1. Director of Testing and Characterization, Katerra, 542 1st Ave. S, Seattle, WA 98104.
2. Associate Professor, Dept. of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401 (corresponding author).
3. Associate Professor, Dept. of Bridge Engineering, Southwest Jiaotong Univ., Chengdu 610031, China.
4. Senior Engineer, Katerra, 542 1st Ave. S, Seattle, WA 98104.
5. Professor, Dept. of Civil and Environmental Engineering, Washington State Univ., Pullman, WA 99164.
6. Harold H. Short Endowed Chair, Dept. of Civil and Environmental Engineering, Colorado State Univ., Fort Collins, CO 80523.
7. Associate Professor, Dept. of Civil and Construction Engineering, Oregon State Univ., Corvallis, OR 97331.
8. Graduate Student, Dept. of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401.