Publications

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Reviewed Journals

  1. Zettler, T.E., Frost, J.D., and DeJong, J.T. “Shear Induced Changes in Geomembrane Surface Topography” Geosynthetics International, 2000, Vol. 7, No. 3, pp. 243-267.
  2. DeJong, J.T., Frost, J.D., Cargill, P.E. “Effect of Surface Texturing on CPT Friction Sleeve Measurements” American Society of Civil Engineers, Journal of Geotechnical and Geoenvironmental Engineering, 2001, Vol. 127, No. 2, pp. 158-168.
  3.  DeJong, J.T and Frost, J.D. “A Multisleeve Friction Attachment for the Cone Penetrometer” American Society for Testing and Materials, Journal of Geotechnical Testing, 2002, Vol. 25, No. 2, pp. 111-127.
  4.  DeJong, J.T., Frost, J.D., Saussus, D.R. “Measurement of Relative Surface Roughness at Particulate-Continuum Interfaces” American Society for Testing and Materials, Journal of Testing and Evaluation, 2002, Vol. 30, No. 1, pp. 8-19.
  5.  Frost, J.D., DeJong, J.T., and Recalde, M. “Shear Failure Behavior of Granular-Continuum Interfaces” Engineering Fracture Mechanics, 2002, Vol. 69, No. 17, pp. 2029-2048.
  6. Frost, J.D., Zettler, T.E., DeJong, J.T., Lee, S.W., and Kagbo, S. “Strain Induced Changes in Geomembrane Surface Topography” Geosynthetics International, 2002, Vol. 9, No. 1, pp. 21-20.
  7. DeJong, J.T., Randolph, M.F., and White, D.J. “Interface Load Transfer Degradation During Cyclic Loading: A Microscale Investigation” Soils and Foundations, 2003, Vol. 43, No. 4, pp. 81-94.
  8. Saussus, D.R., Frost, J.D., and DeJong, J.T. “Statistical Analysis of Friction Sleeve Length Effects on Soil Classification” International Journal of Numerical and Analytical Methods in Geomechanics, 2004, Vol. 28, No. 12, pp. 1257-1278.
  9. Frost, J.D. and DeJong, J.T. “In Situ Assessment of Role of Surface Roughness on Interface Response” ASCE Journal of Geotechnical and Geoenvironmental Engineering, 2005, Vol. 131, No. 4, pp. 498-511.
  10. Frost, J.D., DeJong, J.T., and Saussus, D.R. “Analytical Investigation of Friction Sleeve Length Effects on Stratigraphic Interpretation” American Society of Civil Engineers, International Journal of Geomechanics, 2006, Vol. 6, No. 1, pp. 11-29.
  11. DeJong, J.T. and Westgate, Z.J. “Role of Overconsolidation on Sand-Geomembrane Interface Response and Material Damage Evolution” Geotextiles and Geomembranes, 2005, Vol. 23, pp. 486-512.
  12. DeJong, J.T., White, D.J., and Randolph, M.F. “Microscale Observation and Modelling of Soil-Structure Interface Behavior Using Particle Image Velocimetry” Soils and Foundations, 2006, Vol. 46, No. 1, pp. 15-28.
  13. DeJong, J.T., Fritzges, M.B., and Nüsslein, K. “Microbial Induced Cementation to Control Sand Response to Undrained Shear” ASCE Journal of Geotechnical and Geoenvironmental Engineering, 2006, Vol. 132, No. 11, pp. 1381-1392.
  14. Civjan, S., Bonczar, C., Breña, S.F., DeJong. J.T., and Crovo, D.  “Integral Abutment Bridge Behavior: Parametric Analysis of a Massachusetts Bridge” ASCE Journal of Bridge Engineering, 2006, Vol. 21, No. 1, pp. 64-74.
  15. Ostendorf, D.W., Hinlein, E.S., Ahlfeld, D.P., and DeJong, J.T. “Calibrated Models of Deicing Agent Solids, Pavement Texture, and Specific Conductivity of Highway Runoff” American Society of Civil Engineers, Journal of Environmental Engineering, 2006, Vol. 132, No. 12, pp. 1562-1571.
  16. DeJong, J.T., Yafrate, N.J., and Don. J. DeGroot. “Development of a Miniature Piezoprobe for High Resolution Detection of Stratigraphic Interfaces” ASTM Geotechnical Testing Journal, 2007, Vol. 30, No. 4, pp. 1-11.
  17. Breña, S. F., Bonczar, C., Civjan, S.A., DeJong, J.T., and Crovo, D.S. “Evaluation of Seasonal and Yearly Behavior of an Integral Abutment Bridge” ASCE Journal of Bridge Engineering, 2007, Vol. 12, No. 3, pp. 296-305.
  18. DeJong, J.T. and Christoph, G.G. “Influence of Particle Properties and Initial Specimen State on 1-D Compression and Hydraulic Conductivity at High Stress Levels” ASCE Journal of Geotechnical Engineering, 2009, Vol. 135, No. 3, pp. 449-454.
  19. DeJong, J.T. and Westgate, Z.J. “Role of Initial State, Material Properties, and Confinement Condition on Local and Global Soil-Structure Interface Behavior” ASCE Journal of Geotechnical and Geoenvironmental Engineering, 2009, Vol. 135, No. 11, pp. 1646-1660.
  20. Yafrate, N.J., DeJong, J.T., DeGroot, D.J., and Randolph, M.R. “Evaluation of Remolded Shear Strength and Sensitivity of Soft Clay using Full-Flow Penetrometers”, ASCE Journal of Geotechnical and Geoenvironmental Engineering, 2009, Vol. 135, No. 9, pp. 1179-1189.
