1. College of Safety and Emergency Management Engineering, Taiyuan University of Technology, Taiyuan, China
2. College of Mining Engineering, Taiyuan University of Technology, Taiyuan, China
3. China Railway Eryuan Engineering Group Co., Ltd, Chengdu, China
4. Beijing Kunming High Speed Railway Xikun Co., Ltd, China
5. China Railway Tunnel Group Co., Ltd, China