Fig 1.
Numerical model.
Table 1.
The parameters of explosive.
Table 2.
RHT constitutive model parameters for rock [34].
Fig 2.
Evolution of explosive cracks in rock mass with different joint thicknesses without in-situ stress (stress wave cloud image at upper right corner).
Fig 3.
Peak stress curve of each unit.
Fig 4.
Peak displacement curve of each unit.
Fig 5.
Evolution of explosive cracks in jointed rock mass without in-situ stress (stress wave cloud image at upper right corner).
Fig 6.
Distribution diagram of crack growth in rock mass under different in-situ stress conditions (damage range diagram in the upper right corner).
Fig 7.
The area of blasting damage zone formed under different conditions.