fbpx Bryson, Sebastian | University of Kentucky College of Engineering

L. Sebastian Bryson, Ph.D., P.E., D.GE, F.ASCE

Hardin-Drnevich-Huang Professor, Joint Appointment in Earth and Environmental Sciences; Department Chair


Professor, University of Kentucky: 7/2021 - present

Associate Professor, University of Kentucky: 7/2012 – 6/2021

Assistant Professor, University of Kentucky: 8/2006 – 7/2012

Assistant Professor Ohio University 11/2001 – 6/2006

GE Faculty Intern Northwestern University 9/2000 – 9/2001

Teaching and Research Assistant Northwestern University 9/1998 – 9/2000

Geotechnical Engineer CH2M HILL, Inc. 1/1992 – 9/1998

Research Engineer Federal Highway Administration 1/1990 – 1/1992


Ph.D. in Civil Engineering , Northwestern University 12/2002

M.Eng. in Civil Engineering ,  Howard University  5/1992

B.S. in Civil Engineering, Florida A&M University  5/1987


  • Unluoglu, H.A., Bryson, L.S., and Rose, J.G. (2024). “Predicting Dynamic Contact Stresses at Crosstie-Ballast Interface Based on Basic Train Characteristics,” Journal of Transportation Engineering, Part A: Systems, 150(5), 04024014.
  • Bryson, L.S., Mahmoodabadi, M., and Gomez-Gutierrez, I.C. (2023). “Mechanical Behavior of Weathered Compacted Shales,” Journal of Geotechnical and Geological Engineering, Springer, 10.1007/s10706-023-02657-5.
  • Adama, D., Bryson, L.S., and Wang, A. (2023). “Airfield suitability assessment from geophysical methods,” Transportation Geotechnics, 42, (2023), 101059. https://doi.org/10.1016/j.trgeo.2023.101059
  • Francis, D.M., and Bryson, L.S. (2023). “Proposed Methodology for Site Specific Soil Moisture Obtainment Utilizing Coarse Satellite-Based Data,” Environmental Earth Sciences, 82(15), 377. https://doi.org/10.1007/s12665-023-11057-0.
  • Unluoglu, H.A., Bryson, L.S., and Rose, J.G. (2023). “Stress Distribution in a Railroad Track at the Crosstie-Ballast Interface,” Journal of Transportation Engineering, Part A: Systems, ASCE, 149(8), 04023074.
  • Romana Giraldo, J., and Bryson, L.S. (2023). “Geophysics-based approach to predict triaxial undrained and drained compressive behavior in soft soils,” Journal of Applied Geophysics, 213, 105022.
  • Johnson, S.E., Haneberg, W.C., Bryson, L.S., and Crawford, M.M. (2023). “Measuring ground surface elevation changes in a slow-moving colluvial landslide using combinations of regional airborne lidar, UAV lidar, and UAV photogrammetric surveys,” Quarterly Journal of Engineering Geology and Hydrogeology, 56(2), qjegh2022-078.
  • Dashbold, B., Bryson, L.S., and Crawford, M.M. (2023). “Landslide Hazard and Susceptibility Maps Derived from Satellite and Remote Sensing Data Using Limit Equilibrium Analysis and Machine Learning Model,” Natural Hazards, 116(1), 235-265.

Research Description

My research interest focuses on applied geotechnics and includes landslide hazard assessment and prediction, laboratory testing of geologic materials, field instrumentation and monitoring of earth and earth-supported systems, numerical modeling of geotechnical systems, geophysics geotechnics, and performance of civil infrastructure. The intent of my research efforts is to develop innovative methodologies and technologies, centered on increased resiliency and sustainability of civil and geotechnical infrastructure.

Research Interests

Landslide Hazard Prediction and Assessment

Infrastructure Response to Severe Events

Laboratory Testing of Geologic Materials

Numerical Modeling Geotechnical Systems