1. Research Associate, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin-Madison, Madison, WI 53706; formerly, Postdoctoral Fellow, Dept. of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401.
2. Professor, Henan Unsaturated Soil and Special Soil Engineering Technology Research Center, College of Architecture and Civil Engineering, Xinyang Normal Univ., Xinyang, Henan 464000, China. ORCID: .
3. Formerly, Ph.D. Candidate, Dept. of Civil and Environmental Engineering, Univ. of Massachusetts Amherst, Amherst, MA 01003.
4. Professor, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin-Madison, Madison, WI 53706.
5. Professor, Dept. of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401 (corresponding author). ORCID: .