1. Assistant Professor, Dept. of Construction Engineering, National Taiwan Univ. of Science and Technology, Taipei 106, Taiwan (corresponding author).
2. Assistant Researcher, National Center for Research on Earthquake Engineering, Taipei 106, Taiwan.
3. Ph.D. Student, Dept. of Civil Engineering, National Taiwan Univ., Taipei 106, Taiwan.
4. Professor, Chairman, Dept. of Civil Engineering, National Taiwan Univ., Taipei 106, Taiwan.
5. SUNY Distinguished Professor, Special Task Director (MCEER), Dept. of Civil, Structural, and Environmental Engineering, Univ. at Buffalo, Buffalo, NY.