Below is a list of UCD publications on the following biogeotechnics topics:


  • DeJong, J.T. “Sustainable Biogeotechnics”, ASCE Geo-Institute Geo-strata, October 2015, pp. 24- 32.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • DeJong, J., Mortensen, B., and Martinez, B. Bio-Soils Interdisciplinary Science and Engineering Initiative, NSF Final Report for Grant #CMS-0628782, 2008, 85 pgs.


  • 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.
  • 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.
  • 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.
  • 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.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.
  • 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.
  • Montoya, B.M. and DeJong, J.T. “Healing of biologically induced cemented sands”, Geotechnique Letters, 2013, Vol. 3, pp. 147-151.
  • 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
  • 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
  • Brina Montoya, Jason DeJong, Ross Boulanger (2013). “MICP-07 Untreated Loose Sand”, Network for Earthquake Engineering Simulation (database), Curated Dataset, DOI:10.4231/D3HM52J97
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.


  • 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.
  • 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.
  • 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.


  • 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.


  • 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.




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