  21. DeJong, J.T., Mortensen, B.M., Martinez, B.C., and Nelson, D.C.  “Bio-Mediated Soil Improvement” Ecological Engineering, 2010, Vol. 36, pp. 197-210.
  22. DeJong, J.T., Yafrate, N.J., DeGroot, D.J., Lo, H.E., and Randolph, M.F. “Recommended Practice for Full-Flow Penetrometer Testing and Analysis”, ASTM Geotechnical Testing Journal, 2010, Vol. 33, No. 2, pp. 137-149.
  23. Armstrong, R.A., DeJong, J.T., and Yafrate, N.J. “Engaging students with diverse learning styles in large, media-intensive engineering classes using an integrated Tablet PC – Classroom Communication System Platform” Electronic Journal of Geotechnical Engineering, 2010, Vol. 15H, pp. 773-794.
  24. DeJong, J.T., Yafrate, N.J., DeGroot, D.J., and Randolph, M.F.  “Evaluation of Undrained Shear Strength Using Full-Flow Penetrometers”, ASCE Journal of Geotechnical and Geoenvironmental Engineering, 2011, Vol. 137, No. 1, pp. 14-26.
  25. DeJong, J.T., Soga, K., Banwart, S.A., Whalley, W.R., Ginn, T., Nelson, D.C. Mortensen, B.M., Martinez, B.C., Barkouki, T. “Soil Engineering In-vivo: Harnessing Natural Biogeochemical Systems for Sustainable, Multi-Functional Engineering Solutions”, J. Royal Society Interface, 2011, Vol. 8, pp. 1-15.
  26. Tagliaferri, F., Waller, J., Ando, E., Hall, S.A., Viggiani, G., Besuelle, P., and DeJong, J.T. “Observing Strain Localisation Processes in Bio-cemented Sand using X-ray Imaging” Granular Matter, 2011, Vol. 13, pp. 247-250.
  27. Mortensen, B.M., Haber, M.J., DeJong, J.T., Caslake, L.F., and Nelson, D.C. “Effects of Environmental Factors on Microbial Induced Calcium Carbonate Precipitation” Applied Microbiology, 2011, Vol. 111, Issue 2, pp. 338-349.
  28. Barkouki, T.H., Martinez, B.C., Mortensen, B.M., Weathers, T.S., DeJong, J.T., Spycher, N.F., Ginn, T.R., Smith, R.W., and Fujita, Y. “Forward and Inverse Bio-Geochemical Modeling of Microbially Induced Calcite Precipitation in Half-Meter Column Experiments” Transport in Porous Media, 2011, Vol. 90, pp. 23-39, DOI:10.1007/s11242-011-9804-z.
  29. DeJong, J., Randolph, M., DeGroot, D., and Yafrate, N. ”Closure to “Evaluation of Remolded Shear Strength and Sensitivity of Soft Clay Using Full-Flow Penetrometers” ASCE J. Geotech. Geoenviron. Eng., 2011, Vol. 137, No. 4, pp. 440–441, DOI: 10.1061/(ASCE)GT.1943-5606.0000467
  30. Weil, M.H., J.T. DeJong, B.C. Martinez, B.M. Mortensen, and J.T. Waller “Seismic and Resistivity Measurements for Real-Time Monitoring of Microbially Induced Calcite Precipitation in Sand” ASTM Journal of Geotechnical Testing, 2012, Vol. 35, No. 2, pp. 1-12, DOI: 10.1520/GTJ103365.
  31. DeJong, J.T., DeGroot, D.J., and Yafrate, N.J. “Closure to Discussion of ‘Evaluation of Undrained Shear Strength Using Full-Flow Penetrometers’” ASCE Journal of Geotechnical and Geoenvironmental Engineering, 2012, Vol. 138, No. 6, pp. 765-767, DOI: 10.1061/(ASCE)GT.1943-5606.0000569.
  32. DeJong, J.T. and Randolph, M.F. “Influence of Partial Consolidation during Cone Penetration on Estimated Soil Behavior Type and Pore Pressure Dissipation Measurements” ASCE Journal of Geotechnical and Geoenvironmental Engineering, 2012, Vol. 138, No. 7, pp. 777-788, DOI: 10.1061/(ASCE)GT.1943-5606.0000646.
  33. Montoya, B.M., Gerhard, R., DeJong, J.T., Wilson, D., Weil, M.H., Martinez, B.C., and Pederson, L. “Fabrication, Operation, and Health Monitoring of Bender Elements in Aggressive Environments” ASTM Journal of Geotechnical Testing, 2012, Vol. 35, No. 5, pp. 728-742. DOI: 10.1520/GTJ103300.
  34. Martinez, B.C., DeJong, J.T., Mortensen, B.M., Barkouki, T.H., Ginn, T.R., Hunt, C., Tanyu, B., Major, D. “Experimental Optimization of Microbial Induced Carbonate Precipitation” ASCE Journal of Geotechnical and Geoenvironmental Engineering, 2013,  139(4), 587–598
  35. Montoya, B.M., DeJong, J.T., and Boulanger, R.W. “Dynamic Response of Liquefiable Sand Improved by Microbial Induced Calcite Precipitation” Geotechnique, 2013, Vol. 63, No. 4, pp. 302-312
  36. DeJong, J.T., Soga, K.S., Kavazanjian, E., Burns, S., van Paassen, L., Al Qabany, A., Aydilek, A., Bang, S.S., Burbank, M., Caslake, L., Chen, C.Y., Cheng, X., Chu, J., Ciurli, S., Fauriel, S., Filet, A.E., Hamdan, N., Hata, T., Inagaki, Y., Jefferis, S., Kuo, M., Laloui, L., Larrahondo, J., Manning, D.A.C., Martinez, B., Montoya, B.M., Nelson, D.C., Palomino, A., Renforth, P., Santamarina, J.C., Seagren, E.A., Tanyu, B., Tsesarsky, M., Weaver, T. “Biogeochemical Processes and Geotechnical Applications: Progress, Opportunities, and Challenges” Geotechnique, 2013, Vol. 63, No. 4, pp. 287-301.
