1. Postdoctoral Fellow, Key Laboratory of Concrete and Prestressed Concrete Structure of China Ministry of Education, School of Civil Engineering, Southeast Univ., Nanjing, Jiangsu 210096, P.R. China.
2. Wilkinson Chair of Interdisciplinary Engineering, Dept. of Civil, Construction, and Environmental Engineering, Iowa State Univ., Ames, IA 50011 (corresponding author). ORCID: .