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Richard A. Coffman – Curriculum Vitae

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RICHARD AARON (RICK) COFFMAN, Ph.D., P.E., P.L.S. Department of Civil Engineering, University of Arkansas

4190 Bell Engineering Center, Fayetteville, AR 72703 [email protected], 479-575-8767 (Work)

EDUCATION:

Doctor of Philosophy, Civil Engineering (Geotechnical) August 2009 University of Missouri Dissertation: Filtering of Synthetic Aperture Radar Data as Applied to the Characterization of

Localized Ground Deformation Features Committee: J. Erik Loehr, John Bowders, Brent Rosenblad, Francisco Gomez, Curt Davis, Justin

Legarsky

Master of Science, Engineering (Geotechnical) December 2003 University of Texas at Austin Thesis: Horizontal Capacity of Suction Caissons in Normally Consolidated Kaolinite Advisors: Roy Olson, Alan Rauch

Bachelor of Science, Civil Engineering May 2002 University of Wyoming Advisor: John Turner

LICENSURE AND CERTIFICATION: Professional Engineer (Arkansas PE-14475) December 2010 Professional Engineer (Missouri PE-2007020251) July 2007 Professional Land Surveyor (Missouri PLS-2006016623) June 2006 Engineer in Training (Wyoming EIT-4323) May 2002 Land Surveyor in Training (Wyoming LSIT-99) June 2002 University of Wyoming Land Surveyor Certificate May 2001 TEACHING EXPERIENCE:

Associate Professor/ University of Arkansas, Civil Engineering. Courses: Advanced Assistant Professor Foundations (graduate), Measurement of Soil Properties (graduate),

Geoenvironmental Engineering (graduate), Consolidation and Seepage (graduate), Unsaturated Soil Mechanics (graduate), Graduate Seminar Series (graduate), Introduction to Soil Mechanics (undergraduate), Soil Mechanics Laboratory (undergraduate). 8/2009-8/2015 (Assistant Professor), 8/2015-Present (Associate Professor).

Technical Advisor University of Missouri, Geotechnical Experiment Site. Provided geotechnical laboratory testing training and technical oversight for ten (10) undergraduate research students. 8/2006-8/2009.

Technical Advisor University of Missouri, Engineers Without Borders Chapter. Provided technical oversight for twenty (20) undergraduate students completing a water resources project in Santerem, Brazil. 4/2006-4/2007.

Peer Assistant University of Wyoming, College of Engineering. Assisted in preparing lectures and teaching a freshman-engineering course (Engineering 1000). 8/2001-5/2002.

Teacher’s Assistant University of Wyoming, College of Engineering. Graded papers for Mechanics of Materials classes. 8/2000-5/2002



TEACHING RATINGS:



RESEARCH EXPERIENCE:

Research Sabbatical Norwegian Geotechnical Institute. Oslo, Norway. Research related to soft ground considerations for offshore windfarms. 9/2016-6/2017.

Associate Professor University of Arkansas, College of Engineering. Fayetteville, AR 72701. PI and Assistant Professor Co-PI on various projects focusing in remote sensing, geoenvironmental design and

testing, tunneling, full-scale testing of foundations and geotechnical laboratory testing. 8/2009-8/2015 (Assistant Professor), 8/2015-present (Associate Professor).

Research Assistant University of Missouri, College of Engineering. Columbia, MO 65211. Research associated with degree, investigating the effects of filtering of synthetic aperture radar data to measure ground subsidence above tunneling construction. 8/2006-8/2009.

Research Advisor University of Missouri, College of Engineering. Columbia, MO 65211. Provided research oversight for two (2) undergraduate research students conducting research using synthetic aperture radar data. 8/2006-8/2009.

Research Advisor University of Missouri, Geotechnical Experiment Site. Columbia, MO 65211. Co-reviewer of three (3) undergraduate honors research student theses. 8/2006-12/2007.

Research Assistant University of Texas at Austin, College of Engineering. Austin, TX 78712. Research associated with degree, investigated the horizontal capacity of suction caisson foundations subjected to lateral loading below the mudline. 8/2002-12/2003.

STUDENTS ADVISED:

Undergraduate Research Completed (24): BSCE 2011: Matt Blanchard, Matt Nanak, Blake Peacock, John Wellenberger BSCE 2012: Caroline Hayden*, Michael Roster BSCE 2013: Elvis Ishimwe BSCE 2015 : David Samudio BSCE 2016: Brendan Yarborough BSCE 2017: Lyndsey Dickson*1 BSCE 2018: Greg Thomas1 BSCE 2019: Ana Laura Errigo*1, Haden Hodges1 FEP 2012: Samuel Davies13, Jordan Key13

FEP 2014: William Weidman13, Addison Heim*13 FEP 2016: Ryan Donnelly13, Tanner Poor13 GWCP 2011: Byron Wesson*4, Phillip States*4 GWCP 2012: Mariamawit Borga*4, Dieudonne Dusenge*4 IIE REU 2015: Guiherme Pontes7 Current (2): BSCE 2020: Andrew Adamson12, Julia Loshelder*12

Undergraduate Honors Research Completed (13):

BSCE 2011 T. Brett Gilbert1 Evaluation of a Centrifuge Consolidation Technique for Preparation of Direct Simple Shear Samples

Morgan Race*1 Effects of Piston Uplift, Piston Friction, and Machine Deflection in Reduced Triaxial Extension Testing

Camila Maldonado*1 Hydraulic Conductivity of Environmentally Controlled Landfill Liner Test Pad

BSCE 2013 Sean Salazar1 One-Dimensional Compressibility of Intermediate Non-Plastic Soil Mixtures

BSCE 2014 Michael Deschenes1 Resonant Column Torsional Shear: Drive Plate Mass Polar Moment of Inertia

BSCE 2015 Johnathan Blanchard1 Evaluation of the Equations Used to Calculate Permeability from the Two-stage Borehole Permeameter



BSCE 2016 Leah Miramontes*1 Validation of an Internal Camera Based Volume Determination System for Triaxial Testing

BSCE 2017 Lyndsey Dickson*1 Induced Earthquakes and Public Safety

BSCE 2018 Greg Thomas1 Development of a Hydraulic Conductivity Placement Window using Centrifuge Techniques

Esteban Miranda Pinzon1

Evaluation of a Centrifuge Consolidation Technique to Determine the Effects of Temperature and Time in Consolidation

Juan Martinez Castro1 Controlling Relative Humidity using Glycerin

BSCE 2019 Ana Laura Errigo*1 Displacement Derived Energy Levels for Harvard Miniature Compaction

Haden Hodges1 Development of a Ground-Based Aerial-Tracking Instrument for Open-Path Spectrometry to Monitor Atmospheric Constituents

Current (2): BSCE 2020 Andrew Adamson12 Gamma-Ray Spectroscopy for Soil Property Determination

Julia Loshelder*12 Multispectral Determination of Soil Water Content

Graduate Research Completed (15):

MSCE 2011 Cyrus Garner Non-Unique Solutions of Tunnel Characterization Using Ground Settlement Profile

MSCE 2012 Ali Boga Efficacy of Geosynthetic Separators And Filters: An Evaluation of Test Sections In Marked Tree, Arkansas

Omar Conte Slope Stability Monitoring Using Remote Sensing Techniques MSCE 2013 Matt Nanak Variability In The Hydraulic Conductivity of a Test Pad Liner

System Using Different Testing Techniques MSCE 2014 Sarah Bey* Cost-Benefit Analyses for Load Resistance Factor Design (LRFD)

of Drilled Shafts in Arkansas Elvis Ishimwe Field-Obtained Soil Water Characteristic Curves and Hydraulic

