采用了等效单轴应力应变混凝土本构模式。
An orthotropic equivalent uniaxial stress-strain constitutive model of concrete is used.
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。
The solution, analysis and experimental validation of the new equation under uniaxial stress were performed.
结果表明，单轴应力条件下水泥石具有明显的弹性变形及脆性破坏特征；
The following conclusions are obtained: There are sensible elastic deformation and brittle failure feature in the oilwell cement under monopodium stress conditions.
通过大量的冻结粘土单轴蠕变试验，获得了单轴应力状态下的蠕变曲线及其参数。
Through a lot of creep test of frozen clay under single-axial stress, the curves and parameters of creep under single-axial stress state are obtained.
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；
Users do nothing but inputting material uniaxial stress-strain relation, which conforms to the demand of objectivity and handiness of parameter input;
等双轴应力较单轴应力状态下的裂纹扩展速率减慢，而纯剪切状态下的裂纹扩展速率加快。
In these areas, they were slower in equibiaxial case and faster in pure shear compared to crack growth rates in uniaxial loading.
该准则的特点是：形式简单，不仅能正确反映混凝土单轴应力状态下的强度，而且能很好地反映多轴应力状态下混凝土的强度。
With a simple form, the criterion can reflect the concrete strength precisely not only under uniaxial stresses but also under multiaxial stresses.
单轴的应力状态跟棱柱杆承受单纯轴向拉伸十分近似。
The condition of uniaxial stress is closely approximated in prismatic bars subjected to pure axial tensile.
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。
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.
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 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.
采用该模型，成功地对平面应力条件下岩土材料单轴受压和单轴受拉试件的局部化破坏分别进行了数值模拟。
Shear band formation due to void nucleation and growth were successfully simulated in a specimen of geomaterial under plane stress compression and tension by the model respectively.
基于单轴应变疲劳分析，提出了比例加载多轴应力状态下的疲劳寿命计算方法。
Based on the local strain method of the single axle stress condition method, the multi axial stress condition computing method of the proportional loading is presented.
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 test results show that: the hard brittle marble obviously performs time-lagged destruction under long time of pre-peak stress uniaxial compression.
以混凝土单轴拉压损伤为基础，给出了单元弹性损伤本构关系，分析了裂纹尖端损伤微裂区尺寸，定义了有效应力强度因子，给出了I型裂纹损伤断裂判据。
Mesoscopic damage size on the top of crack is analysed, the effective stress strength factor is defined, the mode I crack damage fracture criteria is presented.
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。
A mechanical model is built firstly for single microcrack under uniaxial compression loading, and the stress component of microcrack end is calculated.
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。
According to cracking mechanism of rock, this article presents a model of complete stress-strain under uniaxial compress in minute cracking.
许多热采井套管热应力计算模型忽略了地层影响，属于单轴热应力分析。
Most of the models calculating casing thermal stress in thermal recovery well belong in a monoaxial stress analysis because of neglecting the effect of formation.
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。
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.
模拟结果显示：无论是单轴压应力还是双轴张应力，都使得空穴迁移率增大。
The simulation results show that both uniaxial compression and biaxial tension can enhance the hole mobility.
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。
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.
还得到高温–高含冰量冻结黏土单轴压缩蠕变方程、应力–应变关系和长期强度方程的参数。
Furthermore, the parameters of the creep equation, long-term strength equation and relationship between stress and strain of the warm and ice-rich frozen soil were obtained.
本文叙述了页岩岩块在单轴压应力下的实验结果。
In this paper, an experiment of uniaxial compression of shale performed with some simple devices has been described.
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。
Comparing with the uniaxial compression, the Young's modulus and the yield stress of the biaxial compression increase obviously.
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；
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;
对316L不锈钢进行了单轴应变和应力控制下的室温和高温循环试验。
An experimental study of the cyclic properties is carried out for 316l stainless steel subjected to a uniaxial straining and stressing at both room and elevated temperature.
本文介绍单轴压缩圆柱状岩石试件内应力状态的一种轴对称有限元分析成果。
This paper presents an axial symmetric finite element analysis of rock cylinder under uniaxial compression and gives the new results which are more reasonable than early ones of other workers.
研究了花岗岩板在单轴压缩应力状态下的微观破坏过程。试验主要采用了液压加载台、光学显微镜、同步录象系统以及二次复型技术等。
Progressive cracking of granite plate under uniaxial compression had been investigated by using a loading frame, which could be well equipped with optical microscope and video recorder.
对316L不锈钢进行了单轴应变控制和应力控制下的系统循环试验。
An experimental study was carried out of the cyclic properties of 316l stainless steel subjected to uniaxial straining and stressing.
对316L不锈钢进行了单轴应变控制和应力控制下的系统循环试验。
An experimental study was carried out of the cyclic properties of 316l stainless steel subjected to uniaxial straining and stressing.
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