1. Associate Professor, College of Civil Engineering and Architecture, A505 Anzhong Building, Zhejiang University, Hangzhou, 310058, P. R. China, Telephone: +86 139 5801 3964, Telefax: +86 571 8820 8721, E-mail: zhangyiping@zju.edu.cn
2. Assistant Professor, Department of Municipal Engineering, B304 Classroom Building, Zhejiang Water Conservancy and Hydropower College, Hangzhou, 310018, P. R. China, Telephone: +86 135 8849 5211, Telefax:+86 571 8692 9251, E-mail: litao@zjwchc.com
3. Graduate Student, College of Civil Engineering and Architecture, A506 Anzhong Building, Zhejiang University, Hangzhou, 310058, P. R. China, Telephone: +86 159 0443 5411, Telefax: +86 571 8820 8721, E-mail: f4wangyangf4@163.com