1. Associate Professor, Dept. of Bridge Engineering, School of Civil Engineering, Southwest Jiaotong Univ., Sichuan 610031, China; Key Laboratory of High-Speed Railway Engineering, Ministry of Education, Sichuan 610031, China.
2. Professor, Dept. of Civil and Environmental Engineering, John D. Tickle Engineering, Building, Univ. of Tennessee, Knoxville, TN 37996-2313; Visiting Professor, School of Civil Engineering, Southwest Jiaotong Univ., Sichuan 610031, China (corresponding author).
3. Professor, Dept. of Bridge Engineering, School of Civil Engineering, Southwest Jiaotong Univ., Sichuan 610031, China.
4. Design Engineer, Tianjin Municipal Engineering Design and Research Institute, Tianjin 300000, China.
5. Professor, School of Architecture and Civil Engineering, Xihua Univ., Sichuan 610000, China.