但是，从颈缩开始，其应力应变关系处于复杂应力状态。
But the stress-strain relationship is in complex stress condition after the necking starts.
在复杂应力状态下延性金属材料的塑性损伤依赖于加载路径。
Plastic damage of ductile metals under complex stress depends on loading path.
金属材料在复杂应力状态下的韧性断裂是断裂力学研究的重要问题之一。
The problem of ductile fracture of metals under complex stress has been investigated extensively, but has not been resolved as yet.
该模型依据经典塑性理论，能够明确指定复杂应力状态下湿化变形的各分量。
It bases on the classical plastic theory, and the components of wetting deformation under complicated stress state may be determined clearly.
利用冻粘土试件进行了三轴蠕变试验，从而获得了复杂应力状态下的蠕变曲线。
The specimens of frozen clay are used for carrying out the long-term creep tests under triaxial stress states so that the creep curves of the frozen clay are derived.
砌体动力荷载作用下的弹性模量以及复杂应力状态下的弹性模量取值尚有待进一步研究。
Masonry under the action of dynamic load elastic modulus and the complex stress state under the elastic modulus value remains to be further studied.
通过对冻土的流变特性进行理论分析，建立了冻黏土在复杂应力状态下的对数型蠕变方程。
Through theoretical analysis of rheological properties of frozen soil, the logarithmic creep equation of frozen clay is established under complex stress state.
在详细分析试验和有限元计算结果的基础上，提出了复杂应力状态下的低周疲劳寿命模型。
Based on experimental data and finite element analysis results, a low-cycle fatigue life model is proposed for the powder metallurgy superalloys under multiaxial stress states.
基于俞茂宏统一强度理论，研究了砂土在复杂应力状态下的动强度及其指标确定的新方法。
A new method was proposed to determine the dynamic shear stress and dynamic strength index of soil under the complex stress, based on the Yu Maohong's unified strength theory.
在20世纪，关于材料在复杂应力状态下的强度理论进行了大量的理论研究和实验研究工作。
A considerable amount of theoretical and experimental research on strength theory of materials under complex stress state was done in the 20th Century.
针对涡轮叶片处于复杂应力状态的情况，分别采用四种不同的等效应力合成准则参照对比，探索其合成方法。
We find the turbine blade is on the complicated stress status, so four different rules for achieving equivalent stress are used to contrast.
将随机理论和概率论及统计原理的相关知识运用于可靠性研究之中，获得了复杂应力状态下的可靠度理论计算公式。
In this paper, the stochastic theory and the relative knowledge of probability statistics are applied to the statical strength reliability analysis.
含高应力集中钢结构构件的厚度是影响其发生脆性破坏的一个重要因素，它的影响是和其应力集中区的复杂应力状态相联系的。
The thickness of steel elements with high stress concentration is a very important factor for brittle fracture. Its effects depend on the complex stress state for the stress concentration area.
牛腿是悬臂体系梁桥上部构造的一个重要组成部分，其应力状态较为复杂。
As an important part of superstructure of cantilever beam system, corbel's stress state is very complex.
土的平面应变是岩土工程中常见的状态，其中零应变方向的主应力是十分复杂的。
Plane strain state is familiar in geotechnical engineering, and estimating the principal stress in the plane strain state is very complicated.
钢筋混凝土框架节点处于复杂的空间应力状态，井且是联结各杆件的重要部位。
The joint of reinforced concrete frame is placed in complicated space stress condition, and is the important part connecting each poles.
由于结构性、初始各向异性和复杂的应力路径的共同影响，往往使极限状态设计如何确定天然土体渐进破损的强度及参数变得复杂而困难。
The mutual effects of the structure, initial anisotropy and complex stress path make it complicated and difficult to determine the progressive destructive strength and parameters of natural soils.
由于洞室结构和应力状态复杂以及不良的地质构造，施工难度更大。
Due to the complicated chamber structure and stress state, as well as unfavourable geology structure, the construction is difficult.
大型曲轴的全纤维成形工艺是保证曲轴能够在复杂的应力状态下正常工作的一种有效的工艺方案。
The heavy crankshaft full-fibre forming process is a effective process that can ensure the crankshaft normally work in complex stress conditions.
对于钢筋混凝土构件在正常使用状态下的截面应力计算，用传统的“等效截面法”计算十分复杂。
It was very complicated when taking the traditional equivalent section method to calculate the section stress of steel concrete structural unit under its normal working condition.
在爆炸或冲击荷载作用下，钢板间会引起复杂的应力应变状态的变化，表现在应力波传播比较复杂。
That the complex stress state change is aroused between armor plates under explosive or shock force is expressed by complex stress wave propagation.
本文通过对DTC-199型周期扭转荷载三轴仪进行简单的改造后，可以较好的模拟压实黄土地基或路基在受到循环动荷作用前所处的复杂初始应力状态。
This paper reformed the DTC-199 Type-torsional cyclic load triaxial apparatus, it can better simulate complex initial stress conditions of compacted loess foundation or sub-grade.
由于一般构件的几何形状和荷载状态复杂，难于对裂纹尖端的应力应变状态得到理论解。
Because of complexity of geometric shape and loading state for general component, it is difficult to gain theoretical solution to the state of stress-strain for cracking tip.
深层岩石中应力状态复杂，目前对于地应力大小的计算研究还缺乏系统完整的理论，没有统一的计算模式，普遍存在偏差大等问题。
For the stress state in deep zone rock is very complex, the study of earth stress computation needs systemic theory and uniform calculation model, and its deflection is very large.
在复杂构造动力作用下，地壳内一点的应力状态可视为两个、三个或多个应力状态的叠加。
The stress-states at a point in the earth's crust can be considered to be superposition of two, three or more stress-states, under complex tectonic dynamic action.
当受到地震、交通、波浪等循环荷载的作用时，在复杂初始应力条件下土的动力特性必然将会和一般应力状态下有所不同。
When it is forced by the cyclic loading for example earthquake, traffic, wave etc, dynamic properties of soils under complex initial stress condition are different form the general stress state.
当受到地震、交通、波浪等循环荷载的作用时，在复杂初始应力条件下土的动力特性必然将会和一般应力状态下有所不同。
When it is forced by the cyclic loading for example earthquake, traffic, wave etc, dynamic properties of soils under complex initial stress condition are different form the general stress state.
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