1. Associate Professor, School of Civil Engineering and Architecture, Changsha Univ. of Science and Technology, Hunan 410004, China; formerly, Ph.D. Candidate, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China.
2. Professor, Dept. of Bridge Engineering, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China (corresponding author).
3. Principal Engineer, Communication Planning and Design Institute of Hubei Province, Wuhan 430051, China.