Conductivity Functions MSCE 2017 Johnathan Blanchard25 Validation of Borehole Well Equations using In-situ

Instrumentation Sean Salazar256 Photogrammetric Techniques for Measuring Axial and Radial

Strain of Soil Samples during Triaxial Testing MSCE 2018 Anh Tran29 Proposed ASTM Standard for the Stokoe-type Resonant Column

Torsional Shear Device PhD 2015 Morgan Race*5 Amount of Uncertainty in the Methods Utilized to Design Drilled

Shaft Foundations PhD 2016 Yi Zhao Development of a Back Pressure Saturated Constant Rate of Strain

Device with Bender Elements PhD 2017 Cyrus Garner Development of a Multiband Remote Sensing System for

Determination of Unsaturated Soil Properties PhD 2018 Elvis Ishimwe Dragload and Downdrag on Deep Foundations in the New Madrid

Seismic Zone Nabeel Mahmood Intrinsic Properties of Reconstituted Soil PhD 2019 Sean Salazar56 Mudslide and Rockfall Hazard Following Wildfires

Current (4):

PhD 2020 Johnathan Blanchard25 Group Effects on Pile Downdrag Following Liquefaction PhD 2022 Anh Tran29 Dynamic Properties of Soft Soils MS 2020 Esteban Miranda

Pinzon2 Effect of Global Warming on the Stiffness of Frozen Soil

MS 2020 Juan Martinez2 Glycerin Controlled Soil Water Characteristic Curves



STUDENT COMMITTIES: Undergraduate Johnathan Blanchard1 (2015), Jessica Carriero*1 (2011), Michael

Deschenes1 (2014), Lyndsey Dickson*1, Ryan DuChanois168 (2016), Brett Gilbert1 (2011), Alexander Jackson1 (2012), Camila Maldonado*1 (2011), Juan Martinez Castro (2018), Ana Laura Errigo*1 (2019), Haden Hodges1 (2019), Leah Miramontes*1 (2016), Esteban Miranda Pinzon(2018), Cameron Murray (2012), Morgan Race*16 (2011), Remington Reed (2016), Sean Salazar1 (2013), Sadie Smith*1 (2013), Greg Thomas (2018)

Graduate Sarah Bey* (MS, 2014), Johnathan Blanchard25 (MS, 2017), Ali Boga (MS, 2012), Deshinka Bostwick (MS, 2014), Omar Conte (MS, 2012), Cyrus Garner (MS, 2011), Cyrus Garner (PhD, 2017), Shawn Griffiths (MS, 2011), Taylor Goldman (MS, 2011), Piotr Gorecki (PhD, 2015), Elvis Ishimwe (MS, 2014), Elvis Ishimwe (PhD, 2018), Joseph Jabo (PhD, 2014), Anjana Kittu* (PhD, 2018), Cameron Murray (MS, 2014), Nabeel Mahmood (PhD, 2018), Matthew Nanak (MS, 2013), Jim Pool (MS), Morgan Race*5 (PhD, 2015), Anibal Santos (PhD)2, Sean Salazar256 (MS, 2017), Sean Salazar256 (PhD), Christina Trowler* (MS, 2010), Matthew Watters (MS, 2017), Yi Zhao (PhD, 2016)

*-indicates students from underrepresented minorities 1-indicates undergraduate honors student 2-indicates students currently being advised 3-indicates students in the Freshman Engineering Honors Program 4-indicates students in the George Washington Carver Program 5- indicates Honorable Mention National Science Foundation Graduate Research Fellowship Program 6- indicates National Science Foundation Graduate Research Fellow 7- indicates Institute of International Education Research Experience for Undergraduates 8- indicates Gates-Cambridge Fellow 9- indicates Vietnam Education Fellow PROPOSALS:

External Funding Proposed: $9,448,100 External Cost Share Proposed: $1,619,200 Internal Cost Share Proposed: $2,260,800

Total Proposed: $13,328,100

External Funding Received: $1,773,400 External Cost Share Received: $1,444,200

Internal Cost Share Received: $625,100 Total Received: $3,842,700

Funded: University of Arkansas Chancellor’s Gap Fund. “Soil Observation laser Absorption Spectrometer.”

September 2019, $30,000. National Science Foundation. PI, with graduate student Sean Salazar as EL. “I-Corps: Infrared laser

Absorption Spectroscopy for Soil Monitoring,” April 2019. $50,000. Nucor-Yamato Steel. PI. “Blast Induced Liquefaction of Pile Groups.” March 2019. $250,000 (in-

kind support). Missouri Department of Transportation. “Blast Induced Liquefaction of Pile Groups.” March 2019.

Awarded, $14,060 (in-kind support). University of Arkansas Honors College, Undergraduate Honors Research Grant. Co-PI, with

undergraduate student Ana Laura Errigo as PI. “Understanding Soil Fabric Using Pyrene.” December 2018. $4,000.



University of Arkansas Honors College, Undergraduate Honors Research Grant. Co-PI, with undergraduate student Julia Loshelder as PI. “Soil Property Identification by Means of the Electromagnetic Spectrum.” December 2018. $4,000.

University of Arkansas Faculty Equipment and Technology Grant Honors College Development Grant. PI. “As Easy as Pi...Using the Raspberry Pi Single Computer Board to Increase Innovation.” September 2018. $5,500.

National Science Foundation. Co-PI, with Thomas Oommen, Associate Professor, Michigan Technological University as PI. “August 2018 Landslide and Debris Flow Events in the State of Kerala, India – An Assessment of the Geotechnical Impacts.” August 2018, $10,000.

United States Department of Transportation Maritime Transportation Research and Education Center. PI. “Exposure to STEM: Diversity in Maritime Transportation.” August 2018. $15,154 (and $15,154 University of Arkansas cost-share).

National Science Foundation. Participant. “STEAM Training in Entrepreneurial Practices (STEP) I-Corps Site.” May 2018. $3,250.

University of Arkansas Honors College, Undergraduate Honors Research Grant. Co-PI, with undergraduate student Greg Thomas as PI. “Development of a Hydraulic Conductivity Placement Window using Centrifuge Techniques.” February 2016. $4,000.

University of Arkansas Honors College, Undergraduate Honors Research Grant. Co-PI, with undergraduate student Juan Martinez as PI. “Controlling Relative Humidity using Glycerin.” February 2016. $4,000.

University of Arkansas Honors College, Undergraduate Honors Research Grant. Co-PI, with undergraduate student Esteban Miranda as PI. “Evaluation of a Centrifuge Consolidation Technique to Determine the Effects of Temperature and Time in Consolidation.” February 2016. $4,000.

University of Arkansas Honors College, Undergraduate Honors Research Grant. Co-PI, with undergraduate student Leah Miramontes as PI. “Photogrammetric Measurements of Soil Volume Change during a Triaxial Test.” February 2016. Awarded, $2,900.

Southeastern Conference Travel Grant. Visits to University of South Carolina (Inthuorn Sasanakul) and Texas A&M University (Marcelo Sanchez). November 2015. $2,500

Provost Collaborative Research Grant. PI, with Dr. Michelle Bernhardt and Mr. Adam Barnes as Co-PI. “Development of an Internal Micro-Camera Based Strain Determination System for Triaxial Testing.” November 2014. $1,500.

Arkansas State Highway and Transportation Department. “Evaluating the Capacity of Deep Soil Foundations.” PI, with Dr. Kyle Rollins, Brigham Young University as Co-PI. April 2014. $345,486.

