1. Key Laboratory of C&PC Structures of Ministry of Education, Southeast University, No. 2 Sipailou, Nanjing 210096, China
2. School of Civil Engineering, Southeast University, No. 2 Sipailou, Nanjing 210096, China
3. Department of Civil, Environmental & Architectural Engineering, The University of Kansas, 1530 West 15th Street, Lawrence, KS 66045, USA