...damage constitutive equation; catastrophe theory; match; instability criterion [gap=21315]关键词：尾砂胶结充填体；岩体；损伤本构方程；突变理论；匹配；失稳判据 ...
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fractal damage constitutive equation 分形损伤本构关系
An explicit expression was derived for the variation of crack size with stress. A micro-mechanical damage constitutive equation was then given.
给出了微裂纹特征尺寸随应力变化的显式表达式，并由此得到了含微裂纹的准脆性材料损伤本构关系。
Assuming distribution statistical probability of micro-units strength, statistical damage variable is defined; and the statistical damage constitutive equation is proposed under triaxial.
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。
Above all, a statistical damage variable is defined, a damage evolutional equation and constitutive equation based on CT number are developed, too.
基于上述研究和获取资料，根据定义的统计损伤变量，建立了一个基于CT数的损伤演化方程和本构方程。
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