Missouri Department of Transportation. “Blast Induced Liquefaction of Single Piles.” April 2014. Awarded, $14,060 (in-kind support).

United States Department of Transportation Research and Innovation Technology Administration. “Remote Sensing Based Assessment System for Evaluating Risk to Transportation Infrastructure Following Wildfires.” PI, with Thomas Oommen, Assistant Professor, Michigan Technological University as Co-PI. March 2014. $571,901 (and $571,906 University of Arkansas and Michigan Technological University cost-share).

University of Arkansas Honors College, Undergraduate Honors Research Grant. Co-PI, with undergraduate student Sean Salazar as PI. “Small Strain Dynamic Properties of Mississippi Embayment Soils Obtained from the New Madrid Seismic Zone.” February 2013. Awarded, $2,900.

University of Arkansas Honors College, Undergraduate Honors Research Grant. Co-PI, with undergraduate student Michael Deschenes as Co-PI. “Dynamic Testing of Soil Using a Combined Resonant Column Torsional Shear Device.” February 2013. Awarded, $2,900.

Missouri Department of Transportation. “Cone Penetration Testing – LRFD Drilled Shaft Research in Arkansas.” August 2011. Awarded, $14,060 (in-kind support).

South Texas Plant Electric Generating Station. “Resonant Column Equipment Donation.” April 2011. Awarded, $66,550.

Mack-Blackwell Rural Transportation Center. “Identification of Expansive Soils Using Remote Sensing and In-situ Field Measurements - Phase I.” PI. April 2011. Awarded, $99,131.



Association of Drilled Shaft Contractors. “ADSC Industry Advancement Fund Research Proposal –LRFD Drilled Shaft Research in Arkansas.” PI. April 2011. Awarded, $1,152,000 (in-kind support).

Arkansas State Highway and Transportation Department. “Load and Resistance Factor Design (LRFD) Site Specific Variability in Laboratory and Field Measurements and Correlations.” PI. April 2011. Awarded, $450,372.

University of Arkansas Honors College, Undergraduate Honors Research Grant. Co-PI, with undergraduate student Camila Maldonado as the PI. “Atmospheric Effects on Soil Permeability.” March 2011. Awarded, $3,900.

Arkansas Department of Higher Education, Student Undergraduate Research Fellowship. PI, with undergraduate student Morgan Race as Co-PI. “Effects of Machine Deflection and Material Influence on Soil Shear Strength in Triaxial Extension Testing.” January 2011. Awarded, $3,900.

Mack-Blackwell Rural Transportation Center. “Performance of Flexible Pavement Systems Containing Geosynthetic Separators.” PI. April 2010. Awarded, $79,424.

Arkansas State Highway and Transportation Department. “Slope Stability Monitoring Using a Ground Based Portable Radar Interferometer.” PI. March 2010. Awarded, $164,524.

Arkansas Department of Higher Education, Student Undergraduate Research Fellowship. PI, with undergraduate student Morgan Race as Co-PI. “Soil Strength Variations Caused by Machine Deflections in Triaxial Extension Testing.” January 2010. Awarded, $3,900.

Arkansas Department of Higher Education, Student Undergraduate Research Fellowship. PI, with undergraduate student Brett Gilbert as Co-PI. “Direct Simple Shear Measurements of Soils Consolidated Using 3-D Centrifuge Consolidation Techniques.” January 2010. Awarded, $3,900.

United States Society on Dams. “Application of Remote Sensing for Performance Monitoring of Dams.” Research Proposal for Graduate Research. December 2006. Awarded, $10,000.

PATENTS :

Salazar S.E., Garner, C.D., Coffman, R.A., (2017). “Field Deployable Soil Observation Topographic Differential Absorption LiDAR (SOTDiAL).” U.S. Patent and Trademark Office. Patent 62/374,288. Filed August, 2017.

Salazar S.E., Coffman, R.A., (2016). “Pressurized Fluid-Submerged, Internal, Close-Range Photogrammetry System for Laboratory. Patent 15/360,820. Filed November, 2016.

JOURNAL PUBLICATIONS: Accepted:

Salazar, S.E., Coffman, R.A. (2019). “Multi-Channel Optical Receiver for Ground-Based Topographic Hyperspectral Remote Sensing.” Journal of Remote Sensing. Vol. 11, No. 5, 578; doi:10.3390/rs11050578.

Salazar, S.E., Garner, C.D., Coffman, R.A. (2019). “Development of a Multimode Field Deployable Lidar Instrument for Topographic Measurements of Unsaturated Soil Properties: Instrument Description.” Journal of Remote Sensing. Vol. 11, No. 3, 289; doi:10.3390/rs11030289.

Vishnu, C.L., Sajinkumar, K.S., Oommen, T., Coffman, R.A., Thrivikramji, K.P., Rani, V.E., Keerthy, S., (2019). Satellite-based Assessment of the August 2018 Flood in Parts of Kerala, India. Geomatics, Natural Hazards and Risk. Vol. 10, No. 1, doi: 10.1080/19475705.2018.1543212.

Salazar, S.E., Barnes, A.R., Miramontes, L.D., Bernhardt, M.L., Coffman, R.A., (2018). “Validation of an Internal Camera Based Volume Determination System for Triaxial Testing.” Geotechnical Testing Journal. doi: 10.1520/GTJ20170125.

Ishimwe, E., Blanchard, J.D., Coffman, R.A., (2018). “Field-obtained Soil Water Characteristic Curves and Hydraulic Conductivity Functions.” Journal of Irrigation and Drainage Engineering, Vol. 144, No. 1, pp. 1-12. doi: 10.1061/(ASCE)IR.1943-4774.0001272.

Ishimwe, E., Garner, C.D., Coffman, R.A., (2018). “Full-scale Thermo-Hydro-Mechanical Properties of Vertical Flow Bed Treatment Soils.” Geotechnical and Geological Engineering. Vol. 36, No. 4, pp. 2735-2748. doi: 10.1007/s10706-018-0495-x.



Zhao, Y., Mahmood, N.S., Coffman, R.A., (2018). “Small-strain and Large-strain Modulus Measurements with a Consolidation Device.” Journal of Testing and Evaluation. Vol. 47, No. 2, pp. 1-26. doi: 10.1520/JTE20160331.

Kern, A.N., Addison, P., Oommen, T., Salazar, S.E., Coffman, R.A., (2017). “Machine Learning Based Predictive Modeling of Debris Flow Probability Following Wildfire in the Intermountain Western United States.” Mathematical Geosciences. Col. 49, No. 6, pp. 717-735. doi: 10.1007/s11004-017-9681-2.

Race, M.L., Coffman, R.A., (2017). “Drilled Shaft Foundation Construction Problems.” International Journal of Geotechnical Engineering. pp. 1-13. doi: 10.1080/19386362.2016.1250042.

Salazar, S.E., Barnes, A.R., Coffman, R.A., (2017). “Closure to “Discussion of ‘Development of an Internal Camera-Based Volume Determination System for Triaxial Testing’ by S.E. Salazar, A. Barnes and R.A. Coffman” by A. Mehdizadeh, M.M. Disfani, R. Evans, A. Arulrajah and D.E.L. Ong.” Geotechnical Testing Journal. Vol 40, No. 1, pp. 47-51. doi: 10.1520/GTJ20160154.

Garner, C.D., Coffman, R.A., (2016). “Volumetric Water Content as Obtained from Remote Sensing and In-Situ Instrumentation.” Journal of Environmental and Engineering Geophysics. Vol. 21, No. 4, pp. 151-160. doi:10.2113/JEEG21.4.151.

