Dynamic Behavior and Energy Evolution of Coal with Varying Filling Materials Under Impact Loading

Key Points

• Dynamic behavior of coal changes significantly under varying filling materials, affecting energy responses.
• Impact loading tests demonstrated distinct energy evolution patterns, revealing insights into material performance—an energy change of up to 40%.
• Analysis using impact loading and filling material variations was conducted across multiple test scenarios, assessing coal's resilience under stress.
• Findings may improve understanding of coal's structural integrity under impact forces, critical for mining and construction applications.