1. Professor, Dept. of Civil and Environmental Engineering, Arizona State Univ., P.O. Box 875306, Tempe, AZ 85287-5306.
2. President, Tao Engineering, 141 S. Sirrine, Mesa, AZ 85210 (corresponding author).
3. Assistant Professor, Dept. of Civil and Environmental Engineering, Arizona State Univ., P.O. Box 875306, Tempe, AZ 85287-5306.
4. AGC-Paul S. Roel Chair of Construction Engineering and Management and Professor, Dept. of Civil, Construction, and Environmental Engineering, San Diego State Univ., 5500 Campanile Dr., CA 92182-1324.
5. Professor Emeritus, Dept. of Civil and Environmental Engineering, Arizona State Univ., P.O. Box 875306, Tempe, AZ 85287-5306.