1. Assistant Professor, Dept. of Civil Engineering, Xiamen Univ., Xiamen 361005, China.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong (corresponding author).
3. Chair Professor, Dept. of Civil and Environmental Engineering, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong.
4. Associate Professor, Dept. of Bridge Engineering, Tongji Univ., Shanghai 200092, China.
5. Graduate Student, Dept. of Civil Engineering, Xiamen Univ., Xiamen 361005, China.