Table 1.
Test data from 5 sets of rock samples.
Fig 1.
Staging of fractured rocks before peakdamage.
Fig 2.
Schematic of the axial strain method.
Fig 3.
Schematic of the crack volume strain method.
Fig 4.
Schematic of the empirical value method.
Fig 5.
Schematic of the student t distribution method.
Fig 6.
Schematic diagram of convergence of Monte Carlo method.
Fig 7.
Model construction flow chart.
Fig 8.
Monte Carlo simulation convergence process: (a) sample #3; (b) sample #4.
Fig 9.
Comparison of results: (a) rock closure stress; (b) rock crack initiation stress.