1. Research Associate, Dept. of Civil Engineering, Univ. of Colorado Denver, Campus Box 113, P.O. Box 173364, Denver, CO 80217 (corresponding author). E-mail: rui.liu@ucdenver.edu
2. Assistant Professor, Dept. of Civil Engineering, Univ. of Colorado Denver, Campus Box 113, P.O. Box 173364, Denver, CO 80217.
3. Professor and Chair, Dept. of Civil Engineering, Univ. of Colorado Denver, Campus Box 113, P.O. Box 173364, Denver, CO 80217.
4. Professor and Director, Dept. of Civil Engineering, Center for Sustainable Infrastructure Systems, Univ. of Colorado Denver, Campus Box 113, P.O. Box 173364, Denver, CO 80217.