1. Ph.D. Candidate, School of Civil Engineering, Purdue Univ., West Lafayette, IN 47907-2051 (corresponding author).
2. Ph.D. Student, School of Civil Engineering, Purdue Univ., West Lafayette, IN 47907-2051.
3. Assistant Professor, Dept. of Civil and Environmental Engineering, West Virginia Univ., 395 Evansdale Dr., Morgantown, WV 26506.
4. Professor and Head, Division of Construction Engineering and Management, Purdue Univ., 550 Stadium Mall Dr., West Lafayette, IN 47907.
5. Project Manager, Federal Aviation Administration, William J. Hughes Center, Airport Pavement R&D Section, Ang-E262, Bldg. #296, Atlantic City, International Airport, NJ 08405.