Numerical Modelling
Continuous modelling
Blasting design
The resistance of in-situ stresses on the damage of deep rock mass and anisotropy in the crack propagation direction induced by the stress difference in the horizontal and vertical directions are the main causes for the difficulties in the excavation of deep rock mass. When the magnitude of in-situ stresses exceeds 30MPa, crack coalescence between blastholes becomes difficult.
Discontinuous Modelling
DEM-SHPB
Geometry heterogeneity：grain texture, grain boundary, grainmorphology
Property heterogeneity: mineralogy
Discontinuities heterogeneity
Coupled Continuous and Discontinuous Modelling
Coupled 3D-SHPB
Coupled 3D FEM and DEM
3D modelling of grain microstructure
Partial damage/interlock/rotational resistance