1. Associate Professor, Dept. of Civil Engineering, Zhejiang Univ. of Technology, Hangzhou 310014, PR China.
2. Graduate Student, Dept. of Civil Engineering, Zhejiang Univ. of Technology, Hangzhou 310014, PR China.
3. Ph.D. Candidate, Dept. of Civil Engineering, Zhejiang Univ. of Technology, Hangzhou 310014, PR China.
4. Professor, Dept. of Civil Engineering, Zhejiang Univ. of Technology, Hangzhou 310014, PR China (corresponding author).
5. Professor, Dept. of Civil Engineering, Zhejiang Univ. of Technology, Hangzhou 310014, PR China.