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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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。

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