1. Assistant Professor, Dept. of Civil Engineering, Florida Atlantic Univ., 777 Glades Rd., Bldg. 36, Room 222, Boca Raton, FL 33431-0091 (corresponding author).
2. Professor, Dept. of Civil, Architectural and Environmental Engineering, Univ. of Miami, 1251 Memorial Dr., McArthur 325, Coral Gables, FL 33146-0630.
3. Dept. Chair, Dept. of Chemistry, Clemson Univ., 519 Hunter Laboratories, Clemson, SC 29634-0973.
4. Graduate Assistant, Dept. of Civil, Architectural and Environmental Engineering, Univ. of Miami, 1251 Memorial Dr., McArthur 325, Coral Gables, FL 33146-0630.