1. Associate Member, ASCE
2. P.E., Fellow, ASCE
3. Postdoctoral Res. Assoc., Yonsei Univ., Seoul 120-749, Republic of Korea; formerly, Grad. Res. Asst., Dept. of Civ. Engrg. and Engrg. Mech., Univ. of Arizona, Tucson, AZ 85721. E-mail: jwonhuh@hanmail.net
4. Prof., Dept. of Civ. Engrg. and Engrg. Mech., Univ. of Arizona, Tucson, AZ 85721. E-mail: haldar@u.arizona.edu