1. PhD Student, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana–Champaign, Urbana, IL 61801-2352.
2. PhD Candidate, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana–Champaign, Urbana, IL 61801-2352.
3. Professor, Dept. of Civil and Environmental Engineering, Univ. of Illinois at Urbana–Champaign, Urbana, IL 61801-2352.
4. Chemical Engineer, U.S. Army Construction Engineering Research Laboratory, Champaign, IL 61826.