1. Professor, School of Civil Engineering and Architecture, Zhejiang Univ. of Technology, Hangzhou 310014, P. R. China (corresponding author).
2. Associate Professor, School of Civil Engineering and Architecture, Zhejiang Univ. of Technology, Hangzhou 310014, P. R. China.
3. Professor, State Key Laboratory of Coastal and Offshore Engineering, Dalian Univ. of Technology, Dalian 116024, P. R. China.
4. Professor, School of Civil Engineering and Architecture, Zhejiang Univ., Hangzhou 310058, P. R. China.