1. Graduate Assistant Researcher, Zachry Dept. Civil Engineering, Texas A&M Univ., College Station, TX 77843-3136.
2. Captain, U.S. Air Force; formerly, Graduate Student, Zachry Dept. Civil Engineering, Texas A&M Univ., College Station, TX. 77843-3136.
3. Assistant Professor, Zachry Dept. Civil Engineering, Texas A&M Univ., College Station, TX 77843-3136 (corresponding author).
4. Inaugural Zachry Professor I, Zachry Dept. Civil Engineering, Texas A&M Univ., College Station, TX 77843-3136.