1. Civil Engineer, School of Engineering, Vanderbilt Univ., Nashville, TN; formerly Graduate Student and Lecturer, School of Engineering, Vanderbilt Univ., Nashville, TN.
2. Civil Engineer and Professor, School of Engineering, Vanderbilt Univ., Nashville, TN (corresponding author).
3. Civil Engineer and Associate Professor, School of Engineering, Vanderbilt Univ., Nashville, TN.