1. Associate Professor, School of Civil Engineering, Dalian Univ. of Technology, Dalian 116024, China (corresponding author).
2. Ph.D. Candidate, School of Civil Engineering, Dalian Univ. of Technology, Dalian 116024, China.
3. Professor, School of Civil Engineering and Architecture, Changsha Univ. of Science & Technology, Changsha 410114, China.
4. Professor, School of Civil Engineering, Dalian Univ. of Technology, Dalian 116024, China.