1. Assistant Professor, Civil and Mechanical Engineering Dept., Univ. of Missouri–Kansas City, Kansas, MO 64110 (corresponding author).
2. Associate Professor of Civil Engineering, Dept. of Civil, Construction, and Environmental Engineering, Iowa State Univ., Ames, IA 50011.
3. Professor of Civil Engineering, Dept. of Civil, Construction, and Environmental Engineering, Iowa State Univ., Ames, IA 50011.