  37. Montoya, B.M. and DeJong, J.T. “Healing of biologically induced cemented sands”, Geotechnique Letters, 2013, Vol. 3, pp. 147-151.
  38. Martinez, B.C., DeJong, J.T., and Ginn, T.R. “Bio-geochemical reactive transport modeling of microbial induced calcite precipitation to predict the treatment of sand in one-dimensional flow” Computers and Geotechnics, 2014, Vol. 58, pp. 1-13.
  39. Bernardi, D., DeJong, J.T., Montoya, B.M., and Martinez, B.C. “Bio-bricks: Biologically cemented sandstone bricks” Construction and Building Materials, 2014, Vol. 55, pp. 462-469.
  40. Ghafghazi, M., Shuttle, D.A., and DeJong, J.T. “Particle Breakage and the Critical State of Sand” Soils and Foundations, 2014, Vol. 54, No. 3, pp. 451-461.
  41. Gomez, M.G., Martinez, B.C., DeJong, J.T., Hunt, C.E., deVlaming, L.A., Major, D.W., and Dworatzek, S.M. “Field Scale Bio-cementation Tests to Improve Sands”, Ground Improvement, 2014, 11 pgs.
  42. Maki, I., Boulanger, R.W., DeJong, J.T., and Jaeger, R. “State-based Overburden Normalization of Cone Penetration Resistance in Clean Sand”, ASCE J. Geotechnical and Geoenvironmental Engineering, 2014, Vol. 140, No. 2, http://dx.doi.org/10.1061/(ASCE)GT.1943-5606.0001020.
  43. Dahl, K. R., DeJong, J. T., Boulanger, R. W., Pyke, R., and Wahl, D. “Characterization of an alluvial silt and clay deposit for monotonic, cyclic and post-cyclic behavior” Canadian Geotechnical Journal, 2014, Vol. 51, pp. 432-440, http://dx.doi.org/10.1139/cgj-2013-0057.
  44. DeJong, J.T., Martinez, B.C., Ginn, T.R., Hunt, C.E., Major, D.W., and Tanyu, B. “Development of A Scaled Repeated Five-Spot Treatment Model for Examining Microbial Induced Calcite Precipitation Feasibility in Field Applications” ASTM Geotechnical Testing Journal, 2014, Vol. 37, No. 3, pp. 1-12, doi:10.1520/GTJ20130089.
  45. DeJong, J.T., Tibbett, M., and Fourie, A. “Geotechnical Systems that Evolve with Ecological Processes”  Environmental Earth Sciences, 2014, DOI 10.1007/s12665-014-3460-x.
  46. DeJong, J.T., Ghafghazi, M., Sturm, A., Armstrong, R., Perez, A., and Davis, C. “A New Instrumented Becker Penetration Test (iBPT) for Improved Characterization of Gravelly Deposits Within and Underlying Dams, 2014, The Journal of Dam Safety, Vol., 12, No. 2, pp. 9-19.
  47. Klar, A. Pinkert, S. and DeJong, J.T. “Evaluation of the soil strength rate parameter using full-flow penetrometers”, ICE Geotechnical Research, 2014, Vol. 1, Iss. 2, pp. 53-59.
  48. Krage, C.P., DeJong, J.T., and Schnaid, F. “Estimation of the Coefficient of Consolidation from Incomplete CPT Dissipation Tests”, ASCE J. Geotechnical and Geoenvironmental Engineering, 2015, Vol. 141, No. 2, 6 pp.
  49. Montoya, B.M. and DeJong, J.T. “Stress-Strain Behavior of Sands Cemented by Microbially Induced Calcite Precipitation”, ASCE J. Geotechnical and Geoenvironmental Engineering, 2015, 10.1061/(ASCE)GT.1943-5606.0001302.
  50. Park, D.S., Kutter, B.L., and DeJong, J.T. “Effects of Thixotropy and Cement Content on Sensitivity of Soft Remolded Clay”, ASCE J. Geotechnical and Geoenvironmental Engineering, 2015, Vol. 141, No. 2, http://dx.doi.org/10.1061/(ASCE)GT.1943-5606.0001221
  51. Dumlao, M.R., Ramananarivo, S., Goyal, V., DeJong, J.T., Waller, J., and Silk, W.K. “The role of root development of Avena fatua in conferring soil strength”, American Journal of Botany, 2015, Vol. 102, No. 7, pp. 1050-1060.
  52. Hoyos, L.R., DeJong, J.T., McCartney, J.S., Puppala, A.J., Reddy, K.R., and Zekkos, D. “Environmental geotechnics in the US region: a brief overview”, ICE Environmental Geotechnics, 2015, 7 pp.
  53. Proto, C.J., DeJong, J.D., Nelson, D.C., and Sturm, A.P. “Bio-Mediated Permeability Reduction of Saturated Sands”, ASCE J. Geotechnical and Geoenvironmental Engineering, in press.
  54. Krage, C.P. and DeJong, J.T. “Influence of Drainage Conditions during Cone Penetration on the Estimation of Engineering Properties and Liquefaction Potential of Silty and Sandy Soils”, ASCE J. Geotechnical and Geoenvironmental Engineering, in press.
  55. DeJong, J.T., Ghafghazi, M., Sturm, A.P., Wilson, D.W., den Dulk, J., Armstrong, R.J., Perez, A., and Davis, C.A. “Instrumented Becker Penetration Test, I: Equipment, Operation, and Performance”, ASCE J. Geotechnical and Geoenvironmental Engineering, in review.
  56. Ghafghazi M, DeJong JT, Sturm AP, Temple CE. “Instrumented Becker Penetration Test, II: iBPT- SPT correlation for liquefaction assessment in gravelly soils”, ASCE J. Geotechnical and Geoenvironmental Engineering, in review.

