1. a College of Civil Engineering, Shenzhen University , 3688 Nanhai Road, Shenzhen , 518060 , China
2. b Department of Civil and Structural Engineering , The Hong Kong Polytechnic University , Hung Hom, Kowloon, Hong Kong , China
3. c College of Civil Engineering, Fuzhou University , 2 Xue Yuan Road, University Town, Fuzhou , 350108 , China