Impact-mitigation mechanisms and quantitative toughening evaluation of coal-based cemented fill materials based on the FIMI-Lite index
1College of Energy Science and Engineering, Xi'an University of Science and Technology, Xi'an 710054, China
2Key Laboratory of Western Mine Exploration and Hazard Prevention of China Ministry of Education, Xi'an University of Science and Technology, Xi'an 710054, China
3Maiduoshan Coal Mine, National Energy Group Ningxia Coal Industry Co., Ltd., Yinchuan 750408, China
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