1. Professor, College of Civil Engineering, Hunan Univ., Changsha 410082, China (corresponding author). ORCID: .
2. Graduate Researcher, College of Civil Engineering, Hunan Univ., Changsha 410082, China.
3. Ph.D. Candidate, Dept. of Civil and Environmental Engineering, Univ. of Southern California, Los Angeles, CA 90007; formerly, Graduate Researcher, College of Civil Engineering, Hunan Univ., Changsha 410082, China. ORCID: .