1. Professor, School of Civil Engineering and Architecture, Changsha Univ. of Science and Technology, No. 960 Wanjiali Rd., Changsha, Hunan 410114, China.
2. Lecturer, Key Laboratory for Safety Control of Bridge Engineering, Ministry of Education and Hunan Province, School of Civil Engineering and Architecture, Changsha Univ. of Science and Technology, No. 960 Wanjiali Rd., Changsha, Hunan 410114, China (corresponding author).
3. Ph.D. Student, School of Civil Engineering and Architecture, Changsha Univ. of Science and Technology, No. 960 Wanjiali Rd., Changsha, Hunan 410114, China.
4. Associate Professor, School for Engineering of Matter, Transport and Energy, Arizona State Univ., Tempe, AZ 85281.