1. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Hawaii, Holmes Hall 383, 2540 Dole Street, Honolulu, HI 96822 (corresponding author).
2. Former Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Hawaii, 2540 Dole Street, Honolulu, HI 96822.
3. Emeritus Professor, Dept. of Civil and Environmental Engineering, Univ. of Hawaii, Holmes Hall 383, 2540 Dole Street, Honolulu, HI 96822.