1. Professor, College of Civil Engineering and Architecture, Zhejiang Univ., Hangzhou 310058, China.
2. Ph.D. Candidate, College of Civil Engineering and Architecture, Zhejiang Univ., Hangzhou 310058, China.
3. Research Professor, College of Civil Engineering and Architecture, Zhejiang Univ., Hangzhou 310058, China (corresponding author).
4. Associate Professor, College of Civil Engineering and Architecture, Zhejiang Univ., Hangzhou 310058, China.