...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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根据应变等效假设可得到基于莫尔—库仑准则的损伤本构方程。
Under the assumption of equivalent strain principle, a damage constitutive model is established based on Mohr-Coulomb criterion.
不仅推出了初裂强度、极限强度的计算公式，而且还给出了钢纤维混凝土的损伤本构方程。
The calculation formulae of initial crack and limit strength are derived. The foundation equation of harm mechanics of steel fiber concrete is given here.
以层状复合岩体损伤破坏理论为基础，建立了层状复合岩体损伤本构方程及其破坏断裂准则。
Based on damage and destroy theory of bedded composite rock, damage principal equation and damage and fracture rules of bedded composite rock have been founded.
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