Zhao, Y., Coffman, R.A., (2016). “Back-Pressure Saturated Constant-Rate-of-Strain Consolidation Device with Bender Elements: Verification of System Compliance.” Journal of Testing and Evaluation. Vol. 44, No. 6. pp. 2375-2386. doi: 10.1520/JTE20140291.

Salazar, S.E., Barnes, A.R., Coffman, R.A., (2015). “Development of an Internal Camera Based Volume Determination System for Triaxial Testing.” Geotechnical Testing Journal. Vol. 38, No. 4, pp. 1-7. doi: 10.1520/GTJ20140249.

Salazar, S.E., Coffman, R.A., (2015). “Discussion of A Photogrammetry-based Method to Measure Total and Local Volume Changes of Unsaturated Soils During Triaxial Testing by X. Zhang, L. Li, G. Chen, and R. Lytton.” Acta Geotechnica. Vol. 10, Issue 4, pp. 1-4. doi: 10.1007/s11440-015-0380-1.

Race, M.L., Coffman, R.A., (2015). “Response of Drilled Shaft Foundation Constructed in Redrilled Shaft Excavation Following Collapse.” Deep Foundations Institute Journal. Vol. 9, No. 2, pp. 60-73. doi:10.1179/1937524715Z.00000000020.

Race, M.L., Bey, S.M., Coffman, R.A., (2015). “Statistical Analysis to Determine Appropriate Design Methodologies for Drilled Shafts Foundations.” Geotechnical and Geological Engineering. Vol. 33, Issue 3, pp 713-726. doi: 10.1007/s10706-015-9854-z.

Race, M.L., Coffman, R.A., (2015). “Load Tests on Drilled Shaft Foundations in Moderately Strong to Strong Limestone.” Deep Foundations Institute Journal, Vol. 9, Issue 1, pp. 2-10. doi:10.1179/1937525514Y.0000000004.

Salazar, S.E., Coffman, R.A., (2015). “Consideration of Internal Board Camera Optics for Triaxial Testing Applications.” Geotechnical Testing Journal. Vol. 38, No. 1, pp. 1-11. doi:10.1520/GTJ20140163.

Coffman, R.A., Salazar, S.E., Zhao, Y. (2014). “Discussion of Measurement of Stiffness Anisotropy in Kaolinite Using Bender Element Tests in a Floating Wall Consolidometer by X. Kang, G.-C. Kang, B. Bate” Geotechnical Testing Journal. Vol. 37, No. 6, pp. 1-5. doi:10.1520/GTJ20140162.

Salazar, S.E., Coffman, R.A., (2014). “Design and Fabrication of End Platens for Acquisition of Small-Strain Piezoelectric Measurements during Large-Strain Triaxial Extension and Triaxial Compression Testing.” Geotechnical Testing Journal, Vol. 37, No. 6, pp. 1-12. doi:10.1520/GTJ20140057.

Coffman, R.A., Garner, C.D., Salazar, S.E., (2014). “The Development and Implementation of a Tunnel Characterization Method.” Geomechanics and Tunneling. Vol. 7, No. 2, pp. 178-184.

Garner, C.D., Coffman, R.A., (2014). “Discussion of Transparent Soil as a Substitute for Natural Soils in Geotechnical Modeling.” The Electronic Journal of Geotechnical Engineering. Vol. 19, Bundle E, pp. 1101-1108.

Garner, C.D., Coffman, R.A., (2013). “Subway Tunnel Design Using A Ground Surface Settlement Profile to Characterize an Acceptable Configuration.” Tunneling and Underground Space Technology. Vol. 35, pp. 219-226.

Race, M.L., Bey, S.M., Coffman, R.A., (2013). “Discussion of Implementation of LRFD of Drilled Shafts in Louisiana by Xinbao Yu, Murad Y. Abu-Farsakh, Sungmin Yoon, Ching Tsai, and Zhongjie Zhang.” Journal of Infrastructure Systems. Vol. 19, No. 3, pp. 351-353.



Under Second Review:

Mahmood, N.S., Salazar, S.E., Coffman, R.A., (2019). “Small-strain Characteristics of Reconstituted Soils.” Geotechnical Testing Journal. Submitted for Review on September 15, 2019, Manuscript Number: GTJ-2018-0098.R1.

Salazar, S.E., Coffman, R.A. (2019). “Validation of a Ground-Based Telescope-Assisted Hyperspectral Remote Sensor. ” Journal of Applied Remote Sensing. To be Submitted for Review on October 4, 2019. Manuscript Number: 190527.

Zhao, Y., Mahmood, N.S., Coffman, R.A., (2019). “Soil Fabric and Anisotropy as Observed Using Bender Elements During Consolidation.” International Journal of Geomechanics. Submitted for Review on July 5, 2019, Manuscript Number: GMENG-2688.R1.

Under First Review:

Mahmood, N.S., Coffman, R.A., (2017). “The Effects of Stress Path on the Characterization of Reconstituted Low Plasticity Kaolinite.” Soils and Foundations. Submitted for Review on September 8, 2017, Manuscript Number: SANDF-D-17-00352.

Mahmood, N. S., and Coffman, R. A., (2018). “Intrinsic Shear Strength Behavior of Reconstituted Kaolinite and Illite Soils.” Quarterly Journal of Engineering Geology and Hydrogeology, submitted on March 26, 2018, Manuscript Number: QJEGH2018-056.

In Preparation:

Garner, C.D., Coffman, R.A., (2019). “Optical Absorption and Scattering Properties of Investigated Soils.” Clay Mineral Society. In Preparation.

Race, M.L., Bernhardt, M.L, Coffman, R.A., (2019). “Utilization of a Bayesian Updating Method for Calibration of Resistance Factors.” Journal of Geotechnical and Geoenvironmental Engineering. In Preparation.

Rollins, K., Kevan, L.I, Ishimwe, E., and Coffman, R.A. (2019). “Analysis of Liquefaction-induced Dragload and Downdrag on Driven Pile Foundations” Journal of Geotechnical and Geoenvironmental Engineering. In Preparation.

Ishimwe, E., Rollins, K.M., and Coffman, R.A. (2019). “Dragload and Downdrag around Drilled Shafts following Blast-induced Liquefaction” Journal of Geotechnical and Geoenvironmental Engineering. In Preparation.

PEER-REVIEWED CONFERENCE PROCEEDINGS:

Kevan, L.I., Rollins, K.M., Coffman, R.A., Ishimwe, E., (2019). “Full-scale Blast Liquefaction Testing in Arkansas USA to Evaluate Pile Downdrag and Neutral Plane Concepts.” Seventh International Conference on Earthquake Geotechnical Engineering. Roma, Italy. July 17-20.

Ishimwe, E., Coffman, R.A., Rollins, K.M., (2018). “Analysis of Post-Liquefaction Axial Capacities of Driven Pile and Drilled Shaft Foundations,” Proceedings of ASCE Geo-Institute International Foundations Conference and Equipment Expo. Orlando, FL, March 5-10, 2018.

Garner, C.D., Coffman, R.A., (2014). “Remote Sensing Methods for Monitoring Ground Surface Deformation of Compacted Clay Test Sections.” ASCE Geotechnical Special Publication No. 234, Proc. GeoCongress 2014: Geo-Characterization and Modeling for Sustainability, Atlanta, Georgia, February, pp. 963-978.

Conte, O.A., Coffman, R.A., (2013). “Characterization of Landslides by Advanced Remote Sensing Techniques, Standard Monitoring Techniques, and Laboratory Testing.” ASCE Geotechnical Special Publication No. 231, Proc. GeoCongress 2013: Stability and Performance of Slopes and Embankments III, San Diego, California, March, pp. 289-303.

