1. State Key Laboratory of Deep Geomechanics and Underground Engineering China University of Mining and Technology Xuzhou 221116 China
2. School of Resource and Earth Science China University of Mining and Technology Xuzhou 221116 China
3. National Joint Engineering Laboratory of Internet Applied Technology of Mines China University of Mining and Technology Xuzhou 221116 China
4. China Communications Construction Fourth Harbor Engineering Institute CO. LTD Guangzhou 510230 China