1. Professor, Dept. of Civil and Environmental Engineering, TH-S201, Technology Hall, Univ. of Alabama in Huntsville, Huntsville, AL 35899.
2. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, TH-S201, Technology Hall, Univ. of Alabama in Huntsville, Huntsville, AL 35899.
3. Dept. of Civil and Environmental Engineering, TH-S201,Technology Hall, Univ. of Alabama in Huntsville, Huntsville, AL 35899.
4. Adjunct Associate Professor, Dept. of Civil and Environmental Engineering, TH-S201, Technology Hall, Univ. of Alabama in Huntsville, Huntsville, AL 35899.