1. Professor, School of Civil Engineering and Architecture, Zhejiang Univ. of Technology, Hangzhou 310023, PR China.
2. Ph.D. Student, School of Civil Engineering and Architecture, Zhejiang Univ. of Technology, Hangzhou 310023, PR China.
3. Professor, School of Civil Engineering and Architecture, Zhejiang Univ. of Technology, Hangzhou 310023, PR China (corresponding author).
4. Master Student, School of Civil Engineering and Architecture, Zhejiang Univ. of Technology, Hangzhou 310023, PR China.