Faculty Directory

Richard A. Coffman

Richard A. Coffman

Associate Professor

College of Engineering

(CVEG)-Civil Engineering

Phone: 479-575-4954

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  • Remote Sensing for Geotechnical Engineering Applications
    • Satellite-based Interferometric Synthetic Aperture Radar (SInSAR)
    • Ground-based Real Aperture Radar (GRAR)
  • Deep Foundations
    • Axial and Lateral Capacity of Drilled Shafts
    • Blast Induced Liquefaction
  • Measurement of Soil Properties
    • Field Testing
      • Determination of In-situ Hydraulic Characteristics of Soils and Geosynthetics 
            Two-Stage Borehole Test (Boutwell) 
            Sealed Double Ring Infiltrometer
      • Determination of In-situ Soil Water Characteristic Curves (Volumetric Moisture Content and Soil Suction)
            Time Domain Reflectometry     
            Soil Water Matric Potential
            Remote Sensing  
    • Geotechnical Engineering Laboratory Testing 
          Shear Strength (Triaxial Compression and Extension, Direct Simple Shear) 
          Permeability (Constant Head and Constant Rate-of-Flow) 
          Consolidation (Constant Rate-of-Strain and Incremental Load)
          Dynamic Properties (Resonant Column/Torsional Shear and Bender Elements)
  • Soil Mechanics (Undergraduate)
  • Measurement of Soil Properties (Graduate)
  • Seepage and Consolidation (Graduate)
  • Geo-Environmental Engineering (Graduate)
  • Ph.D., University of Missouri, Columbia Missouri (2009)
  • M.S., The University of Texas, Austin Texas (2003)
  • B.S., University of Wyoming, Laramie Wyoming (2002)
  • Ishimwe, E., Garner, C., Coffman, R., 2018, “Full-Scale Hydro-Mechanical Properties of Vertical Flow Bed Treatment Soils, Geotechnical and Geological Engineering, 36 (4), 2735 – 2748.
  • Race, M., Coffman, R., 2018. “Drilled Shaft Foundation Construction Problems”, International Journal of Geotechnical Engineering 12 (1), 76-88.
  • Ishimwe, E., Blanchard, J., Coffman, R., 2017. “Field-Obtained Soil Water Characteristic Curves and Hydraulic Conductivity Functions”, Journal of Irrigation and Drainage Engineering, 144 (1), 04017056.
  • AN Kern, A., Addison, P., Oommen, T., Salazar, S., Coffman, R., 2017,  “Machine Learning Based Predictive Modeling of Debris Flow Probability Following Wildfire in the Intermountain Western United States”, Mathematical Geosciences 49 (6), 717-735.
  • Garner, C., Coffman, R., 2016. “Volumetric Water Content Measurements as Obtained from Remote Sensing and In Situ Instrumentation”, Journal of Environmental and Engineering Geophysics, 21 (4), 151-160.
  • College of Engineering 2013-2014 Outstanding Service to Students in Civil Engineering
  • College of Engineering 2012-2013 Outstanding Researcher in Civil Engineering
  • College of Engineering 2011-2012 Outstanding Teacher in Civil Engineering
  • Outstanding Mentor (University of Arkansas Office of Nationally Competitive Awards) in 2010, 2011, 2012, 2013, 2014 
  • University of Arkansas New Faculty Commendation for Teaching Commitment in 2010, 2011, 2012