1. Guest Researcher, Dept. of Civil Engineering, Shanghai Jiao Tong Univ., 800 Dongchuan Rd., Minhang District, Shanghai 200240, China; formerly, Research Associate, Dept. of Civil Engineering, National Taipei Univ. of Technology, No. 1, Sec. 3, Zhongxiao E. Rd., Taipei 10608, Taiwan (corresponding author).
2. Professor, Dept. of Civil Engineering, National Taipei Univ. of Technology (Taipei Tech), No. 1, Sec. 3, Zhongxiao E. Rd, Taipei 10608, Taiwan.
3. Professor and Department Head, Dept. of Civil Engineering, Shanghai Jiao Tong Univ., 800 Dongchuan Rd., Minhang District, Shanghai 200240, China.