探讨了等强度悬臂梁的动应变分布。
Distribution of dynamic strains for beam of constant strength has been investigated.
膨胀土的动应变与荷载作用次数之间也有类似的关系。
There is similar relationship between dynamic strain of expansive soil and the number of loading repetition.
包括击实试验、无侧限强度试验、动应变和动强度试验等。
The tests include compaction test, unconfined compression test, dynamic strength and dynamic strain test and so on.
在动应力条件下,振次几乎对动应变中的弹性应变的变化没有影响。
Vibration times hardly have effect on the changing of the elastic strain in the condition of the dynamic stress.
对试验结果进行分析可得:动应力幅值对试样的轴向动应变影响显著;
The results show that the dynamic stress level has strong effect on dynamic axial strain.
这里对动应变测量系统进行分析,并在实测中验证了该测量系统的功能。
The paper has analyzed the dynamic strain measurement system and verified the functions of it through experiment.
针对一类航天器外伸结构的结构振动问题,提出了一种动应变控制方法。
Some space structures have critical vibration problems owing to their low stiffness and low damping.
介绍了等强度梁动应变冲击试验测试仪器的控制系统设计和其中一些关键技术。
The design of dynamic strain impact testing apparatus of beam with equal strength and some important technique are introduced.
利用电阻应变计开发的动应变测量系统,成功的实现了机械振动信号的动态检测。
The dynamic test in signal detection of mechanical vibration are realized by using resistance strain gauges.
岩石的不可逆塑性变形随动应变增加而增大,同时由循环荷载引起的损伤变形也逐渐增加。
Moreover, the irreversible plastic deformation of rock increased, and at the same time, the fracture deformation of rock gradually increased, which was produced by cyclic load.
采用动割线模量的概念对试验数据进行了分析,认为不同试样动割线模量与动应变的关系曲线都符合双曲线的变化规律。
The dynamic secant elastic modulus is introduced to analyze the test data, and the results indicate that the dynamic secant elastic modulus-strain curves of all test models are hyperbolic type.
在相同的动应变水平下,LCES的阻尼比比粘土要小,提高水泥含量并降低EPS颗粒含量后,LCES的阻尼比显著减小。
At the same strain level, the damping ratio of LCES is smaller than soft clay's, and it decreases to a quite low level with high cement content and low EPS content.
通过对带裂纹厚壁筒试件外壁动应变的测定,和用有限元方法计算冲击内压下动应变的变化规律,求出了实验中所加的冲击内压。
By measuring the dynamic strain of the cylinder and calculating the dynamic strain by finite element method, the impact internal pressure of experiment is determined.
给出了爆炸荷载作用下锚筋动应变及动粘结应力的时程分布曲线和空间分布曲线,研究了锚长、加载速率和加载方式等各种因素的影响。
Time history curve and space curve of the dynamical strain and bond stress of insert rebar with different anchorage length and loading conditions were gained.
利用电阻应变片、动态压力传感器、滑环式引电器和磁带记录仪等,录取叶片振动应变和动叶出口压力信号,然后回放磁带,做信号处理。
Using resistance strain gage, dynamic pressure sensor, slip ring and tape recorder, the blade vibration strain and exit pressure signals of rotor blades are recorded and then processed.
本文利用动力三轴仪模拟列车荷载作用下铁路路堑中超固结粘性土的受力情况。 研究了在列车荷载作用下该土的动应力与动应变的关系及轴向永久变形的若干规律。
This paper discusses the stress conditions of the overconsolidation cohesive soils cut out of the railway under the load of a moving train simulated through applied dynamic triaxial apparatus.
设计了与这种传感器配用的,适合于动、静态测量的土壤应变仪,给出了它的主要性能指标。
The structure and main specifications of the instrument designed for the measurements of both static and dynamic strain in soil are presented here.
因此,本文从研制高精度中型动三轴仪入手,采用微小应变测试技术,以实现这一目标。
In this thesis, the medium scale dynamic triaxial apparatus, with micro strain measure technique, is developed to realize the aim.
介绍了动、静应变红外遥测信号传递的一种新方法——旁侧输出法。
This paper presents a new method of infrared telemetering of dynamic and static strain side output method.
同时得出厦门淤泥土在等压固结条件下相同破坏应变的动强度约为静强度的2/3。
Simultaneously about as 2/3 static strength as dynamic strength at same failure strain under equipressure consolidation condition of mucky soil in Xiamen is gotten.
最后,绘制了试样轴向应变与动孔隙水压力系数的关系曲线,并分析了曲线的变化规律。
Finally, the curves of axial strain and dynamic pore water pressure coefficient were figured and analyzed.
用流函数法确定了宽截面薄壁铝型材挤压变形动可容速度场、应变速率场及上限功率。
The flow function method is used to build the kinematically admissible velocity field, the strain rate field and the upper bound deformation power of wide section Aluminum shape extrusion.
不同应变速率下的动强度包络线呈现相似形式,服从抛物线破坏准则。
The failure envelopes of dynamic strength of frozen silt under different strain rates resemble each other in shape, namely, obey the parabola failure criterion.
提出一种修正的随动硬化材料塑性应变关联流动律。
A modified associated flow rule of plastic strain for kinematic hardening materials is presented.
用流函数法确定了实心薄壁铝型材挤压变形动可容速度场、应变速率场及上限功率。
The flow function method is used to define the kinematically admissible velocity field, the strain rate field and the upper bound deformation power of solid aluminum shape with thin wall extrusion.
通过实际工程的低应变桩基动测,发现打入桩的波速随时间提高。
Low strain dynamic testing on actual pile was conducted to investigate if the wave velocity is varied in the installed pre-cast pile.
两种材料焊接接头在动载和预应变下的屈服强度和抗拉强度均有所提高,但对其塑性影响均不大。
The yield and tensile strength of the welded joints of the two kinds of materials increase under dynamic loading and prestrain condition that have little effect on the plasticity of structural steel.
测量和记录磁致伸缩的设备包括电阻应变片,动 态应变仪和计算机采集系统。
The equipment to measure and record magnetostrictive includes the resistance strain slice, the dynamic strain device and the computer acquisition system.
通过分析可得,粘贴层剪切应力的分布与致动器端部附近的应变分布有相似的特征。
This paper shows that the shear stress distribution in bonding layer has similar characteristics as the strain distributions near the ends of the actuator.
通过分析可得,粘贴层剪切应力的分布与致动器端部附近的应变分布有相似的特征。
This paper shows that the shear stress distribution in bending layer has similar characteristics as the strain distribution near the ends of the actuator.
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