1. Advanced Engineer, College of Civil Engineering, Wuhan Univ., Wuhan 430072, People’s Republic of China. E-mail: lyzhou4806@hotmail.com
2. Ph.D. Wuhan Municipal Engineering Design and Research Institute Co., Ltd., Wuhan 430015, People’s Republic of China. E-mail: c1j2b3@tom.com
3. Postgraduate, College of Civil Engineering, Wuhan Univ. Wuhan 430072, People’s Republic of China.