1. Lecturer, College of Mechanical and Automotive Engineering, Shanghai Univ. of Engineering Science, Shanghai 201620, China.,
2. Ph.D. Candidate, Dept. of Civil Engineering, School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong Univ., Shanghai 200240, China.
3. Professor, Dept. of Civil, Environmental, and Architectural Engineering, Univ. of Kansas, Learned Hall, 1530 W. 15th St., Room 2150, Lawrence, KS 66045.
4. Professor, Dept. of Civil and Environmental Engineering, College of Engineering, Shantou Univ., Shantou, Guangdong 515063, China; formerly, Dept. of Civil Engineering, Shanghai Jiao Tong Univ., Shanghai 200240, China (corresponding author).