Race, M.L., Coffman, R.A., (2013). “Effect of Uncertainty in Site Characterization on the Prediction of Liquefaction Potential for Bridge Embankments in the Mississippi Embayment.” ASCE Geotechnical Special Publication No. 231, Proc. GeoCongress 2013: Stability and Performance of Slopes and Embankments III, San Diego, California, March, pp. 888-897.

Conte, O.A., Coffman, R.A., (2012). “Slope Stability Monitoring Using Remote Sensing Techniques.” ASCE Geotechnical Special Publication No. 225, Proc. GeoCongress 2012: State of the Art and Practice in Geotechnical Engineering, Oakland, California, March, pp. 3060-3068.



Maldonado, C.A., Coffman, R.A., (2012). “Hydraulic Conductivity of Environmentally Controlled Landfill Liner Test Pad.” ASCE Geotechnical Special Publication No. 225, Proc. GeoCongress 2012: State of the Art and Practice in Geotechnical Engineering, Oakland, California, March, pp. 3593-3602.

Coffman, R.A., Hale, W.M., (2011). “Faculty and Student Involvement in a Graduate Level Civil Engineering Seminar Series.” Paper No. 2364, Proc., American Society for Engineering Education 2011 Annual Conference and Exposition, Vancouver, BC, Canada, June, 5 pages.

Gilbert, T.B., Blanchard, M.C., Nanak, M.J., Coffman, R.A., (2011). “Evaluation of a Centrifuge Consolidation Technique for Preparation of Direct Simple Shear Samples.” ASCE Geotechnical Special Publication No. 211, Proc. GeoFrontiers 2011: Advances in Geotechnical Engineering, Dallas, Texas, March, pp. 2776-2785.

Hale, W.M., Coffman, R.A., (2011). “Observations from an Engineering Writing Project.” Paper No. 1455, Proc., American Society for Engineering Education 2011 Annual Conference and Exposition, Vancouver, BC, Canada, June, 7 pages.

Race, M.L., Coffman, R.A., (2011). “Effects of Piston Uplift, Piston Friction, and Machine Deflection in Reduced Triaxial Extension Testing.” ASCE Geotechnical Special Publication No. 211, Proc. GeoFrontiers 2011: Advances in Geotechnical Engineering, Dallas, Texas, March, pp. 2649-2658.

Coffman, R.A., Bowders, J.J., Burton, P.M., (2010). “Use of SHANSEP Design Parameters in Landfill Design: A Cost/Benefit Case Study.” ASCE Geotechnical Special Publication No. 199, Proc. GeoFlorida 2010: Advances in Analysis, Modeling and Design, West Palm Beach, Florida, February, pp. 2859-2866.

Coffman, R.A., Bowders, J.J., Huaco, D.R., (2010). “GeoWall: Creativity, Statistics, and Reliability.” ASCE Geotechnical Special Publication No. 199, Proc. GeoFlorida 2010: Advances in Analysis, Modeling and Design, West Palm Beach, Florida, February, pp. 3305-3314.

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., Olson, R. E., (2004). Measured Horizontal Capacity of Suction Caissons. Paper No. OTC 16161, Proc., 2004 Offshore Technology Conference, Houston, Texas, May, 10 pages.

TECHNICAL REPORTS:

Coffman, RA., Salazar, S.E. (2018). Implementation Report. Client : United States Department of Transportation, August.

Coffman, RA., Oommen, T. (2018). Final Report: Remote Sensing based Assessment for Evaluating Risk to Transportation Infrastructure Following Wildfires . Client : United States Department of Transportation, August.

Coffman, RA., Salazar, S.E. (2018). Soil Database. Client : United States Department of Transportation, June.

Coffman, RA., Salazar, S.E. (2018). Users Manual for Ground-based Remote Sensing Device. Client : United States Department of Transportation, June.

Coffman, R.A., Ishimwe, E. (2018). Evaluating the Capacity of Deep Soils Foundations Final Report for TRC Project 1502. Client: Arkansas State Highway and Transportation Department, March.

Coffman, R.A., Ishimwe, E., Dumre, S. (2015). Evaluating the Capacity of Deep Soils Foundations Interim Report for TRC Project 1502. Client: Arkansas State Highway and Transportation Department, September.

Coffman, R.A., Race, M.L., Bey, S.M., (2015). LRFD Site Specific Variability in Laboratory and Field Measurements and Correlations Final Report for AHTD TRC Project 1204. Client: Arkansas State Highway and Transportation Department, September.

Coffman, Richard A., (2013). Hope Landfill Triaxial Testing Report, Hope, AR. University of Arkansas Analytical Services Preliminary Report. Client: Grubbs, Hoskyn, Barton, and Wyatt, Inc., June.

Coffman, Richard A., (2013). El Dorado Chemical Shear Wave Velocity Testing, El Dorado, AR. University of Arkansas Analytical Services Preliminary Report. Client: Grubbs, Hoskyn, Barton, and Wyatt, Inc., June.



Coffman, Richard A., (2013). Performance of Westar Energy Vertical Flow Bed Test Section. Coffman Consulting Company, LLC Final Report. Client: Burns and McDonnell Engineering, Inc., December.

Coffman, R.A., Conte, O.A.R., (2012). Slope Stability Monitoring Using Remote Sensing Techniques Final Report for AHTD TRC Project 1102. Client: Arkansas State Highway and Transportation Department, November.

Coffman, R.A., Garner, C.D., (2012). Identification of Expansive Soils Using Remote Sensing and In-situ Field Measurements - Phase I Final Report for MBTC Project 3031. Clients: Mack-Blackwell Rural Transportation Center and the Arkansas State Highway and Transportation Department, November.

Coffman, R.A., Boga, A.A.R., (2012). Performance of Flexible Pavement Systems Containing Geosynthetic Separators Final Report for MBTC Project 3020. Clients: Mack-Blackwell Rural Transportation Center and the Arkansas State Highway and Transportation Department, March.

Coffman, R.A., Bowders, J.J., (2011). Landfill Liner Test Pad Permeability Geotechnical Investigation, Columbia, MO. University of Missouri Institute for Interdisciplinary Geotechnics Final Report. Client: Burns and McDonnell Engineering, Inc., July.

Coffman, Richard A., (2009). Processing of Synthetic Aperture Radar Data as Applied to the Characterization of Localized Deformation Features. PhD Dissertation, University of Missouri, August.

Coffman, R.A., Bowders, J.J., (2009). Summary of Laboratory Testing Results, Grand Forks, ND. University of Missouri Institute for Interdisciplinary Geotechnics Final Report. Client: Burns and McDonnell Engineering, Inc., January.

Coffman, R.A., Bowders, J.J., (2009). Summary of Laboratory Testing Results, St. Louis, MO. University of Missouri Institute for Interdisciplinary Geotechnics Final Report. Client: Burns and McDonnell Engineering, Inc., February.

Coffman, R.A., Bowders, J.J., (2008). Flue Gas Desulferation (FGD) Laboratory Test Results. University of Missouri Institute for Interdisciplinary Geotechnics Final Report. Client: Burns and McDonnell Engineering, Inc., January.

Coffman, R.A., Bowders, J.J., (2008). Landfill Liner Test Pad Permeability Geotechnical Investigation Weston, MO. University of Missouri Institute for Interdisciplinary Geotechnics Final Report. Client: Burns and McDonnell Engineering, Inc., April.

