Fig 1.
Synthetic rock mass.
Fig 2.
Behavior and rheological components of LPBM.
Fig 3.
Joint and smooth joint contact model.
Table 1.
Microscopic parameters of particles and linear parallel bond models.
Table 2.
Macro parameters for models of different sizes.
Fig 4.
Comparison of calibration parameters for 50 mm diameter model.
Table 3.
Microscopic parameters of SJCM.
Table 4.
DFN distribution characteristics.
Fig 5.
Schematic diagram of LCC particle flow model.
Fig 6.
Fracture length distribution histogram.
Fig 7.
DFN and SRM models of composite for uniaxial compression.
Table 5.
Parameter hierarchy description.
Fig 8.
Stress-strain curves of the model under different DFN generation conditions.
Fig 9.
Stress-strain curves of composite models with different dimensions under randomly angled joints.
Fig 10.
Strength characteristics of random joint dip composites.
Fig 11.
Variation patterns of composite mechanical parameters under randomly inclined joints.
Fig 12.
Stress-strain-bond break evolution curves of LCC at different sizes.
Note: The bond-break event density in the figure is in units of events/mm²/10 ⁻ ³ strain, and the cumulative bond-break activity represents the cumulative bond-break event density curve.
Table 6.
Statistical analysis of bond-break parameters for composite models at different sizes.
Fig 13.
Crack growth diagrams, porosity cloud diagrams, and stress cloud diagrams for composites at different sizes.
Fig 14.
Uniaxial stress-strain curves of composite models at different scales under joint action at various dip angle ranges.
Fig 15.
The effect of joint dip angle range on the size effect of composite strength and deformation characteristics.
Table 7.
Δσ and ΔE value`s at different dip angle ranges.
Fig 16.
Δσ and ΔE values at different dip angle ranges.