Conference Papers

  1. DeJong, J.T., Cargill, P.E., and Frost, J.D. “Measurements of Side Friction Using Textured CPT Friction Sleeves” Innovations and Applications in Geotechnical Site Characterization, American Society of Civil Engineers, Geotechnical Special Publication, 97, 2000, pp. 80-93.
  2. DeJong, J.T., Frost, J.D., Sacs, M. “Relating Quantitative Measures of Surface Roughness and Hardness to Geomaterial Interface Strength” Proceedings of GeoEng2000, Sydney, Australia, CD-ROM, 2000, 6 pp.
  3. DeJong, J.T. and Frost, J.D. “Effect of CPT Friction Sleeve Roughness and Position on fs Measurements” Proceedings of International Conference on In Situ Characterization of Soil Properties, Bali, 2001, pp. 637-642.
  4. Frost, J.D., and DeJong, J.T. “A New Multi-Friction Sleeve Attachment” Proceedings of 15th International Conference of Soil Mechanics and Geotechnical Engineering, Istanbul, Turkey, 2001, pp. 41-44.
  5. Frost, J.D. and DeJong, J.T. “Physical Evidence of Shear Banding at Granular-Continuum Interfaces” American Society of Civil Engineers, Engineering Mechanics Conference 2002 Conference, New York, New York, CD-ROM Proceedings, 2002, 8 p.
  6. DeJong, J.T., White, D.J. and Randolph, M.F. “Effect of Cementation of Cyclic Soil-Structure Interface Behavior” American Society of Civil Engineers, Engineering Mechanics Conference 2003 Conference, Seattle, Washington, CD-ROM Proceedings, 2003, 4 p.
  7. DeJong, J.T., DeGroot, D.J., Yafrate, N.J., and Jakabowski, J. “Detection of Soil Layering Using a Miniature Piezoprobe” Soil Rock America 2003 (12th Pan-american Conference for Soil Mechanics and Geotechnical Engineeering and the 39th US Rock Mechanics Symposium), Boston, MA., 2003, Vol. 1, pp. 151-156.
  8. DeJong, J.T., Howey, D.T., Civjan, S.A., Brena, S.F., Butler, D.S., Crovo, D.S., and Hourani, N. “Influence of Daily and Annual Thermal Variations on Integral Abutment Bridge Performance” American Society of Civil Engineers, Geo-Trans Conference, Los Angeles, California, 2004, pp. 496-505.
  9. DeJong, J.T., Yafrate, N.J., DeGroot, D.J., and Jakubowski, J. “Evaluation of the Undrained Shear Strength Profile in Soft Layered Clay Using Full-Flow Probes” 2nd International Site Characterization Conference, Porto, Portugal, Vol. 1, 2004, pp. 679-686.
  10. DeJong, J.T., Fritzges, M.B., Sellers, J.B., and McRae, J.B. “Pore Pressure Characterization of Geotechnical Experimentation Site Using Multilevel Vibrating Wire Piezometers” Geo-Quebec Conference, Quebec City, Canada, 2004, 8 p.
  11. DeJong, J.T. and Christoph, G.G. “Relation of Initial Specimen State and Particle Properties to the Breakage Potential of Granular Soils” Geo-Quebec Conference, Quebec City, Canada, 2004, 7 p.
  12. Westgate, Z. and DeJong, J.T. “Particle Crushing at the Soil-structure Interface During Cyclic Loading” American Society of Civil Engineers, Engineering Mechanics Conference 2004 Conference, Delaware, 2004, 5 p.
  13. Frost, J.D., Hebeler, G.L., Evans, T.M., and DeJong, J.T. “Interface Behavior of Granular Soils” 9th ASCE Aerospace Division International Conference on Engineering, Construction and Operations in Challenging Environments, Houston, TX, 2004, pp. 65-72.
  14. Bonczar, C., Breña, S.F., Civjan, S.A., DeJong, J., Crellin, B., and Crovo, D. “Field Data and FEM Modeling of the Orange-Wendell Bridge” Proceedings: 2005 FHWA Conference: Integral Abutment and Jointless Bridges (IAJB 2005), Baltimore, MD, 2005, pp. 163-173.
  15. Bonczar, C., Breña, S.F., Civjan, S.A., DeJong, J., and Crovo, D. “Integral Abutment Pile Behavior and Design – Field Data and FEM Studies” Proceedings: 2005 FHWA Conference: Integral Abutment and Jointless Bridges (IAJB 2005), Baltimore, MD, 2005, pp. 174-184.
  16. Yafrate, N.J. and DeJong, J.T. “Detection of Stratigraphic Interfaces and Thin Layering Using a Miniature Piezoprobe” American Society of Civil Engineers GSP 138, Austin, TX., 2005, 11 p.
