不通过测量应变而测应力,就能瞬时、定点、在线的检测方法。
Therefore a method for testing the magnitude and distribution of residual and fatigue lives of structure and member inside iron and steel components without testing their strains is urgently needed.
测量应用采用完全温度补偿技术和自动化记录系统的空心包体应变计进行,得出了该地区地应力分布的基本规律。
To find out thoroughly the reasons of slopes unstability, earth stress has been measured at slope by means of technique of temperature compensation and automatic recording.
通过试验测量其壳体应力、层间间隙、衬里环向应变来评价复合效果。
The effect of the compound figuration is then evaluated by measuring the shell stress, the layer gap and the lining circumferential strain during the hydraulic bulge.
介绍了应力应变电测技术的基本原理,分析和设计了电阻应变测量电路。
The basic principle of strain electronic measurement technique is introduced. The circuit of strain measurement with bonding resistance is analyzed and designed.
应变测量基础——介绍应变,应力,印制板弯翘的概念以及应变片等。
Fundamentals of strain Measurement -definition of strain, stress, board flexure and strain gages.
介绍了小孔释放法测量残余应力的原理,给出释放应变与残余应力之间的关系公式。
The theory on the measurement of the residual stresses by the hole drilling method was introduced, and the relationship between the relieved strains and the residual stresses was given.
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