APPLIED GEOPHYSICS     2024 21 (2):  232-245    ISSN: 1672-7975  CN: 11-5212/O Dynamic energy evolution and fragmentation characteristics of damaged rock under impact compression loading Zheng Qiang-Qiang*, Qian Jia-Wei, Li Ping-Feng, Yin Zhi-Qiang, Zhao Huan-Ting 1. State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science and Technology, Huainan Anhui 232001, China. 2. Key Laboratory of Safety Intelligent Mining in Non-coal Open-pit Mines, National Mine safety Administration, Zhaoqing Guangdong 526530, China. 3. College of Oceanography, Hohai University, Nanjing Jiangsu 210024, China. 4. Anhui Zhibo Optoelectronic Technology Co., Ltd, Hefei Anhui 230088, China. 5. Laboratory of Seismology and Physics of Earth’s Interior, School of Earth and Space Sciences, University of Science and Technology of China, Hefei Anhui 230026, China. 6.Hongda Blasting Engineering Group Co., Ltd., Changsha Hunan 410011, China. Received: 2024-03-22  Revised: 2024-04-21  Online: null Supporting info