  17. DeJong, J.T. and Yafrate, N.J. “Considerations in Evaluating the Remolded Undrained Shear Strength from Full Flow Penetrometer Cycling” International Symposium on Frontiers in Offshore Geotechnics, Perth, Australia, 2005, pp. 991-997.
  18. Fritzges, M.B., DeJong, J.T., and Nusslein, K.  “Biologically Induced Improvement of Loose Sand” Proc. 8NCEE Conference, Paper #1691, 2006, 10 p.
  19. Westgate, Z.J. and DeJong, J.T. “Evolution of Sand-Structure Interface Response During Monotonic Shear Using Particle Image Velocimetry” Geo-Congress Atlanta 2006 – Role of Geotechnical Engineering in the Information Technology Age, 2006, 6 p.
  20. Westgate, Z.J. and DeJong, J.T. “Evolution of Local Soil-Structure Interface Response using Particle Image Velocimetry” Proc. International Symposium on Geomechanics and Geotechnics of Particulate Media, 2006, 6 p.
  21. Yafrate, N.J. and DeJong, J.T. “Interpretation of Sensitivity and Remolded Undrained Shear Strength with Full Flow Penetrometers” Proceedings ISOPE Conference, San Francisco, CA, 2006, 6 p.
  22. Westgate, Z.J. and DeJong, J.T. “Geotechnical Considerations for Offshore Wind Farm Development and Foundation Optimization” WindPower 2006 Conference, Pittsburg, PA, 10 p., 2006.
  23. Yafrate, N.J. and DeJong, J.T. “Influence of Penetration Rate on Measured Resistance with Full Flow Penetrometers” Advances in Measurement and Modeling of Soil Behavior, ASCE GSP 173, Denver, CO, 2007, 10 p.
  24. DeGroot, D.J., DeJong, J.T., Yafrate, N.J., Landon, M.M., and Sheahan, T.C. “Application of Recent Developments in Terrestrial Soft Sediment Characterization Methods to Offshore Environments” Offshore Technology Conference, Paper No. 18737, 2007.
  25. Yafrate, N.J., DeJong, J.T. and DeGroot, D.J. “The influence of full-flow penetrometer area ratio on undrained strength measurements” 6th International Conference on Offshore Site Investigation and Geotechnics, Society for Underwater Technology (SUT), London, 2007, pp. 461-468.
  26. DeJong, J.T., Yafrate, N.J., and Randolph, M.F. “Use of a Full Flow Ball Penetrometer with Pore Pressure Measurements in Soft Clay” ISC-3: 3rd International Conference on Site Characterization (ISSMGE), Taipei, Huang and Mayne (eds)., 2008, pp. 269-1275.
  27. Low, H.E, Randolph, M.F, DeJong, J.T, and Yafrate, N. J. “Variable Rate Field Penetration Tests In Soft Clay” 3rd International Conference on Site Characterization (ISSMGE), Taipei, Huang and Mayne (eds). 2008, pp. 1087-1092.
  28. Dahl, K.R., Boulanger, R.W., and DeJong, J.T. “Cyclic Strength Testing of Low Plasticity Fine-Grained Soils”  Proceedings of Dam Safety 2008, Association of State Dam Safety Officials, Indian Wells, CA, September, 2008, 14 p..
  29. Jaeger, R.A., DeJong, J.T., and Boulanger, R.W. “Variable Rate Cone Penetration Testing” United States Society of Dams, 2008, Issue 146, 1 pp.
  30. Barkouki, T., Martinez, B., Mortensen, B., Weathers, T., DeJong, J., Spycher, N., Ginn, T., Fujita, Y., and Smith, R. “Forward and Inverse Bio-geochemical modeling of microbially induced calcite precipitation in 0.5m columnar experiments” TOUGH Symposium, Lawrence Berkeley National Laboratory, Berkeley, California, 2009, 8 pp.
  31. DeJong, J. T. and Martinez, B.M. “Bio-Mediated Soil Improvement: Load Transfer Mechanisms at the Micro- and Macro- Scales” Advances in Ground Improvement: Research to Practice in the United States and China, ASCE GSP No. 188, 2009, pp. 242-251.
  32. DeJong J.T., Martinez, B.C., Mortensen, B.M., Nelson, D.C. , Waller, J.T., Weil, M.H., Ginn, T.R., Weathers, T., Barkouki, T., Fujita, Y., Redden, G., Hunt, C., Major, D., Tanyu, B., “Upscaling of bio-mediated soil improvement”, 17th International Conference on Soil Mechanics and Foundation Engineering, Alexandria, Egypt, 2009, Vol. 3, pp. 2300-2303.
  33. DeJong J.T. “General Report for Technical Session 1D: In-situ Testing” 17th International Conference on Soil Mechanics and Foundation Engineering, Alexandria, Egypt, 2009, Vol. 4, pp. 3278-3287.