Coffman, R.A., Bowders, J.J., (2008). Landfill Cover Permeability Results, Bridgeton, MO. University of Missouri Institute for Interdisciplinary Geotechnics Final Report. Client: Aquaterra Environmental Solutions, Inc., July.

Coffman, R.A., Bowders, J.J., (2007). Landfill Liner and Cover Test Pad Permeability Geotechnical Investigation Marston, MO. University of Missouri Institute for Interdisciplinary Geotechnics Final Report. Client: Burns and McDonnell Engineering, Inc., April.

Coffman, Richard A., (2003). Horizontal Capacity of Suction Caissons in Normally Consolidated Kaolinite. M. S. Thesis, University of Texas at Austin, December.

SHORT COURSES: Coffman, R.A. (2019). Constant Rate-of-Strain Consolidation and Direct Simple Shear Testing

Techniques. United States Army Corps of Engineers. Los Angeles, California. January 15-17. Coffman, R.A. (2018). Advanced Geotechnical Laboratory Testing Techniques. United States Army

Corps of Engineers. Saint Louis, Missouri. April 16-20. Coffman, R.A. (2017). Advanced Geotechnical Laboratory Testing Techniques. United States Army

Corps of Engineers. Los Angeles, California. August 7-11. Coffman, R.A. (2016). Advanced Geotechnical Laboratory Testing Techniques. United States Army

Corps of Engineers. Saint Louis, Missouri. January 11-15. Coffman, R.A. (2015). Advanced Geotechnical Laboratory Testing Techniques. United States Army

Corps of Engineers. Saint Louis, Missouri. January 12-16. Coffman, R.A. (2014). Consolidated Undrained Triaxial Compression Testing. United States Army

Corps of Engineers. Saint Louis, Missouri. July 14-16. Coffman, R.A., Bowders, J.J., (2013). Advanced Geotechnical Laboratory Testing Techniques. United

States Army Corps of Engineers. Saint Louis, Missouri. May 28, June 24-28.



Coffman, R.A., Bowders, J.J., (2009). Advanced Geotechnical Laboratory Testing Techniques. Washington Department of Transportation. Olympia, Washington. August 10-12.

VIDEOS:

Coffman, R.A. (2018). “Dragload and Downdrag Analysis: Neutral Plane Method.” YouTube. https://www.youtube.com/watch?v=S1jkze0CCVw. Uploaded January 11, 2018.

Coffman, R.A. (2016). “Resistance Factors for Drilled Shaft Foundations in Arkansas.” YouTube. https://www.youtube.com/watch?v=wJiL-pniWX0. Uploaded: January 5, 2017.

Coffman, R.A. (2016). “Induced Liquefaction Turrell AR August 2016.” YouTube. https://www.youtube.com/watch?v=5YvFiYpR6ng. Uploaded: August 23, 2016.

Coffman, R.A. (2016). “Geotechnical Investigation.” YouTube. https://www.youtube.com/watch?v=lKXuzJRVAwU. Uploaded: September 16, 2016.

Coffman, R.A. (2016). “ Design a Drilled Shaft using FB-Deep Software.” YouTube. https://www.youtube.com/watch?v=U9ObNPlTwYA. Uploaded: June 28, 2016.

Coffman, R.A. (2016). “ Full Scale Load Tests with O-Cells.” YouTube. https://www.youtube.com/watch?v=lKXuzJRVAwU. Uploaded: June 28, 2016.

POSTER PRESENTATIONS:

Legarsky, J.J., Loehr, J.E., Davis, C.H., Rosenblad, B.L., Bloomfield, B., Hedrick, A.T., Coffman, R.A., Manjunath, D., (2007). Scatter Informatics using NASA JPL Polarimetric Airsar Imagery. American Geophysical Union Fall Meeting 2007. San Francisco, California, December.

Coffman, R.A., (2012). Remote Sensing for Engineering Applications. USUCGER 1st Early Career Geotechnical Engineering Conference at the 2013 CMMI Grantees Conference. Boston, MA, July.

Coffman, R.A., (2007). Application of Remote Sensing for Performance Monitoring of Dams. 27th Annual USSD Conference. Philadelphia, Pennsylvania, March.

Conte, O.A., Coffman, R.A., (2012). Slope Stability Monitoring Using Remote Sensing Techniques. ASCE Geo-Institute Geo-Congress 2012. Oakland, California, March.

Maldonado, C.A., Coffman, R.A., (2012). Hydraulic Conductivity of Environmentally Controlled Landfill Liner Test Pad. ASCE Geo-Institute Geo-Congress 2012. Oakland, California, March.

INVITED PRESENTATIONS:

ASCE Geo-structure Confluence Conference. “Blast Induced Liquefaction Testing in the New Madrid Seismic Zone.” St. Louis, MO, November 2, 2018.

Arkansas Highway and Transportation Department Transportation Research Committee 106th Meeting. “TRC 1502 – Evaluating the Capacity of Deep Foundations,” Hot Springs, AR, May 17, 2018.

ASCE Geo-Institute International Foundations Conference and Equipment Expo. “Analysis of Post-Liquefaction Axial Capacities of Driven Pile and Drilled Shaft Foundations,” Orlando, FL, March 9, 2018.

Norwegian Geotechnical Institute. “Dragload: Load Contribution on Deep Foundation Elements from Clay Deposits Overlaying Liquefied Sand-Part II.” Oslo, Norway, March 2, 2018.

Norwegian Geotechnical Institute. “Dragload: Load Contribution on Deep Foundation Elements from Clay Deposits Overlaying Liquefied Sand-Part I.” Houston, TX, November 6, 2017.

Norwegian Geotechnical Institute. “Damping – Definition, Measurement, and Interpretation.” Oslo, Norway, January 16, 2017.

Norwegian Geotechnical Institute. “Remote Sensing for Geotechnics.” Oslo, Norway, January 9, 2017.

Norwegian Geotechnical Institute. “Introduction to Resonant Column Testing.” Oslo, Norway, December 14, 2017.

Norwegian Geotechnical Institute. “Dragload: Load Contribution on Deep Foundation Elements from Clay Deposits Overlaying Liquefied Sand-Primer.” Oslo, Norway, November 8, 2016.

University of Missouri Geotechnical Engineering Seminar Series. “Deep Foundations,” Columbia, MO. September 9, 2016.



Texas A&M University. Southeastern Conference Travel Grant. “Remote Sensing for Geotechnics.” College Station, TX, March 11, 2016.

Transportation Research Board Annual Meeting; Sensing Technologies for Transportation Applications Workshop. “Development of a Topographic Differential Absorption LiDAR and Corresponding Decision Support System for Unstable Soil Characterization.” Washington, DC, January 10, 2016.

Transportation Research Board Annual Meeting. “Evaluation of a Remote Sensing Method for Determining Atterberg Limits and Clay Content.” Washington, DC, January 9, 2016.

United States Department of Transportation Commercial Remote Sensing and Spatial Information Technologies Workshop 2. “DEMO 8: Remote Sensing Based Assessment for Evaluating Risk to Transportation Infrastructure Following Wildfires.” Oklahoma City, OK, December 3, 2015.

University of South Carolina. Southeastern Conference Travel Grant. “LRFD for Drilled Shafts in Arkansas.” Columbia, SC, November 13, 2015.

American Association of State Highway Transportation Officials Subcommittee on Construction Meeting. “Water: The Enemy of Construction,” Little Rock, AR, August 10, 2015.

Arkansas Highway and Transportation Department Transportation Research Committee 100th Meeting. “TRC 1204 –LRFD Site Variability and TRC 1502 – Evaluating the Capacity of Deep Foundations,” Little Rock, AR, May 20, 2015.

