提出了岩土各向同性损伤本构模型的数值求解法。
The simplified formulas of synthetic mode of stress and strain for isotropic damage was provided.
根据损伤力学理论，提出了含初始损伤岩体动态损伤本构模型。
According to the damage mechanics, the dynamic damage constitutive model of rock mass containing original damages is proposed.
该文研究考虑初始弹模变化的混凝土动力损伤本构模型的建立方法。
A dynamic damage constitutive model was developed accounting for the effect of the initial elastic modulus of the concrete for dynamic analyses of concrete structures.
该文研究考虑初始弹模变化的混凝土动力损伤本构模型的建立方法。
The static and dynamic damage to the concrete was related as a function of the difference in the initial elastic modulus for static and dynamic loading conditions.
并建立了一种包含纤维增强效应和应变率增强效应在内的损伤本构模型。
Further more, a damage softening constitutive model is set up in which the effect of fiber reinforcing and strain-rate hardening are considered.
以复合体损伤理论为基础，建立了非饱和原状膨胀土的弹塑性损伤本构模型。
Based on the damage theory of composite substance, an elastoplastic damage constitutive model of unsaturated undisturbed expansive soil was developed.
并建立了混凝土非线性损伤本构模型，在此基础上编制了混凝土结构非线性有限元程序。
The program of non-linear concrete structure finite element analysis is worked out, by which the computed results strongly depend on the analyst's choice of finite element size were studied.
针对这些特点，综合考虑损伤和流变的影响，推导出基于西原体模型的黏弹塑性损伤本构模型。
The joints make intension of the rock mass decrease. According to these characteristics, a new visco-elastoplastic mechanical model is deduced.
定义了用等效剪切刚度表示的损伤变量，建立了一个分三阶段表述的岩石动态剪切损伤本构模型。
By introducing a damage variable expressed by the equivalent shear stiffness, a dynamic shearing damage constitutive model of rock is established including three phases.
结合连续强度理论和统计理论，从岩石内部缺陷分布的随机性出发，建立了岩石统计损伤本构模型。
Based on random distribution of interior defect in rock, a statistical damage constitutive model for rock is developed by using the continuous strength theory and statistical theory.
结合以塑性功为硬化参数的椭圆形屈服面，根据相关联流动法则及损伤理论推导出了黄土弹塑性损伤本构模型。
To join ellipse yield function, hardening parameter with plastic work, associated flow law and damage theory, the elastoplastic damage constitutive model of loess were derived.
对包含中等尺寸的成组分布裂隙的岩体，采用岩体几何损伤本构模型，用监测位移反馈分析法同时辨识岩体弹性模量、地应力及损伤参数。
In this paper, for the joint rock mass with medial size and in-group crack, parameter identification of its geometrical damage model is studied by back analysis of in-situ measured displacement.
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.
针对金属材料在较高应力下没有蠕变稳定阶段的现象，提出了金属材料高低应力值的判定准则并根据高低应力的不同特点推导了不同的耦合损伤本构模型。
It has been find that there is no the second stage of creep when material under the condition of higher stress. Then judgment criterion has been proposed to deal with that phenomenon.
本文从微观统计的损伤理论出发，建立了腐蚀混凝土单轴受压本构模型，与试验结果较符合。
Beginning with the damage theory of micro-statistics, the constitutive model of corroded concrete under uniaxial compression is established which is proved by the experimental outcomes.
该本构模型全面考虑了压力、应力第三不变量、变形的硬化和软化、应变率强化以及拉伸损伤等各个影响因素。
The main factors such as pressure, the third invariant of stress tensor, strain hardening and softening, stain rate and tensile damage have been taken into account in the constitutive model.
在混合物理论基础上，建立了饱和、非饱和岩石损伤软化统计本构模型。
Then the statistical damage constitutive model is developed for saturated and unsaturated rock based on the mixture theory.
基于上述原因，本文旨在提出一种能为工程界所接受、便于工程应用的基于损伤的混凝土单轴、多轴动态本构模型。
So this paper aims at presenting dynamic constitutive model of concrete based on damage which can be accepted by engineers and convenient for engineering designs.
研究成果表明：扰动状态概念为工程材料提供了一种统一的本构模拟方法，它包括其他早先的连续介质和损伤模型体系，并把它们作为特例。
The research results show that the DSC can develop unified constitutive models for engineering materials, which include, hierarchically, other previous continuum and damage models as special cases.
提出了一种新的损伤塑性本构模型，强调了应力三轴比对塑性屈服的影响。
A plastic constitutive damage model was proposed with special concerns being put on simulating the stress triaxiality-dependent hardening phenomena.
在此基础上，建立冻融前后组合试样的损伤软化统计本构模型。
Based on the above results, the damage softening statistical constitutive models for combined specimen with rock and shotcrete before and after freezing-thawing are established.
假定软岩微元强度分布统计概率，定义软岩的统计损伤变量，依据统一强度理论建立三轴应力状态下软岩的损伤统计本构模型。
Assuming distribution statistical probability of micro-units strength, statistical damage variable is defined; and the statistical damage constitutive equation is proposed under triaxial.
本文的另一重点是研究钢纤维高强混凝土的损伤演化、建立含损伤的率型本构模型。
Another emphasis of this paper is the research on damage evolvement of SFRHSC and foundation of strain rate sensitive constitutive relation containing damage.
经实测数据与所建模型对比验证，延性破坏、脆性破坏模式本构模型精度较高，可为岩石损伤评估提供依据。
Proved by the test data, the precision of constitutive model with brittle, ductile failure is higher, which can provide accurately the basis for rock damage assessment.
经实测数据与所建模型对比验证，延性破坏、脆性破坏模式本构模型精度较高，可为岩石损伤评估提供依据。
Proved by the test data, the precision of constitutive model with brittle, ductile failure is higher, which can provide accurately the basis for rock damage assessment.
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