1. Postdoctoral Research Associate, School of Civil Engineering, Purdue Univ., 550 Stadium Mall Dr., West Lafayette, IN 47907 (corresponding author).
2. Graduate Research Assistant, School of Materials Engineering, Neil Armstrong Hall of Engineering, 701 West Stadium Ave., West Lafayette, IN 47907.
3. Graduate Research Assistant, Dept. of Agricultural and Biological Engineering, 225 South University St., West Lafayette, IN 47907.
4. Undergraduate Research Assistant, School of Civil Engineering, Purdue Univ., 550 Stadium Mall Dr., West Lafayette, IN 47907.
5. Assistant Professor, School of Materials Engineering, Neil Armstrong Hall of Engineering, 701 West Stadium Ave., West Lafayette, IN 47907.
6. Professor, Dept. of Agricultural and Biological Engineering, 225 South University St., West Lafayette, IN 47907.
7. Jack and Kay Hockema Professor of Civil Engineering, Director of Pankow Materials Laboratory, Lyles School of Civil Engineering, Purdue Univ., 550 Stadium Mall Dr., West Lafayette, IN 47907.