1. Graduate Research Assistant, Dept. of Civil Construction and Environmental Engineering, North Carolina State Univ., Raleigh, NC 27695.
2. Structures Group, URS Corp., 1600 Perimeter Park Dr., Ste. 400, Morrisville, NC 27560.
3. Associate Professor, Dept. of Civil Construction and Environmental Engineering, North Carolina State Univ., Raleigh, NC 27695.