Arkansas Highway and Transportation Department Transportation Research Committee 98th Meeting. “TRC 1204: Load Resistance Factor Design (LRFD) of Drilled Shafts in the State of Arkansas,” Little Rock, AR, May 14, 2014.

Arkansas Highway and Transportation Department Transportation Research Committee 97th Meeting. “Overview of Arkansas State Highway and Transportation Department Transportation Research Committee Project 1204,” Little Rock, AR, November 14, 2013.

Missouri Department of Transportation. “Overview of Arkansas State Highway and Transportation Department Transportation Research Committee Project 1204,” Jefferson City, MO, October 29, 2013.

University of Arkansas Freshman Engineering Program. “Geotechnical Engineering Research at the University of Arkansas,” Fayetteville, AR, September 18, 2013.

Shallow Exploration Drillers Clinic. “The Implications of Earthquakes on the Deep Foundations for Arkansas Bridges,” Springfield, MO, April 24, 2013.

Arkansas Highway and Transportation Department Transportation Research Committee 96th Meeting. “Slope Stability Monitoring and Remediation Techniques,” Little Rock, AR, May 15, 2013.

American Society for Photogrammetry and Remote Sensing “RaDAR Remote Sensing for Tunneling, Dam Settlement, and Expansive Soils Identification,” Fayetteville, AR, January 24, 2013.

Arkansas Highway and Transportation Department Transportation Research Committee 95th Meeting. “Identification of Expansive Soils Using Remote Sensing and In-Situ Field Measurement Phase I (MBTC 3031),” Little Rock, AR, November 29, 2012.

Mack Blackwell Rural Transportation Center Annual Advisory Board Meeting. “MBTC DOT 3031 Identification of Expansive Soils Using Remote Sensing and In-situ Field Measurements – Phase I” Fayetteville, AR, November 27, 2012.

National Academy of Sciences National Research Council Committee of Geological and Geotechnical Engineering. “Remote Sensing for Geotechnical Applications,” Washington, D.C., November 15, 2012.

University of Arkansas Freshman Engineering Program. “Geotechnical Engineering Research at the University of Arkansas,” Fayetteville, AR, September 4, 2012.

Arkansas Highway and Transportation Department Transportation Research Committee 94th Meeting. “TRC 1102: Slope Stability Monitoring Using Ground Radar,” Little Rock, AR, May 9, 2012.

Arkansas Highway and Transportation Department Transportation Research Committee 94th Meeting. “TRC 1204: Load and Resistance Factor Design: Site Specific Variability in Laboratory and Field Measurements and Correlations,” Little Rock, AR, May 9, 2012.

University of Missouri Geotechnical Engineering Seminar Series. “Remote Sensing for Geotechnical Applications,” Columbia, MO, March 16, 2012.

Annual Kansas City Specialty Geotechnical Seminar 2012. “Field and Laboratory Testing Program Associated with the LRFD Calibration of Bridge Foundations for the Arkansas State Highway and Transportation Department,” Kansas City, MO, January 20, 2012.



American Society of Civil Engineers, Northwest Arkansas Chapter. “LRFD Calibration of Geotechnical Projects in Arkansas,” Rogers, AR, November 2, 2011.

2011 ASEE Annual Conference and Exposition. “Faculty and Student Involvement in a Graduate Level Civil Engineering Seminar Series,” Vancouver, BC, Canada, June 27, 2011.

2011 ASEE Annual Conference and Exposition. “Observations from an Engineering Writing Project,” Vancouver, BC, Canada, June 27, 2011.

Arkansas Highway and Transportation Department Transportation Research Committee 92nd Meeting. “Efficacy of Geosynthetic Separators in Test Sections in Marked Tree, AR MBTC 3020,” Little Rock, AR, April 27, 2011.

Arkansas Society of Professional Engineers, Northwest Arkansas Chapter. “Remote Sensing: Characterization Of Ground Deformations Using Satellite and Ground Based Radar,” Fayetteville, AR, March 17, 2011.

ASCE Geo-Institute Geo-Frontiers 2011. “Effects of Piston Uplift, Piston Friction, and Machine Deflection in Reduced Triaxial Extension Testing,” Dallas, TX, March 16, 2011.

ASCE Geo-Institute Geo-Frontiers 2011. “Evaluation of a Centrifuge Consolidation Technique for Preparation of Direct Simple Shear Samples,” Dallas, TX, March 14, 2011.

American Society of Civil Engineers, Northwest Arkansas Chapter. “State of the Art vs. State of the Practice for Geotechnical Engineering Applications,” Fayetteville, AR, January 5, 2011.

Transportation Research Board 90th Annual Meeting. “Subway Tunnel Design Using a Ground Surface Settlement Profile to Characterize an Acceptable Configuration,” Washington, DC, January 24, 2011.

Arkansas Highway and Transportation Department Transportation Research Committee 91st Meeting. “Slope Stability Monitoring Using a Ground Based Portable Radar Interferometer TRC-1102,” Little Rock, AR, November 10, 2010.

Annual Kansas City Geotechnical Conference 2010. “Use of SHANSEP Analysis for Design of Landfill Sited on Very Soft Clay Deposits,” Kansas City, KS, April 9, 2010.

ASCE Geo-Institute Geo-Florida 2010. “GeoWall: Creativity, Statistics, and Reliability,” West Palm Beach, FL, February 22, 2010.

ASCE Geo-Institute Geo-Florida 2010. “Use of SHANSEP Design Parameters in Landfill Design: A Cost/Benefit Case Study,” West Palm Beach, FL, February 24, 2010.

NPAC-TWIG. “UGF Detection Methods Using Modified InSAR Processing Techniques.” Washington, DC, May 20, 2009.

PROPOSAL PRESENTATIONS:

Arkansas Department of Transportation - Transportation Research Committee 107th Meeting. “Mobile LiDAR for MASH Compliance,” Little Rock, AR, December 5, 2018.

Arkansas Highway and Transportation Department Transportation Research Committee 101st Meeting. “Low Weight Ground Improvement for St. Francis Sunken Lands,” Little Rock, AR, November 14, 2015.

Arkansas Highway and Transportation Department Transportation Research Committee 97th Meeting. “Laboratory Measurements of Dynamic Soil Properties to Predict Earthquake Response and Evaluating Post-Liquefaction Capacity of Deep Foundations: A Full-Scale Field Study,” Little Rock, AR, November 14, 2013.

Arkansas Highway and Transportation Department Transportation Research Committee 95th Meeting. “Site-Specific Ground Motion Response Analyses in Arkansas,” Little Rock, AR, November 29, 2012.

Missouri Department of Transportation Geotechnical Subcommittee. “Cone Penetration Testing – LRFD Drilled Shaft Research in Arkansas,” Jefferson City, MO, September 7, 2011.

Association of Drilled Shaft Contractors Drilled Shaft Subcommittee. “ADSC Industry Advancement Fund Research Proposal-Drilled Shaft Research in Arkansas,” Dallas, TX, April 14, 2011.

Arkansas Highway and Transportation Department Transportation Materials Subcommittee. “LRFD Site Specific Variability in Laboratory and Field Measurements,” Little Rock, AR, April 12, 2011.

Arkansas Highway and Transportation Department Transportation Research Committee 91st Meeting. “LRFD Site Specific Variability in Laboratory and Field Measurements,” Little Rock, AR, November 10, 2010.



Arkansas Highway and Transportation Department Transportation Materials Subcommittee. “Slope Stability Monitoring Using a Ground Based Portable Radar Interferometer,” Little Rock, AR, April 13, 2010.

