Experimental study on characteristics of rock fracturing by high-pressure gas under different impact directions
1 Coal Mine Safe and Efficient Mining Key Laboratory Jointly Established by the Ministry of Education,Anhui University of Science and Technology,Huainan Anhui 232001,China
2 National and Local Joint Engineering Laboratory of Deep Well Gas Extraction and Surrounding Rock Control Technology,Jiaozuo Henan 454000,China
3 Student Affairs Department of Sichuan Vocational and Technical College,Suining Sichuan 629099,China
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