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.
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.
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.
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.
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.
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