1. Graduate Student, Dept. of Civil and Environmental Engineering, Cleveland State Univ., Cleveland, Ohio 44115-2214.
2. Professor, Dept. of Civil and Environmental Engineering, Cleveland State Univ., Cleveland, Ohio 44115-2214. E-mail: y.hung@csuohio.edu
3. Professor and Chair, Dept. of Civil and Environmental Engineering, Cleveland State Univ., Cleveland, Ohio 44115-2214. E-mail: p.bosela@csuohio.edu