Arkansas Highway and Transportation Department Transportation Research Committee 89th Meeting. “Slope Stability Monitoring Using a Ground Based Portable Radar Interferometer,” Little Rock, AR, November 17, 2009.

Arkansas Highway and Transportation Department Transportation Research Advisory Council. “Slope Stability Monitoring Using a Ground Based Portable Radar Interferometer,” Little Rock, AR, October 7, 2009.

CONSULTING EXPERIENCE: Co-owner and Coffman Consulting Company, LLC. Fayetteville, AR, 72703. Manage day- Manager to-day operations, and provide technical expertise for geotechnical engineering

consulting firm. 6/2008-Present

Project Engineer A Civil Group. Columbia, MO, 65201. Prepared and reviewed project drawings and Land Surveyor and plans. 1/2005-6/2006

Geotechnical Fugro-McClelland Marine Geosciences, Inc. Houston, TX 77081. On-site Engineer engineer for offshore geotechnical investigations; offshore laboratory testing;

prepared geotechnical reports. 1/2004-1/2005

Geotechnical HVJ Associates. Austin, TX 78701. On-site engineer for boring/coring Engineer inspection; laboratory testing; prepared geotechnical reports. 5/2002-8/2002

Global Positioning Steil Surveying Services. Cheyenne, WY 82003. Surveyed centerline and Surveyor right-of-way for 28-mile natural gas pipeline. 5/2001-8/2001

Global Positioning Coffey and Associates. Laramie, WY 82070. On-site surveyor for construction of Surveyor the Laramie, Wyoming, Wal-Mart parking lot. 5/2000-8/2000. HONORS AND AWARDS:

Alternate, Fulbright U.S. Scholar Program to Norway 2016 University of Arkansas Most Outstanding Faculty Member Award Finalist 2016 College of Engineering 2015-2016 Outstanding Researcher in Civil Engineering 2016 University of Arkansas Top 15 Externally Funded Researcher 2015 College of Engineering 2013-2014 Outstanding Service to Students in Civil Engineering 2014 College of Engineering 2012-2013 Outstanding Researcher in Civil Engineering 2013 Nominated for the UofA College of Engineering Imhoff Research Award 2013 Nominated for the National Academy Frontiers of Engineering Symposium 2013 Nominated for the 2013 ASCE ExCEEd New Faculty Excellence in Teaching Award 2013 Nominated for the National Academy Frontiers of Engineering Education Symposium 2012 College of Engineering 2011-2012 Outstanding Teacher in Civil Engineering 2012 University of Arkansas New Faculty Commendation for Teaching Commitment 2010-2012 Outstanding Mentor (UofA Office of Nationally Competitive Awards) 2010-2016

GeoEngineers Scholar 2008 United States Society on Dams Fellow 2007 Association of Drilled Shaft Contractors Nolan Scholar 2003 University of Wyoming Outstanding Male Graduating Senior Finalist (5 selected) 2002 Wyoming Engineering Society Senior Civil Engineering Student of the Year 2002 University of Wyoming College of Engineering Outstanding Junior 2001 Wyoming Association of Consulting Engineers and Surveyors Student of the Year 2001 American Legion Boys Nation Senator 1997

PROFESSIONAL AFFILIATIONS:



Member, Deep Foundations Institute, 2013-Present Member, American Society for Engineering Education, 2011-Present Member, American Society for Testing and Materials, 2010-Present

Member, Missouri Society of Professional Engineers, 2006-Present Member, Missouri Society of Professional Land Surveyors, 2006-Present Member, United States Society on Dams, 2006-Present Member, American Society of Civil Engineers, 1999-Present Member, Texas Society of Professional Engineers, 2002-2005 Member, Association of Drilled Shaft Contactors, 2002-2004, 2011-Present Member, Wyoming Engineering Society, 2001-2003 Member, Wyoming Association of Consulting Engineers and Surveyors, 2001-2003

ACTIVITIES:

RECOGNITION: Association of Drilled Shaft Contractors (ADSC) Foundation Engineering Faculty Workshop, 2016 USUCGER 1st Early Career Conference and CMMI Conference Participant, 2012 ASCE ExCEED Fellowship Recipient, 2011 Pile Driving Contractors Association Professors’ Driven Pile Institute Participant, 2011 REVIEWER: Editorial Board Member, ASTM International, Journal of Testing and Evaluation, 2014-present National Science Foundation CMMI Proposal Reviewer, 2013, 2015, 2017 Keynote Coordinator for the 2013 ASCE GeoCongress Conference Sound Geotechnical Research to Practice - A Geotechnical Special Publication Honoring the Contributions of Robert D. Holtz, 2012 National Science Foundation CMMI Research Proposal External Reviewer, 2011 ASCE Journal of Geotechnical and Geoenvironmental Engineering Article Reviewer, 2011-present ASTM Geotechnical Testing Journal Article Reviewer, 2011-present ASTM Journal of Testing and Evaluation Article Reviewer, 2011 Department of Defense NDSGE Proposal Review Panel Member, 2011 ASCE GeoCongress Conference Technical Paper Reviewer, 2010-present

COMMITTEES: ASCE Geo-Institute Student Participation Committee, 2017-Present ASCE Geo-Institute Regional Conference Committee, 2015-Present ASCE Geo-Institute Technical Committee – Embankments, Dams, and Slopes, 2010-2019 Secretary, 2013-2018

Keynote Coordinator for the 2013 ASCE GeoCongress Conference ASCE Geo-Institute Technical Committee – Engineering Geology and Site Characterization, 2010-Present Student Design Competition Chair for the 2014 GeoCongress Conference ASCE Geo-Institute Student Participation Committee (GeoWall) – 2009-Present Deep Foundations Institute Driven Pile Committee – 2018-Present Drilled Shaft Committee – 2018-Present College of Engineering Strategic Planning Committee, 2010-2011 University of Arkansas Academic Integrity and Code of Student Conduct Committee, 2017-Present, Chair 2018-Present University of Arkansas Teaching Council, 2012-2015 College of Engineering Civil Engineering (Geotechnical/Structural/Transportation) Faculty Search Committee, 2013 College of Engineering Civil Engineering (Transportation) Faculty Search Committee, 2010 Arkansas Department of Higher Education SURF Selection Committee, 2009



ADVISOR: Civil Engineering Honors College Coordinator and Advisor, 2010-Present Order of the Engineer, University of Arkansas Link Advisor, 2009-Present ASCE Geo-Institute GeoWall, University of Arkansas Advisor, 2009-Present

ASCE Regional Competition (1st Place [2011-2013, 2015, 2018], 2nd Place [2010, 2014], 3rd Place [2016])

ASCE National Competition (2nd Place [2016], 3rd Place [2011, 2015], 4th Place [2012], 6th Place [2013, 2017, 2019], 7th Place [2014, 2018])

ASCE Geo-Institute GeoPredictions, University of Arkansas Advisor, 2018-Present ASCE National Competition - 1st and 3rd Place [2018], 1st Place [2019]

LEADERSHIP/HONOR SOCITIES: Chi Epsilon, Member, 2014-present University of Missouri Geotechnical Engineering Organization, President, 2006-2007 Engineers Without Borders, MU Chapter, Brazil Assessment Team Member and Advisor, 2006-2007 Mortar Board Senior Honorary, Vice President, 2001-2002 Joint Engineering Council, University of Wyoming, 2000-2002 Tau Beta Pi Engineering Honor Society, Awards Chairman, 2000-2002, Member, 2000-Present Golden Key National Honor Society, 2000-2002

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