  34. DeJong, J.T. and Westgate, Z. “Linking Micro-Scale Behavior with Measured Global Interface Response” Research Symposium on the Characterization and Behavior of Interfaces, Research Symposium on the Characterization and Behavior of Interfaces, IOS Press, 2010, pp. 24-34.
  35. Park, D., Kutter, B.L., and DeJong, J.T. “Centrifuge modeling of a sensitive clay slope for simulation of strain softening” 7th International Conference on Physical Modeling in Geotechnics, 2010, pp. 159-164.
  36. Jaeger, R.A., DeJong, J.T., Boulanger, R.W., Low, H.E., and Randolph, M.F. “Variable penetration rate CPT in an intermediate soil” 2nd International Symposium on Cone Penetration Testing, 2010, 15 pp.
  37. Dahl, K. R., DeJong, J. T., Boulanger, R. W., and Driller, M. W. “Laboratory testing of an alluvial clayey and silty sand” United States Society on Dams Annual Conference, Sacramento, Calif., April 12-16, 2010, pp. 185-199.
  38. Dahl, K. R., DeJong, J. T., Boulanger, R. W., and Driller, M. W. “Effects of sample disturbance and consolidation procedures on cyclic strengths of intermediate soils” Fifth International Conference on Recent Advances in Geotechnical Earthquake Engineering and Soil Dynamics and Symposium in Honor of Professor I. M. Idriss, San Diego, Calif., 24-29 May, Paper No. OSP1, 2010, pp. 1-20.
  39. Martinez, B., Barkouki, T., DeJong, J.D., and Ginn, T.R. “Upscaling of Microbial Induced Calcite Precipitation in 0.5m Columns:  Experimental and Modeling Results” ASCE Geo-Institute Annual Conference: Geo-Frontiers 2011. Dallas, Texas, 2011, pp. 4049-4059.
  40. Al Qabany, A., Mortensen, B., Martinez, B., Soga, K., and DeJong, J.T. “Microbial Carbonate Precipitation: Correlation of S-Wave Velocity with Calcite Precipitation”. ASCE Geo-Institute Annual Conference: Geo-Frontiers 2011. Dallas, Texas, 2011, pp. 3993-4001.
  41. Mortensen, B.M., and DeJong, J.T. “Strength and Stiffness of MICP Treated Sand Subjected to Various Stress Paths”. ASCE Geo-Institute Annual Conference: Geo-Frontiers 2011. Dallas, Texas, 2011, pp. 4012-4020.
  42. Jaeger, R.A., DeJong, J.T., and Boulanger, R.W. “Cylindrical Cavity Expansion Analysis of Varialbe Penetration Rate Cone Penetration Testing using an Anisotropic Soil Model”. ASCE Geo-Institute Annual Conference: Geo-Frontiers 2011. Dallas, Texas, 2011, pp. 2288-2297.
  43. Armstrong, R.J., DeJong, J.T., and Yafrate, N.J. “Engaging Students with Diverse Learning Styles in Large Geotechnical Engineering Classes”. ASCE Geo-Institute Annual Conference: Geo-Frontiers 2011. Dallas, Texas, 2011, pp. 2857-2866.
  44. Thurairajah, A., DeJong, J.T., and Shantz, T. “A Reusable Instrumented Test Pile for Improved Pile Design”. ASCE Geo-Institute Annual Conference: Geo-Frontiers 2011. Dallas, Texas, 2011, pp. 27-35.
  45. Bernardi, D., Mortensen, B., DeJong, J.T., and DeJong, M.J. “Bio-Cemented Bricks”, IABSE-IASS 2011 Conference, London, UK, September 21-24, 2011, 8 p.
  46. DeJong, J.T., Mortensen, B., Soga, K., Kavazagian, E., Martinez, B. “Harnessing In-situ Biogeochemical Systems for ‘Natural’ Ground Improvement”, ASCE GeoInstitute Geo-Strata Magazine, Nov/December 2011, 37-39 p.
  47. Tom, G., DeJong, J.T., Boulanger, R.W., Jaeger, R.A., and Boylan, N. “Characterization and Modeling of a Reconstituted Offshore Silty-Clay”, ASCE GeoInstitute GeoCongress 2012, 2012, pp. 869-879.
  48. Montoya, B.M., DeJong, J.T., Boulanger, R.W., Wilson, D.W., Gerhard, R., Ganchenko, A., and Chou, J.C. “Liquefaction Mitigation using Microbial Induced Calcite Precipitation”, ASCE GeoInstitue GeoCongress 2012, 2012, pp 1918–1927.
  49. Yafrate, N.J. and DeJong, J.T. “Insitu Strength Assessment Using Full Flow Penetrometers”, ASCE GeoInstitute Geo-Strata Magazine, March/April 2012, 32-34 p.
  50. DeJong, J.T., Jaeger, R.A., Boulanger, R.W., Randolph, M.F., Wahl, D.A.J. “Variable Penetration Rate Cone Testing for Characterization of Intermediate Soils”, 4th International Site Characterization Conference, (Keynote Paper), 2012, 25-42.  Geotechnical and Geophysical Site Characterization 4 – Coutinho & Mayne (eds.), © 2013 Taylor & Francis Group, London, ISBN 978-0-415-62136-6
