1. Professor, College of Civil Engineering, Wuhan Univ., Wuhan 430072, China.
2. Ph.D. Student, College of Civil Engineering, Wuhan Univ., Wuhan 430072, China (corresponding author).
3. Associate Professor, State Key Laboratory of Hydroscience and Engineering, Tsinghua Univ., Beijing 100084, China.
4. Ph.D. Student, College of Civil Engineering, Wuhan Univ., Wuhan 430072, China.
5. Professor, College of Civil Engineering and Architecture, Wuhan Univ. of Technology, Wuhan 430070, China.