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• The failure criterion of sand is sim

砂土破坏条件接近雷德-邓肯条件的。

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• Failure criterion of soil masses was also briefly disci...

本文对土体破坏问题作了简要讨论。

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• The failure criterion of sand is similar to that of Lade-Duncan criterion.

砂土破坏条件接近雷德-邓肯条件

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• 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-库仑破坏复合的破坏准则

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• One of the key features in this design criteria is what people call the Single-Failure Criterion.

这个设计标准一个重要特征就是人们称为失效准则。

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• 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

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• The fracture distribution of this area was predicted effectively combined with rock failure criterion.

然后结合岩石破裂准则，区域裂缝分布做出有效的预测。

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• A linear Mohr-Coulomb failure criterion is used for the traditional method of calculating earth pressure.

对于压力传统计算方法采用线性摩尔-库仑破坏准则

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• Research on failure criterion of complex rock masses. Rock Mechanics in China, Scienece Press, Beijing, 1995.

极端复杂岩土破坏准则研究。东北大学学报，1995，增刊。

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• Research hon failure criterion of complex rock masses. Rock Mechanics in China, Scienece Press, Beijing, 1995.

极端复杂岩土破坏准则研究。东北大学学报，1995，增刊。

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• These calculation models and the failure criterion were proved to be valid in experiments and production process.

实验生产实际证明这些计算公式失效判据有效性

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• 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，各种不同破裂面边坡稳定性分析进行研究。

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• Experimental study on multiaxial failure criterion of concrete before and after wet-screened is just at the initial stages.

混凝土湿筛前后破坏准则研究，目前处于初步阶段

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• 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双轴应力作用下破坏准则一直人们所追求的目标之一

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• The PIV technology is applied to large-scale shaking table model tests on slope stability, and the failure criterion is also studied.

但在大型振动模型试验中的应用见发表。

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• 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研究复合型裂纹能量释放相应断裂判据。

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• The main rock stress failure criteria and their applicability are introduced and it is necessary to study the deformation failure criterion.

介绍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

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• As a key of finite element method based on shear strength reduction, the slope failure criterion will affect the accuracy of the calculation.

作为强度折减法关键技术问题边坡失稳判据直接影响计算的准确性

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• The threshold value of damage and maximum strain are adopted as failure criterion to reflect fatigue failure and ductile failure respectively.

针对材料不同失效模式，分别采用损伤变量门槛最大应变作为失效判据

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• 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.

破坏状态可以极限荷载极限面面内剪力关系围成的矩形区域来判断

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• Although there are many experiments under multiaxial stress states, most of the results mainly concern to the strength and failure criterion of concrete.

虽然试验较多，但是主要针对三轴情况混凝土强度(破坏准则)，没有具体针对不同围压应力比下应力—应变关系做出研究。

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• The endochronic constitutional modal and failure criterion which are applicable to the fiber steel concrete is adopted during the finite element analysis.

钢筋纤维混凝土有限元分析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

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• 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混凝土箱梁可靠计算模型计算了一座桥基于模糊失效准则的可靠度。

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• The failure envelopes of dynamic strength of frozen silt under different strain rates resemble each other in shape, namely, obey the parabola failure criterion.

不同应变速率强度包络线呈现相似形式服从抛物线破坏准则

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• 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.

相同固结破坏标准强度影响随着破坏增加而减小

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• 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离散单元模型破坏准则计算方程以及弹簧系数计算参数确定方法

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• 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岩石破坏准则构成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

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• 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.

为了探索砂土破坏条件利用比较简单的设备进行一种砂土的控制三向压力试验

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• 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.

为了探索砂土破坏条件利用比较简单的设备进行一种砂土的控制三向压力试验

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