1. Professor and Chair, Construction Engineering and Management, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin-Madison, 2320 Engineering Hall, 1415 Engineering Dr., Madison, WI 53706 (corresponding author).
2. Civil Field Engineer, Bechtel Systems and Infrastructure, Inc., Bechtel Parsons Blue Grass Team, 830 Eastern Bypass, Suite 106, Richmond, KY 40475.
3. Graduate Student, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin-Madison, 2256 Engineering Hall, 1415 Engineering Dr., Madison, WI 53706.