1. Member, ASCE
2. Grad. Res. Asst., Dept. of Civ. and Envir. Engrg., Univ. of California, Berkeley, CA 94720.
3. Taisei Prof. of Civ. Engrg., Dept. of Civ. and Envir. Engrg., Univ. of California, Berkeley, CA 94720.
4. Emeritus Prof., Dept. of Civ. and Envir. Engrg., Univ. of California, Berkeley, CA 94720.