1. Associate Professor, School of Civil Engineering, Sichuan Univ. of Science and Engineering, Zigong 643000, China; Sichuan Province Univ. Key Laboratory of Bridge Non-Destruction Detecting and Engineering Computing, Sichuan, Zigong 643000, China.
2. Associate Professor, School of Civil Engineering, Sichuan Univ. of Science and Engineering, Zigong 643000, China; Sichuan Province Univ. Key Laboratory of Bridge Non-Destruction Detecting and Engineering Computing, Sichuan, Zigong 643000, China; National and Local Joint Engineering Research Center of Shale Gas Exploration and Development, Chongqing Institute of Geology and Mineral Resources, Chongqing 401120, China (corresponding author).
3. Assistant Professor, State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui Univ. of Science and Technology, Huainan, Anhui 232001, China.