1. Postdoc Scholar, School of Civil and Construction Engineering, Oregon State Univ., Corvallis, OR.
2. Ph.D. Student, School of Civil and Construction Engineering, Oregon State Univ., Corvallis, OR.
3. CH2M Hill Professor in Civil Engineering, School of Civil and Construction Engineering, Oregon State Univ., Corvallis, OR.
4. Professor, School of Civil and Construction Engineering, Oregon State Univ., Corvallis, OR.