Richard A. Coffman, Ph.D., P.E., P.L.S.

Assistant Professor
Civil Engineering

Office: Bell 4156
Phone: (479) 575-8767
Fax: (479) 575-7168
E-mail: rick@uark.edu

Education

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)

Teaching and Research

Teaching:

• Soil Mechanics (Undergraduate)
• Measurement of Soil Properties (Graduate)
• Seepage and Consolidation (Graduate)
• Geo-Environmental Engineering (Graduate)

Research Interests:

• Remote Sensing for Geotechnical Engineering Applications using Satellite-based Interferometric Synthetic Aperture Radar (SInSAR) and Ground-based Real Aperture Radar (GRAR)
• Determination of In-situ Hydraulic Characteristics of Soils and Geosynthetics
      Two-Stage Borehole Test (Boutwell)
      Sealed Double Ring Infiltrometer
• 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)

Selected Publications

• Coffman, R.A., Bowders, J.J., Burton, P.M, (2009) Use of SHANSEP Design Parameters in Landfill Design: A Cost/Benefit Case Study. American Society of Civil Engineers Geo-Institute GeoFlorida 2010. Palm Beach, Florida. Submitted for Review.
• Coffman, R.A., Huaco, D.R., Bowders, J.J. (2009) GeoWall: Creativity, Statistics, and Reliability. American Society of Civil Engineers Geo-Institute GeoFlorida 2010. Palm Beach, Florida. Submitted for Review.
• Coffman, R.A., Bowders, J.J. (2008). The University of Missouri Geotechnical Experiment Site: A Teaching and Research Opportunity. Geotechnical News. Submitted for Review.
• Coffman, Richard A. (2007). Engineers Without Borders. Missouri Surveyor: A Quarterly Publication of the Missouri Society of Professional Surveyors, December 2007: 42.
• Coffman, R. A., El-Sherbiny, R. M., Rauch, A. F., and Olson, R. E. (2004). Measured Horizontal Capacity of Suction Caissons. Paper No. OTC 16161, Proc., 2004 Offshore Technology Conference, Houston, Texas, May, 10 pages.