1. Ph.D. Candidate, School of Sustainable Engineering and the Built Environment, Arizona State Univ., Tempe, AZ.
2. Associate Professor, School of Sustainable Engineering and the Built Environment, Arizona State Univ., Tempe, AZ.
3. Professor and Beavers-Ames Chair in Heavy Construction, School of Sustainable Engineering and the Built Environment, Arizona State Univ., Tempe, AZ.