The failure criterion of sand is similar to that of Lade-Duncan criterion.
砂土的破坏条件是接近雷德-邓肯条件的。
The adopted failure criterion was a composite Mohr-Coulomb criterion with tension cut-off;
在数值计算中，采用了莫尔-库仑与拉破坏复合的破坏准则。
Based on the stochastic medium, the deformation failure criterion of stochastic medium is put forward.
基于随机介质理论，提出了随机介质变形破坏判据。
The fracture distribution of this area was predicted effectively combined with rock failure criterion.
然后结合岩石破裂准则，对该区域的裂缝分布做出了有效的预测。
A linear Mohr-Coulomb failure criterion is used for the traditional method of calculating earth pressure.
对于土压力传统的计算方法采用的多是线性摩尔-库仑破坏准则。
Research on failure criterion of complex rock masses. Rock Mechanics in China, Scienece Press, Beijing, 1995.
极端复杂岩土体破坏准则研究。东北大学学报，1995，增刊。
Research hon failure criterion of complex rock masses. Rock Mechanics in China, Scienece Press, Beijing, 1995.
极端复杂岩土体破坏准则研究。东北大学学报，1995，增刊。
These calculation models and the failure criterion were proved to be valid in experiments and production process.
实验和生产实际证明了这些计算公式和失效判据的有效性。
The slope stability analysis is studied with the nonlinear failure criterion based on the plastic upper limit theorem.
利用塑性分析上限定理，考虑岩土介质本身的非线性破坏准则，对各种不同破裂面边坡稳定性分析进行研究。
Experimental study on multiaxial failure criterion of concrete before and after wet-screened is just at the initial stages.
混凝土湿筛前后的多轴破坏准则的研究，目前尚处于初步阶段。
At the same time, how to establish the failure criterion of brittle materials in biaxial stress state is one of people's goal.
与此同时，如何建立脆性材料在双轴应力作用下的破坏准则一直是人们所追求的目标之一。
The energy release rate and failure criterion for mixed mode are investigated by means of the method of equivalent linear crack extension.
利用当量直线裂纹扩展法研究复合型裂纹的能量释放率及相应的断裂判据。
The main rock stress failure criteria and their applicability are introduced and it is necessary to study the deformation failure criterion.
介绍了主要岩石应力破坏判据及其适用性，提出了变形破坏判据研究的必要性。
As a key of finite element method based on shear strength reduction, the slope failure criterion will affect the accuracy of the calculation.
作为强度折减法的关键技术问题，边坡失稳判据直接影响计算的准确性。
The threshold value of damage and maximum strain are adopted as failure criterion to reflect fatigue failure and ductile failure respectively.
针对材料不同的失效模式，分别采用损伤变量门槛值和最大应变作为失效判据。
The failure criterion can be judged by the rectangle region in the graph of the relation between ultimate out-of-plane load and ultimate in-plane shear.
它的破坏状态可以用极限面外荷载和极限面面内剪力关系图中围成的矩形区域来判断。
The endochronic constitutional modal and failure criterion which are applicable to the fiber steel concrete is adopted during the finite element analysis.
在钢筋钢纤维混凝土有限元分析中，采用了大连理工大学研究的适用于钢纤维混凝土的内时本构模型及其破坏准则。
On the basis of fuzzy failure criterion, model of reliability of concrete box-girder bridge is set up, and the reliability of existing bridge is calculated.
基于模糊失效准则建立了混凝土箱梁桥的可靠度计算模型，并计算了一座实桥基于模糊失效准则的可靠度。
The failure envelopes of dynamic strength of frozen silt under different strain rates resemble each other in shape, namely, obey the parabola failure criterion.
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。
When the consolidation ratio is the same, the effect of failure criterion on the dynamic shear strength would reduce with the failure time of vibration increasing.
相同固结比时，破坏标准对动强度的影响随着破坏振次的增加而减小。
The failure criterion, formula and determination of analytical parameters such as spring modulus of the discrete element model for concrete material were presented.
介绍了适于混凝土材料的离散单元模型的破坏准则、计算方程以及弹簧系数等计算参数的确定方法。
The horizontal well stress distribution and the rock failure criterion constitute a fracture initiation mathematical model, which was solved by the iteration method.
水平井井筒应力分布和岩石破坏准则构成了水平井压裂裂缝起裂数学模型，利用迭代法对模型进行了求解。
In order to approach the failure criterion of sand, an experiment of independent control three-dimensional stress of sand has been performed with some simpler device.
为了探索砂土的破坏条件，曾利用比较简单的设备进行了一种砂土的控制三向压力试验。
It is also shown that under the creep limit failure criterion, the creep internal stress method has the advantage of less test time in comparison with the isothermal...
而以蠕变极限为失效准则的蠕变内应力法与常规的以蠕变试验为基础的等温外推法相比，还具有试验时间短的优点。
As a kind of non-evenly braced composite rotating thin-walled shell structures, the structural behavior and failure criterion of column supported steel silo are very complicated.
作为一种非均匀支承条件下的组合旋转薄壳结构，柱支承筒仓的受力性能与破坏准则相当复杂。
Shear strength and shear strain are the basic properties in mechanics of concrete. They also serve as important data for finite element and failure criterion research on concrete.
抗剪强度和剪切变形是砼的基本力学性能，又是强度理论研究和有限元分析的重要数据。
Found non-linear fatigue damage equation and fatigue failure criterion of concrete under variable amplitude load, and analyze the influence of loading sequence on total fatigue life;
建立了混凝土非线性疲劳损伤方程和变幅荷载下的疲劳破坏准则，分析了加载次序效应对总疲劳寿命的影响；
Based on the theory of elasticity and molar-Coulomb strength failure criterion, we proposed the prediction method for hole enlargement ratio in the condition of underbalanced drilling.
基于弹性力学理论及岩石摩尔-库仑强度破坏准则，提出了欠平衡钻井条件下井径扩大率的预测方法。
Based on the theory of elasticity and molar-Coulomb strength failure criterion, we proposed the prediction method for hole enlargement ratio in the condition of underbalanced drilling.
基于弹性力学理论及岩石摩尔-库仑强度破坏准则，提出了欠平衡钻井条件下井径扩大率的预测方法。
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