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