1. Professor, School of Civil Engineering and Mechanics, Huazhong Univ. of Science and Technology, Wuhan 430074, China (corresponding author).
2. Ph.D. Student, School of Civil Engineering and Mechanics, Huazhong Univ. of Science and Technology, Wuhan 430074, China.
3. Graduate Student, School of Civil Engineering and Mechanics, Huazhong Univ. of Science and Technology, Wuhan 430074, China.
4. Professor, School of Civil Engineering and Mechanics, Huazhong Univ. of Science and Technology, Wuhan 430074, China.