1. Assistant Professor, Dept. of Civil Engineering, Jordan Univ. of Science and Technology, Irbid, Jordan; formerly, Nano Infrastructure Research Group, Dept. of Civil Engineering, Univ. of Mississippi, Oxford, MS 38677-1848.
2. Associate Professor, Dept. of Civil Engineering, Univ. of Mississippi, Oxford, MS 38677-1848 (corresponding author).
3. Professor, Dept. of Civil Engineering, Univ. of Mississippi, Oxford, MS 38677-1848.
4. Associate Professor, Dept. of Civil Engineering, Univ. of Mississippi, Oxford, MS, 38677-1848.