极限关系

The principal stress in the plane strain direction, which can be determined under the rigidity-plasticity assumption using static earth pressure coefficient , is the intermediate principal stress under the limit equilibrium condition. The relationship between major and minor principal stresses is obtained based on the strength criterion.

平面应变方向上的主应力在极限平衡条件下为中主应力，在刚塑性假定的基础上通过静止土压力系数确定，结合强度准则得到大主应力与小主应力之间的关系，进而求得土压力系数。

If there is not reflexive dependent relation among the head literals of the all k free clauses occurred in the program, then the k—th limit is its supported model.

如果G中含k个自由子句，并且这k个子句头中出现的文字不含自反依赖关系，则它的k次极限就是其支持模型。

At present, kinds of methods of finite-element analyzing bridge structure's limit bearing capacity for concrete's complex stress nature get the concrete's constitutive equations and destructive criterion by fitting regression line.

目前采用有限元方法分析桥梁结构极限承载力的方法中，对受力性能复杂的混凝土材料，基本上是通过实验数据回归拟合得到混凝土的本构关系和破坏准则。

Because of these, the relationship among limited shear stress, pressure and temperature is explained better.

根据这一解释可以较好地说明极限剪应力的特点和与压力、温度等的关系。

So this model can simulate all kinds of properties of concrete after loading, such as nonlinear stress-strain relationship for concrete, stiffness phenomenon under cycle load, phenomenon compression and expansion for concrete with shearing, strain soften phenomenon while beyond strength limit. Furthermore because the best merit of this model is simple in expression, model parameters are determined more easily and application is convenient easily.

可以模拟混凝土受力后的各种特性，如混凝土的非线性应力—应变关系，循环荷载作用下的刚度退化现象，剪力引起的混凝土的压缩和膨胀现象和超过强度极限的应变软化现象等，且这种模型的最大优点是表达形式简单，模型参数比较容易确定，便于应用。

Based on the basic reliability computation, established the relationship between the load effect and basic stochastic variable dealing with statistical features of variables,and then established the state equation of limit.

基于可靠度基本理论，考虑变量的随机特性，建立荷载效应与基本随机变量之间的关系，建立极限状态方程，在此基础上进行拱坝的拱座—重力墩的抗滑稳定可靠度分析，计算其可靠指标β。

5The failure strains of cement-soil are calculated, and initial tangent modulusand average deformation modulus of cement-soil with same cement mixing content arecalculated. Then fit them with strength. The relation between ultimate deformationmodulus and strength, cement-soil of same curing period, is fitted too. The conclusionis that deformation modulus of cement-soil with some stock-still time are close to thesewhich compacted without stock-still time.

5计算分析了水泥土的破坏应变；计算了相同水泥掺入比水泥土的初始切线模量和平均变形模量，将它们与抗压强度的关系进行拟合，将同龄期水泥土的极限变形模量与抗压强度进行拟合，结果表明，一定静置时间的水泥土的变形模量与t=0h的水泥土的变形模量相差不大。

Simulation results of initial hole included the relationship of punch load and punch stroke, the hole profile, the distribution of stress and strain, the forming limit diagram, and the variation of the workpiece thickness. The simulation results showed good agreement with the experiments in the bore-expanding process.

由初始孔径4mm之料片於扩孔成形之数值模拟与实验结果比较得知，冲头负荷与冲程关系、内孔轮廓大小、应力与应变分布、成形极限图与工件厚度分布等，皆显示实验与数值模拟间的一致性。

This paper analyzes the relationship between the critical voltage stability and synchronism stability limit in power system.

本文旨在分析电力系统临界电压稳定与同步稳定极限的内在关系。

In this course three-dimensional finite element method is used to calculate the stress and deformation of the metal structure.The influence coefficient method is adopted to obtain the expression between the load and the offect ,and form the limit state equation of all failure mode.Finally.corresponding reliability indices are obtained with the JC method under truncated distribution.

在此过程中，运用三维有限元计算了门机金属结构的应力和变形，采用影响系数法，建立起荷载与荷载效应的显式关系，进而建立了各失效模式的极限状态方程，再用可截尾处理的JC法求出相应的可靠指标。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。