Funding for this research was provided by:
National Natural Science Foundation of China ((No. 51434006, 51774131,51774107))
Natural Science Foundation of Hunan province ((No. 2015JJ2067))
the CRSRI Open Research Program ((CKWV2017508/KY))
the Opening Project of State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology ((KFJJ19))
the Open Projects of State Key Laboratory of Coal Resources and Safe Mining, CUMT ((No. SKLCRSM16KF12))
Article History
Received: 7 January 2019
Accepted: 10 July 2019
First Online: 22 July 2019