1. Graduate Student, Dept. of Civil Engineering, Univ. of Idaho, 875 Perimeter Dr., Moscow, ID 83844 (corresponding author).
2. Assistant Professor, Dept. of Civil Engineering, Univ. of Idaho, 875 Perimeter Dr., Moscow, ID 83844.
3. Professor, Dept. of Civil Engineering, Univ. of Idaho, 875 Perimeter Dr., Moscow, ID 83844.