用不同的简单应力状态下的应力-应变试验曲线，可以得到不同的广义等效应力-应变关系。
Using experimental stress-strain curves in various simple stress states, generalized effective stress-strain formulae may be derived correspondingly in various forms.
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.
首先，运用了赫兹公式和有限元法对外形规则、接触状态简单的零件进行接触应力和接触变形计算。
First contact stress and deformation of parts which have normal shapes and simple contacting status are calculated using Hertz formula and finite element method.
弯曲试验有着能比较容易地探测变形的优点，缺点是应力状态不象压缩或拉伸试验那样简单。
A bending test has a merit that detection of deformation is relatively easy and a demerit that a stress state is not simple as compared with a compression or tension test.
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.
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.
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.
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