1. Ph.D. Candidate, School of Civil Engineering, Dalian Univ. of Technology, Dalian 116023, China.
2. Professor, School of Civil Engineering, Dalian Univ. of Technology, Dalian 116023, China (corresponding author).
3. Associate Professor, School of Civil Engineering, Dalian Univ. of Technology, Dalian 116023, China.
4. Professor, School of Civil Engineering, Dalian Univ. of Technology, Dalian 116023, China.