1. Professor, College of Civil Engineering, Fuzhou Univ., Fuzhou 350108, China (corresponding author).
2. Professor, Dept. of Structural Engineering, Univ. of Cagliari, 09124 Cagliari, Italy.
3. Postdoctoral Researcher, Progettazione e Pianificazione in Ambienti Complessi, Univ. Università Iuav di Venezia, 30135 Venice, Italy.
4. Professor, College of Civil Engineering, Tongji Univ., Shanghai 200092, China.