1. Adjunct Professor, Center for Underground Infrastructure Research and Education (CUIRE), Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX.
2. Professor and Director, Center for Underground Infrastructure Research and Education (CUIRE), Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX.
3. Assistant Professor of Instruction, Center for Underground Infrastructure Research and Education (CUIRE), Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX.
4. Doctoral Graduate, Center for Underground Infrastructure Research and Education (CUIRE), Dept. of Civil Engineering, Univ. of Texas at Arlington, Arlington, TX.