1. Associate Professor, Dept. of Civil, Construction, and Environmental Engineering, Iowa State Univ., Ames, IA 50011.
2. PhD Candidate, Dept. of Civil, Construction, and Environmental Engineering, Iowa State Univ., Ames, IA 50011.
3. Assistant Professor, Dept. of Civil, Construction, and Environmental Engineering, Iowa State Univ., Ames, IA 50011.