Study on Deep Hole Loosening and Pre-Splitting Blasting Technology for Hard Rock Fault in Protective Layer Working Face
1.Pingdingshan Tianan Coal Mining Co., Ltd., Pingdingshan, Henan 467000, China
2.School of Mines, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
3.Jiangsu Engineering Laboratory of Mine Earthquake Monitoring and Prevention, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
4.State Key Laboratory of Coking Coal Resources Green Exploitation, China Pingmei Shenma Group Co., Ltd., Pingdingshan, Henan 467000, China
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