[Fu, Guihai;Wei, Limin] Cent S Univ, Coll Civil & Architectural Engn, Changsha 410075, Hunan, Peoples R China.^[Fu, Guihai] Hu Nan City Univ, Coll Civil Engn, Yiyang 413000, Peoples R China.^[Zhou, Hui] Hu Nan City Univ, Coll City Manage Engn, Yiyang 413000, Peoples R China.