作者机构:[1]Department of Civil Engineering, Tianjin University, Tianjin 300072, China, [2]Tianjin Key Laboratory of Civil Engineering Structures and New Materials, Tianjin 300072, China
相关基金:This study was sup- ported by National Natural Science Foundation of China under grant No. 50978183 and Tianjin Key Project for Applied Basic Research under grant No. 12JCZDJC29000.