1. Assistant Professor, College of Civil Engineering, Hunan Univ., Changsha 410082, P.R. China (corresponding author). ORCID: .
2. Graduate Student, College of Civil Engineering and Mechanics, Xiangtan Univ., Xiangtan 41105, P.R. China.
3. Assistant Professor, Dept. of Civil, Architectural, and Environmental Engineering, Missouri Univ. of Science and Technology, Rolla, MO 65409.
4. Associate Professor, College of Civil Engineering and Mechanics, Xiangtan Univ., Xiangtan 41105, P.R. China.