1. Ph.D. Student, College of Water Conservancy and Hydropower Engineering, Hohai Univ., Nanjing 210098, China; Visiting Student, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, AB, Canada T6G 1H9.
2. Professor, College of Water Conservancy and Hydropower Engineering, Hohai Univ., Nanjing 210098, China.
3. Professor, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Edmonton, AB, Canada T6G 1H9; Professor, School of Civil and Environmental Engineering, Ningbo Univ., Zhejiang 315211, China.
4. Professor, College of Water Conservancy and Hydropower Engineering, Hohai Univ., Nanjing 210098, China (corresponding author).