  51. Fourie, A.B., Tibbett, M., and DeJong, J.T. “The fallacy of designing for in-perpetuity: geotechnical presumptions, ecosystem responses and concepts for managing inevitable change”, Mine Closure 2012, A.B. Fourie and M. Tibbett (eds)., 2012, pp. 127-136.
  52. DeJong, J.T., Martinez, B.C., Ginn, T.R., Nelson, D.C. “Bio-geo-chemical processes for improvement of soil engineering properties with focus on microbially induced calcite precipitation”, Coupled Phenomena in Environmental Geotechnics, Manassero et al. (Eds.), Taylor and Francis Group, 2013, pp. 103-117.
  53. Gomez, M.G., DeJong, J.T., Martinez, B.C., Hunt, C.E., deVlaming, L.A., Major, D.W., and Dworatzek, S.M. “Bio-mediated Soil Improvement Field Study to Stabilize Mine Sands”, Geo-Montreal, 2014, 8 pgs.
  54. DeJong, J.T., Thurairajah, A., and Ghafghazi, M. “A Reusable Instrumented Test Pile for Improved Pile Design“, Geotechnical News, December 2013, pp. 29-33.
  55. Gomez, M.G., Anderson, C.M., DeJong, JT., Nelson, D.C., and Lau, X.H. “Stimulating In-Situ Soil Bacteria for Bio-Cementation of Sands”, GeoCongress 2014, GSP 234, 2014, pp. 1674-1682.
  56. DeJong, J.T., Proto, C., Kuo, M., and Gomez, M. “Bacteria, Bio-films, and Invertebrates… the Next Generation of Geotechnical Engineers?”, GeoCongress 2014, GSP 234, 2014, pp. 3959-3968.
  57. Ghafghazi, M., Thurairajah, A., DeJong, J.T., Wilson, D.W., Armstrong, R. “Instrumented Becker Penetration Test for Improved Characterization of Gravelly Deposits” GeoCongress 2014, GSP 234, 2014, pp. 37-46.
  58. Krage, C.P., DeJong, J.T., and Wilson, D.W. “Variable Penetration Rate Cone Testing in Sands with Fines”, GeoCongress 2014, GSP 234, 2014, pp. 170-179.
  59. Ghafghazi, M., DeJong, J.T., Sturm, A.P., Wilson, D.W., Davis, C., Perez, A., and Armstrong, R. “Characterization of Gravelly Soils for Liquefaction Potential Assessment at Dam Sites Using the iBPT”, USSD 2014 Conference, San Francisco, CA, 2014, pp. 285-297.
  60. Maki, I.P., Boulanger, R.W., DeJong, J.T., and Jaeger, R.A. “Overburden Normalization of CPT Data in Sands to Clays”, CPT ’14, Las Vegas, 2014, pp. 611-619.
  61. Krage, C.P., Broussard, N.S., and DeJong, J.T. “Estimating Rigidity Index (IR) Based on Cone Measurements”, CPT ’14, Las Vegas, 2014, pp. 727-735.
  62. Jaeger, R.A., DeJong, J.T., Boulanger, R.W., and Maki, I.P. “Effects of State Parameter, Fines Content, and Overburden Stress on Cone Penetration Resistance in Silty Sands”, CPT ’14, Las Vegas, 2014, pp. 655-663.
  63. DeJong, J.T. “Sustainable Biogeotechnics”, ASCE Geo-Institute Geo-strata, October 2015, pp. 24- 32.
  64. DeJong, J.T., Sturm, A., and Ghafghazi, M. “Characterization of Gravelly Alluvium”, 6th ICEGE Conference (keynote), Christchurch, New Zealand, 2015, 20 pp.
  65. Price, A.B., Boulanger, R.W., DeJong, J.T., Parra Bastidas, A.M., and Moug, D. “Cyclic strengths and simulated CPT penetration resistances in intermediate soils”, 6th ICEGE Conference, Christchurch, New Zealand, 2015, 8 pp.
  66. Krage, C.P., DeJong, J.T., DrGroot, D.J, Dyer, A.M., and Lukas, W.F. “Applicability of Clay-Based Sample Disturbance Criteria to Intermediate Soils”, 6th ICEGE Conference, Christchurch, New Zealand, 2015, 8 pp.
  67. Price, A.B., DeJong, J.T., Boulanger, R.W., Parra Bastidas, A.M., and Moug, D. “Effect of Prior Strain History on Cyclic Strength and CPT Penetration Resistance of Silica Silt”, ASCE Geo-Institute, Geo-Sei 2016 Conference, 8 pp.
  68. Darby, K.M, Bronner, J.D., Parra Bastidas, A.M., Boulanger, R.W. and DeJong, J.T. “Effect of Shaking History on Cone Penetration Resistance and Cyclic Strength of Saturated Sand”, ASCE Geo-Institute, Geo-Sei 2016 Conference, 11 pp.
  69. Munter, S.K., Krage, C.P., Boulanger, R.W., DeJong, J.T., and Montgomery, J. “Potential for Liquefaction-Induced Lateral Spreading in Interbedded Deposits Considering Spatial Variability”, ASCE Geo-Institute, Geo-Sei 2016 Conference, 11 pp.

