1. Dept. of Civil and Environmental Engineering, California Polytechnic State Univ., San Luis Obispo, CA 93407 (corresponding author).
2. Dept. of Civil and Environmental Engineering, California Polytechnic State Univ., San Luis Obispo, CA 93407.
3. Dept. of Civil Engineering and Construction Engineering Management, California State Univ., Long Beach, CA 90840.
4. Dept. of Civil and Environmental Engineering, Univ. of Utah, Salt Lake City, UT 84112.