School of Civil and Resource Engineering University of Science and Technology Beijing Beijing 100083 ChinaKey Laboratory of High-Efficient Mining and Safety of Metal Mines of the Ministry of Education University of Science and Technology Beijing Beijing 100083 ChinaMine Emergency Technology Research Center University of Science and Technology Beijing Beijing 100083 China;
School of Civil and Resource Engineering University of Science and Technology Beijing Beijing 100083 ChinaKey Laboratory of High-Efficient Mining and Safety of Metal Mines of the Ministry of Education University of Science and Technology Beijing Beijing 100083 ChinaMine Emergency Technology Research Center University of Science and Technology Beijing Beijing 100083 China;
School of Civil and Resource Engineering University of Science and Technology Beijing Beijing 100083 ChinaCollege of Safety Engineering North China Institute of Science and Technology Sanhe 101601 China;
School of Civil and Resource Engineering University of Science and Technology Beijing Beijing 100083 China;
School of Civil and Resource Engineering University of Science and Technology Beijing Beijing 100083 China;
Blasting dust; Copper mine; Wettability; Physicochemical properties;