试验得到的数据有：应力应变关系曲线、屈服强度、极限强度、弹性模量、延伸率和热膨胀系数。
The test data include the stress? Strain curve, yield strength, tensile strength, Youngs modulus, elongation and expansion coefficient.
研究主要考虑短纤维长径比的变化对复合材料的应力传递、弹性模量以及应力应变关系曲线的影响。
The studies are focused on the stress transfer, elastic modulus and stress strain curve of the composite.
根据试验结果分析了这两种土的应力应变关系曲线、增湿变形过程中基质吸力变化特点及增湿变形类型。
The relationships between stress and strain of both soils and the variation of suction in the process of deformation are analyzed.
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.
根据试验数据回归得出了混凝土普通砖砌体的抗压强度和抗剪强度的建议计算公式，并绘制了混凝土普通砖砌体的抗压应力应变关系曲线。
Based on the experimental dates, the compressive strength and the shear strength advised formulas of concrete common brick masonry are proposed, and the stress-strain curve is plotted.
通过对误差的分析，说明由一般的拉伸曲线求解该新型应力应变关系的可行性及可靠性。
Through analyzing error, it was shown the feasibility and the reliability of solving the new relationship of stress and strain by ordinary tensile curve.
对加卸载循环的应力-应变曲线，建立了能作理论拟合计算的材料宏观本构理论模型和关系方程。
Proposed a macroscopic constitutive model and relative equations which can be used to simulate theoretically measured stress-strain curves of loading -and unloading cycle.
最后，提出了C45细石混凝土弹性模量和简化三直线混凝土应力-应变关系曲线的计算公式。
Finally, the formulation of both modulus of elasticity and simplified stress-stain relationship curve on C45 fine aggregate concrete were proposed.
文末，仅通过混凝土立方体抗压强度，建立了不同强度等级混凝土的应力-应变曲线上升段本构关系，该模型结果与试验结果吻合很好。
At the end of the paper, a stress strain response model of different concrete grade has been built only using the compressive strength, and this model coincides well with the experiment results.
对水泥砂浆石在准一维应变、一维应变、一维应力下的应力应变关系与高压下静水压缩曲线进行了比较和讨论。
Furthermore the stress strain curves of cement mortar under three different stress states and the initial behavior of hydrodynamic curve are compared and analyzed.
研究结果表明：特别是在较高平均应变率下，应变率历史对试件材料的应力应变曲线有明显的影响，在材料动态本构关系研究中应当考虑应变率历史的影响。
The results show that the stress-strain curves are significantly affected by the strain rate history, and this effect must be accounted for in the study of material constitutive relations.
研究表明：土体广义剪应力与广义剪应变关系曲线呈明显的非线性，中主应力对土体强度的影响存在区间效应。
The study results show that generalized shear stress has a strong nonlinear relation with generalized shear strain, and intermediate principal stress has interval effect on soil strength.
并且给出用与切线模量相关的标准确定加工硬化型应力——应变关系曲线的破坏点的方法，提供了利用任意固结度下的应力路径求解不排水抗剪强度的计算式。
The method to ascertain the damage point of process harden type stress-strain curve was shown, and the calculate expression of shear strength used by stress path under random consolidation degree.
研究了试样总应力、循环孔隙水压力、有效应力随时间的变化规律及试样有效应力与轴向应变的关系曲线。
Curves of total stress and time, of cycle pore water pressure and time, of effective stress and time, of effective stress and axial strain are respectively studied.
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.
与之相似，如果在约束态冷却过程中停止冷却并卸载，卸载应力-应变曲线首先呈线弹性关系，然后才出现应力平台。
Similarly, the unloading stress-strain curves exhibited a linear elastic response followed by a stress plateau if the constrained thermal cycle stopped upon cooling.
应力-应变等时曲线线性回归函数的相关系数均高于0。
The correlative coefficients of linear regression function for isochronous stress-strain curve are all higher than 0.
将该参量非局部化后代入非局部损伤本构方程中得到混凝土非局部应力与应变关系曲线，其方程为一维状态下的混凝土非局部损伤本构模型。
And nonlocalizing the damage parameters and then substituting them to nonlocal damage constitative model, thus the nonlocal stress_strain relation curve is obtained.
土体污染和浸泡环境下水泥土试块应力—应变关系曲线形状相似，具有明显的弹性阶段和塑性阶段。
In various conditions, the failure characteristics are almost the same and all the stress-strain curves are similar with obvious elastic phase and plastic phase.
研究结果表明，经受过冲击荷载作用的土样的应力–应变关系曲线一般随冲击次数的增加而升高，即表现为强度的增大；
The studies show that the stress-strain curves of clay samples subjected to impact loading are higher than those before subjected to the numbers of impacts, which show the increase of shear strength.
当不存在初始剪应力时，应力–应变关系表现为硬化型曲线；
The stress-stain curve shows the strain-hardening characteristic without initial shear stress.
通过研究中密砂三轴压缩的试验曲线，发现其应力–应变关系曲线在常规围压范围内具有归一化特性。
Study shows that there is normalization characteristic about the stress-strain curves of mediate-dense sands in the range of routine confining pressure.
试验结果表明，煤灰土在纵向和扭转振动时的动应力-应变关系均满足双曲线关系。
It is indicated that the stress-strain relationship under the excitation of vertical and torsional vibration can be characterized with a hyperbola curve.
采用川本眺万的岩石应力—应变关系曲线的理想化假设，建立了新的强度准则。
Based on idealized rock stress-strain relationship of Toshikazu, a new strength criterion is presented.
通过实验得到真实应力的关系式及真实应变关系式，进而得到真实应力-应变曲线。
Through the experiment, the relation formula of real stress, real strain and the curve of stress and strain are achieved.
基于泡沫塑料的拉伸应力-应变曲线，用数值方法拟合了泡沫塑料的拉伸本构关系。
Finally, the tensile constitutive relation is fitted by the numerical method according to the tensile stress strain curves of PUR foamed plastics, which agrees well with the experimental curves.
幂律模型既能反映硬化特性又能模拟双曲线模型不能反映的应变软化关系，因而能合理地反映粗粒料的应力应变关系。
Power law model can describe both strain-hardening and strain-softening behaviors, which can be used effectively to model stress-strain relationship of coarse-grained materials.
幂律模型既能反映硬化特性又能模拟双曲线模型不能反映的应变软化关系，因而能合理地反映粗粒料的应力应变关系。
Power law model can describe both strain-hardening and strain-softening behaviors, which can be used effectively to model stress-strain relationship of coarse-grained materials.
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