1. Associate Professor, Dept. of Civil, Environmental, and Architectural Engineering, Univ. of Kansas, 2150 Learned Hall, 1530 W. 15th St., Lawrence, KS 66045-7609 (corresponding author). E-mail: jiehan@ku.edu
2. Professor, Dept. of Civil and Environmental Engineering, Univ. of Delaware, Newark, DE 19716. E-mail: dov@ce.udel.edu