Conference Abstracts

  1. DeJong, J.T. and Martinez, B.M. “Utility of Geophsyical Methods for Real-Time Monitoring Bio-Mediate Ground Improvement Processes” Chapman Conference on Biogeophysics, October 15, 2008.
  2. Barkouki, T., Martinez, B., Mortensen, B., Weathers, T., DeJong, J.T., Spycher, N., Ginn, T., Fujita, Y., and Smith, R. “Forward and Inverse Bio-geochemical Modeling of Microbially Induced Precipitation in 0.5m Column Experiments” American Geophysical Union, December 2009.
  3. DeJong, J.T. “Seismic and Resistivity Measurements for Real-Time Monitoring of Bio-Mediated Soil Improvement” American Geophysical Union, December 2011.
  4. DeJong, J.T., Martinez, B.C., Ginn, T.R., Nelson, D., Hunt, C., Tanyu, B., Major, D. “Optimization of Microbial Induced Calcite Precipitation Treatments in 1-D Columns & Scaled Repeated Five-Spot Treatment Models: Numerical & Experimental Results”, Interpore Conference, Purdue University, May 2012.
  5. DeJong, J.T. “Geophysical Measurements for Real-time Monitoring of Biogeochemical Processes for Improvement of Soil Engineering Properties and Subsurface Environmental Conditions”, American Geophysical Union, San Francisco, CA, December 2013.

Curated Datasets

  1. Dong Soon Park, Bruce Kutter, Jason DeJong (2013). Stability of Sensitive Clay Slopes. Network for Earthquake Engineering Simulation (distributor), Dataset. DOI: 10.4231/D3MC8RG3C
  2. Brina Montoya, Jason DeJong, Ross Boulanger (2013). “MICP-07 Untreated Loose Sand”, Network for Earthquake Engineering Simulation (database), Dataset, DOI:10.4231/D3HM52J97
  3. Ana Maria Parra Bastidas; Ross W Boulanger; Trevor J Carey, Jason DeJong (2016), “Ottawa F-65 Sand Data from Ana Maria Parra Bastidas”. NEEShub. http://dx.doi.org/10.17603/DS2MW2R

Conference Proceedings

  1. Mayne, P.W., Rathje, E., DeJong, J., Rechenmacher, A., Yamamuro, J., Sharma, S., and Willson, C. Site Characterization and Modeling, American Society of Civil Engineers Geotechnical Special Publication 138, Geo-Frontiers 2005 Austin Conference, 2005.
  2. DeGroot, D., DeJong, J.T., Frost, J.D., and Baise, L. Proceedings of Geotechnical Engineering in the Information Technology Age Conference, GeoCongress Atlanta 2006, February 26 – March 1, 2006.

Reports

  1. Mayne, P.W., Christopher, B.R., and DeJong, J.T. Manual on Subsurface Investigations. FHWA Publication No. FHWA-NHI-01-031, 2002, 394 pgs.
  2. Westgate, Z.J. and DeJong, J.T. Geotechnical Considerations for Offshore Wind Turbines Report. MTC OTC Project, 2005, 130 pgs.
  3. DeJong, J., Mortensen, B., and Martinez, B. Bio-Soils Interdisciplinary Science and Engineering Initiative, NSF Final Report for Grant #CMS-0628782, 2008, 85 pgs.
  4. Wair, B.R., DeJong, J.T. and Shantz, T., Guidelines for Estimating Vs Based on In-Situ Tests, PEER Report 2012/08, 2012, 69 pgs.
  5. DeJong, J.T., Thurairajah, A., Wilson, D., and Ghafghazi, M. Reusable Instrumented Test Pile for Improved Pile Design in Granular Soils. Caltrans Report No. CA13-1233, 2013, 282 pgs.

Book Chapters

  1. Mayne, P.W., Christopher, B.S., and DeJong, J. (2008). Chapter 9: “Ground Properties” in Geology for Civil Engineers, Thomas Telford Publishing, London, 222-251.

Patents

  1. Frost, J.D. and DeJong, J.T. “Multi-Sleeve Cone Penetrometer Attachment” U.S. Patent No. 6701771 (awarded March 9, 2004).
  2. Frost, J.D., Hebeler, G.L., and DeJong, J.T. “Apparatus and Method for Determining In Situ Pore Fluid and Soil Properties Using Multi-Sensor Measurement Systems”, U.S. Patent No. 7,201,060 B2 (awarded April 10, 2007).

Short Courses

  1. “Soil Engineering In-vivo: Harnessing Natural Biogeochemical Systems for Sustainable Multi-Functional Solutions”, Master Class,Institute for Advanced Studies, University of Western Australia, April 22, 2010.
  2. “Geotechnical Site Characterization: Integrated In Situ Testing, Drilling & Sampling, & Laboratory Testing”, GeoCongress 2013, March 3, 2013.
  3. “Geotechnical Site Characterization: Integrated In Situ Testing, Drilling & Sampling, & Laboratory Testing”, GeoCongress 2014, March 23, 2014.

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