1. Professor, Dept. of Construction Engineering, Chaoyang Univ. of Technology, 168 Jifong E. Rd., Wufong, Taichung County, Taiwan 413, R.O.C. E-mail: wsking@cyut.edu.tw
2. Senior Bridge Engineer, California Dept. of Transportation, Sacramento, CA, 95916.
3. Professor and Dean, College of Engineering, Univ. of Hawaii at Manoa, Holmes Hall 240, 2540 Dole St., Honolulu. HI 96822.
4. Professor, Dept. of Construction Engineering, Chaoyang Univ. of Technology, 168 Jifong E. Rd., Wufong, Taichung County, Taiwan 413, R.O.C.