1. Graduate Research Assistant, Lyles School of Civil Engineering, Purdue Univ., 550 Stadium Mall Dr., West Lafayette, IN 47907.
2. Professor, Lyles School of Civil Engineering, Purdue Univ., 550 Stadium Mall Dr., West Lafayette, IN 47907 (corresponding author).
3. Associate Professor, Dept. of Global and Sociocultural Studies, Florida International Univ., 3000 NE 151st St., North Miami, FL 33181.