An orthotropic equivalent uniaxial stress-strain constitutive model of concrete is used.
采用了等效单轴应力应变混凝土本构模式。
The condition of uniaxial stress is closely approximated in prismatic bars subjected to pure axial tensile.
单轴的应力状态跟棱柱杆承受单纯轴向拉伸十分近似。
The solution, analysis and experimental validation of the new equation under uniaxial stress were performed.
然后，对该方程在单轴应力条件下进行了求解、分析与试验验证。
Recently progresses have been made using the relationship between magnetic output and principal stresses difference under uniaxial stress.
利用单向应力下磁输出信号与主应力差间的关系，即主应力差法，国内外已取得了一定的成果。
Users do nothing but inputting material uniaxial stress-strain relation, which conforms to the demand of objectivity and handiness of parameter input;
使用者只需输入纤维材料的单轴应力应变关系，符合参数输入客观性和易操作性的要求；
This paper delivered the relationships of uniaxial tensile and compressive stress with strain and bending properties, and felt-bending strength of cement mortar with polyvinyl acetate (PVAC).
研究掺聚醋酸乙烯水泥砂浆的轴拉和轴压应力—应变关系、抗弯性能以及长期粘结抗弯强度。
A mechanical model is built firstly for single microcrack under uniaxial compression loading, and the stress component of microcrack end is calculated.
首先建立单一微裂纹在单轴压缩荷载作用下的力学模型，求出裂纹端部的应力分量。
By shifting the mean stress and the sine wave stress amplitude, uniaxial cyclic experiments were performed to study the dynamic response of fluid-saturated sandstones and marbles.
在单轴循环加载实验中不断改变平均应力和正弦波应力振幅的实验条件下，研究饱和砂岩和大理岩的动态响应。
The endochronic constitutive equations under uniaxial and biaxial tensile stress state are given to analyze diffuse instability and localized instability.
推导出单向和双向拉伸应力状态下的内时本构方程，据此分析了分散性失稳和集中性失稳。
The influence of peak ratchetting stress on ratchetting deformation of this alloy is investigated based on uniaxial ratchetting tests of T225NG titanium alloy at room temperature.
基于T225NG钛合金的单轴常温棘轮试验，本文研究了峰值棘轮应力对T225NG钛合金棘轮应变的影响。
The test results show that: the hard brittle marble obviously performs time-lagged destruction under long time of pre-peak stress uniaxial compression.
试验结果表明：在应力峰值前的长时间单轴压缩作用下，硬脆性大理岩的破坏表现出明显的时滞性；
The flow stress of ferrite/pearlite steel under uniaxial tension was simulated with finite element method (FEM) by applying commercial software MARC/MENTAT.
应用MARC/MENTAT商用有限元软件，对铁素体/珠光体钢的单向拉伸过程进行了有限元模拟。
The experiment results show that composites with large braiding Angle have complex crack forms under uniaxial tensile loading and the tensile stress-strain curves take on nonlinear characters.
实验数据表明：大编织角复合材料在单向拉伸作用下的破坏形式较为复杂，其应力-应变曲线呈现非线性特性。
According to cracking mechanism of rock, this article presents a model of complete stress-strain under uniaxial compress in minute cracking.
根据岩石的破裂机理，本文提出了在单轴压力下的全应力应变关系的微观破裂模型。
Simple reference states can be used to solve engineering problem. Through simulating the overall curvature of rock's stress-strain relationship under uniaxial compression, parameters are attained.
解决工程问题时，可以选择简单的参考状态，并用拟合岩石单轴受压的全过程应力应变关系曲线确定扰动因子的参数。
On the MTS pressure machine, a set of hysteresis graphs of stress-strain under uniaxial cycling loadings for different rock samples such as sandstone and granite were obtained.
在MTS压机上进行了砂岩、花岗岩等不同岩石样品的多种循环加卸载实验，得到一系列应力—应变曲线。
Comparing with the uniaxial compression, the Young's modulus and the yield stress of the biaxial compression increase obviously.
与单轴压缩相比较，双轴压缩的弹性模量和屈服应力有明显的提高。
In the present paper, the finite deformation and stress analysis for a hyperelastic rectangular plate with a center void under a uniaxial extension is studied.
本文研究了含中心微孔的超弹性矩形板在单向拉伸时的有限变形和受力分析。
Analytical solution of complete stress-strain curve of rock specimen in uniaxial tension is proposed based on gradient-dependent plasticity considering strain localization initiated at peak strength.
基于梯度塑性理论，考虑了应变局部化，提出单轴拉伸条件下岩样全程应力—应变曲线解析解。
The experiments of stress-strain of oil plant by uniaxial cold pressing under double surface for flow of fluids through a porous medium were carried out.
进行了花生、 大豆、芝麻、亚麻籽双面渗流冷榨的应力应变试验。
The results showed that the peak-stress, peak-strain and toughness of high-strength concrete under uniaxial compression are affected in different extents by the content of steel fiber;
试验表明，钢纤维掺量对高强混凝土单轴受压的应力峰值、峰值应变及韧性产生了不同程度的影响；
Direct tension test is the only feasible way to obtain the uniaxial tensile stress-strain curves, and the initial eccentricity is the key issue affecting the uniaxial tensile test results.
直接拉伸试验是获得材料单轴拉伸应力-应变曲线的唯一可行方法，初始偏心是影响单轴拉伸试验结果的关键问题。
The physical meaning of complete stress-strain curve of rock at each stage is discussed under true uniaxial compression.
讨论了单轴压缩条件下岩石全应力-应变曲线各个阶段的物理含义；
It is manifested by the uniaxial creep tests and the biaxial creep tests that the considered marble shows time-dependent behavior to some extent under certain stress states.
对所采用的蠕变试验系统和蠕变试验方法，进行简要的说明和介绍。
It is manifested by the uniaxial creep tests and the biaxial creep tests that the considered marble shows time-dependent behavior to some extent under certain stress states.
对所采用的蠕变试验系统和蠕变试验方法，进行简要的说明和介绍。
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