1. PhD Candidate in Civil Engineering, 220 Engineering Research Laboratory, Univ. of Missouri-Rolla, Rolla, MO 65409.
2. Structural Engineer, Co-Force America, Inc., 800 West 14th St., Rolla, MO 65401.
3. V&M Jones Professor, Dept. of Civil Engineering, 224 Engineering Research Laboratory, Univ. of Missouri-Rolla, Rolla, MO 65409.
4. Project Manager, St. Louis County, Division of Design and Construction, 41 South Central, Clayton, MO 63105.