1. Formerly, Grad. Res. Asst., Dept. of Civ. Engrg., Washington Univ., St. Louis, MO 63130.
2. Assoc. Prof., Dept. of Civ. Engrg., Washington Univ., St. Louis, MO 63130.
3. Doctoral Candidate and Grad. Res. Asst., Dept. of Civ. Engrg., Washington Univ., St. Louis, MO 63130.
4. Engrg. Fellow, Mat. Div., Lord Corp., Cary, NC 27511.