1. School of Civil EngineeringCentral South University Changsha China
2. National Engineering Laboratory for High Speed Railway Construction Changsha China
3. Department of Civil and Environmental EngineeringUniversity of Maryland College Park MD USA
4. State Key Laboratory of Rail Transit Engineering Information (FSDI) Xi'an China
5. China Railway First Survey and Design Institute Group Co., Ltd. Xi'an China
6. China Railway Eryuan Engineering Group Co., Ltd. Chengdu China
7. China Railway Siyuan Survey and Design Group Co., Ltd. Wuhan China