[Sun, Cheng Fang] Dongguan Univ Technologu, City Coll, Dongguan 5231063, Peoples R China.^[Liu, Xiao Fan] Wuhan Polytechn Univ, Inst Struct & New Mat, Wuhan 430023, Peoples R China.^[Gu, Qian] Wuhan Univ Sci & Technol, Civil Eng Architecture Coll, Wuhan 430070, Peoples R China.