1. Engineer, Structural Engineering Dept. I, China Engineering Consultants, Inc., 185, Hsin-Hai Rd., Section 2, Taipei, Taiwan 106, R.O.C.
2. Professor, Dept. of Civil Engineering, National Taiwan Univ., Taipei, Taiwan 10617, R.O.C.
3. Senior Vice President, China Engineering Consultants, Inc., 185 Hsin-Hai Rd. Section 2, Taipei, Taiwan 106, R.O.C.