A Statistic Damage Model of Rocks considering the Effect of Loading Rate

Table 1

Model parameters for the proposed model.

Material parameters	Value
Elastic modulus (MPa)	800.0
Poisson’s ratio	0.5
Residual strength (MPa)	1.5
Peak strength (MPa)	10.0
Axial strain at the peak strength state	0.025
Rate-related material constant	1.0