1. Member, ASCE
2. Prof., Dept. of Civ. Engrg., Nat. Taiwan Univ., Taipei, Taiwan; and Dir. of Nat. Ctr. for Res. on Earthquake Engrg., Taipei, Taiwan.
3. Grad. Student, Dept. of Civ. Engrg., Nat. Taiwan Univ., Taipei, Taiwan.
4. Res. Asst., Dept. of Civ. Engrg., Nat. Taiwan Univ., Taipei, Taiwan.