1. Postdoctoral Research Associate, Dept. of Civil and Environmental Engineering, Rice Univ., Houston, TX 77005.
2. Associate Professor, School of Transportation Science and Engineering and Laboratory of Advanced Material and Intelligent Control Technology on Transportation Safety, Harbin Institute of Technology, Harbin 150090, China.
3. Professor, Dept. of Civil and Environmental Engineering and Dept. of Mechanical Engineering, Rice Univ., Houston, TX 77005 (corresponding author).
4. Professor, School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China.
5. Ph.D. Student, School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China.