Research on the influence of densified empty holes on the distribution and evolution of stress waves in freezing benches of open-pit coal mine

Research on the influence of densified empty holes on the distribution and evolution of stress waves in freezing benches of open-pit coal mine Journal of Mining and Safety Engineering . 2026, (1): 188 -197 . DOI: 10.13545/j.cnki.jmse.2025.0093