Numerical investigation on dynamic mechanical response of rock–backfill composites: Effect of interface angle and loading condition

Key Points

• Dynamic mechanical response varies with interface angle and loading condition, impacting stability.
• Significant differences observed in mechanical behavior across various interface angles, emphasizing variability.
• Numerical investigation, assessing multiple scenarios to understand interactions between rock and backfill composites under different loads.
• Findings suggest enhanced design considerations for rock-backfill systems based on identified mechanical responses.