1. Associate Researcher, National Center for Research on Earthquake Engineering, Taipei 10668, Taiwan (corresponding author).
2. Researcher, National Center for Research on Earthquake Engineering, Taipei 10668, Taiwan.
3. Ph.D. Candidate, Dept. of Civil Engineering, National Taiwan Univ., Taipei 10617, Taiwan.
4. Professor, Dept. of Civil Engineering, National Taiwan Univ., Taipei 10617, Taiwan.
5. Senior Engineer, Institute of Bridge Engineering, China Engineering Consultants, Inc., 185, Sec. 2, Hsinhai Rd., Taipei 10637, Taiwan.
6. Director, Institute of Bridge Engineering, China Engineering Consultants, Inc., 185, Sec. 2, Hsinhai Rd., Taipei 10637, Taiwan.