1. School of Civil and Architectural Engineering, Central South Univ., Changsha, Hunan Province, People’s Republic of China.
2. Professor, School of Civil and Architectural Engineering, Central South Univ., Changsha, Hunan Province, People’s Republic of China (corresponding author).
3. Doctoral Candidate, School of Civil and Architectural Engineering, Central South Univ., Changsha, Hunan Province, People’s Republic of China.