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.
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.
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.
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.
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.
气管软骨应力松弛曲线是以对数关系变化的,气管软骨为非线性粘弹性材料。
The tracheal cartilage stress relaxation curve is changed by the logarithm relations, the tracheal cartilage is the non-linear viscoelastic material.
分析了加载卸载过程中力-位移曲线与环内应力的关系。
The relationship between the restoring force-displacement curve and the stress in the ring during loading and unloading was analyzed.
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.
由应力松弛与蠕变的关系,推导得到松弛曲线表达式。
The relaxation curve fitted with the expression , which is deduced based on the relation between the relaxation and the creep.
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.
动强度曲线显示循环应力比与循环剪切破坏次数的对数基本呈直线关系。
The dynamic strength curve indicates that there is basically a linear relationship between the cyclic stress ratio and the logarithm of the cyclic number required at failure.
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.
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.
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.
该曲线族可以转换成相同损伤量下交变应力与循环数关系的等效损伤线族,显示了损伤场全貌。
These curves are then transformed into equivalent damage curve family. Thus the full fatigue damage field is shown .
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.
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.
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.
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.
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.
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.
结论:应力松弛曲线是以对数关系变化的,动脉粥样硬化对升主动脉应力松弛特性具有一定影响。
CONCLUSION: the stress relaxation curve alters in a log relationship, and atherosclerosis has an influence on the stress relaxation characteristics of the ascending aorta.
通过分析影响室内模拟试验的影响因素,得到室内试验修正系数与侧向边界条件、半径比、初始应力状态以及相对密度的关系曲线。
Through indoor simulated test, the influence of boundary condition, size effect, radius ratio, stress state and relative density on cone resistance be determined.
并利用土的持水曲线建立常含水量下吸力与土体应力之间的耦合作用关系。
Then, the water-retention curve is employed to consider the coupling of suctions and stresses under constant water condition.
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.
同时,还将时域上的“锯齿形”应力一时间曲线与空域上的带的传播位置-时间曲线相对应,得到了PLC效应发生时宏观上时域和空域之间的关系。
Contrasting the serrated stress-time curves with the position-time plots, the relationship between the macroscopic spatiotemporal behaviors is compared for the PLC effect.
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.
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.
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