Through theoretical analysis of rheological properties of frozen soil, the logarithmic creep equation of frozen clay is established under complex stress state.
通过对冻土的流变特性进行理论分析，建立了冻黏土在复杂应力状态下的对数型蠕变方程。
2
The constitutive equation of rock can be obtained by applying endochronic theory and Kelvin-Voigt rheological model;
岩石的本构方程可以应用内时理论和开尔文-伏尔特流变模型得到；
3
All of the influencing factors on its rheological property were tested. The constitutive equation containing the concentration and temperature was obtained.