1. Ph.D. Candidate, School of Civil Engineering, National Engineering Laboratory for Construction Technology of High Speed Railway, Central South Univ., Changsha 410075, China (corresponding author).
2. Professor, School of Civil Engineering, National Engineering Laboratory for Construction Technology of High Speed Railway, Central South Univ., Changsha 410075, China.
3. Ph.D. Candidate, School of Civil Engineering, National Engineering Laboratory for Construction Technology of High Speed Railway, Central South Univ., Changsha 410075, China.
4. Associate Professor, School of Civil Engineering, National Engineering Laboratory for Construction Technology of High Speed Railway, Central South Univ., Changsha 410075, China.