1. P.E., Member, ASCE
2. Struct. Engr., KCI Technologies, Mechanicsberg, PA 17055; formerly, Grad. Res. Asst., Dept. of Civ. Engrg., Univ. of Nebraska, Lincoln, NE 68588.
3. PhD Candidate, Dept. of Civ. Engrg., Univ. of Nebraska, Lincoln, NE 68588.
4. Prof., Dept. of Civ. Engrg., Univ. of Nebraska, Lincoln, NE 68588.