Faculty Directory

Richard A. Coffman

Richard A. Coffman

Associate Professor

(ENGR)-Engineering

(CVEG)-Civil Engineering

Phone: 479-575-8767

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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 Entension, 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)
      • Centrifuge of frozen soils
  • Soil Mechanics (Undergraduate)
  • Seepage and Consolidation (Graduate)
  • Geo-Environmental Engineering (Graduate)
  • Advanced Foundations (Graduate)
  • Unsaturated Soil Mechanics (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)
  • Salazar, S., Coffman, R. 2019. Multi-Channel Optical Receiver for Ground-Based Topographic Hyperspectral Remote Sensing, Remote Sensing 11(5), 578.
  • Salazar, S. Garner, C., Coffman, R. 2019. Development of a multimode field deployable lidar instrument for topographic
    measurements of unsaturated soil properties: Instrument description, Remote Sensing 11(3), 289.
  • Salazar, S., Miramontes, L., Barnes, A., Bernhardt-Barry, M., Coffman, R. 2019. Verification of an internal close-range
    photogrammetry approach for volume determination during triaxial testing, Geotechnical Testing Journal 42(6) 1640-1662.
  • Zhao, Y., Mahmood, N., Coffman, R. 2019. Small-Strain and Large-Strain Modulus Measurements with a Consolidation Device, Journal of Testing and Evaluation 47(2), 1454-1478.
  • Vishnu, C., Sajinkumar, K., Oommen, T., Coffman, R., Thrivikramji, K., Rani, V., Keerthy, S. 2019. Satellite-based assessment of the August 2018 flood in parts of Kerala, India, Geomatics, Natural Hazards and Risk 10(1), 758-767.
  • Ishimwe, E., Garner, C., Coffman, R. 2018. Full-scale Thermo-Hydro-Mechanical Properties of Vertical Flow Bed
    Treatment Soils, Geotechnical and Geological Engineering 36(4), 2735-2748.
  • Ishimwe, E., Blanchard, J., Coffman, R. 2018. Field-obtained Soil Water Characteristic Curves and Hydraulic Conductivity
    Functions, Journal of Irrigation and Drainage Engineering, 144(1).
  • Race, M., Coffman, R. 2018. Drilled Shaft Foundation Construction Problems. 2018. International Journal of Geotechnical
    Engineering
    12(1), 76-88.
  • Salazar, S., Barnes, A., Miramontes, L., Bernhardt, M., Coffman, R. 2018. Validation of an Internal Camera Based Volume
    Determination System for Triaxial Testing, Geotechnical Testing Journal 42(6).
  • Zhao, Y., Mahmood, N., Coffman, R. 2018. Small-strain and Large-strain Modulus Measurements with a Consolidation
    Device, Journal of Testing and Evaluation 47(2).
  • 2015-2016 University of Arkansas Most Outstanding Faculty Member Award Finalist
  • College of Engineering 2015-2016 Outstanding Researcher in Civil Engineering
  • 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
  • 2010-2012 University of Arkansas New Faculty Commendation for Teaching Commitment
  • 2010-2018 Outstanding Mentor (U of A Office of Nationally Competitive Awards)