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;
2
The action of the support in preserving stability of surrounding rock masses is analyzed and its effect is proved being remarkable with using Kelvin-Voigtmodel and viscoelastic theory.