1. Assistant Professor, Civil Engineering and Construction Dept., Bradley Univ., 1501 W Bradley Ave., Peoria, IL 61625.
2. Graduate Research Assistant, Mechanical Engineering Dept., Bradley Univ., 1501 W Bradley Ave., Peoria, IL 61625.
3. Former Graduate Student, Mechanical Engineering Dept., Bradley Univ., 1501 W Bradley Ave., Peoria, IL 61625.
4. Assistant Professor, Civil Engineering Technology, Colorado State Univ.-Pueblo, 2200 Bonforte Blvd., Pueblo, CO 81001.