1. China State Railway Group Co., Ltd., Beijing 100844, China
2. Department of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China
3. China Railway Eryuan Engineering Group Co., Ltd., Chengdu 610031, China
4. Sichuan Highway Planning, Survey, Design and Research Institute Ltd., Chengdu 610041, China
5. Zhongke (Hunan) Advanced Rail Transit Research Institute Co., Ltd., Zhuzhou 412000, China